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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem’s R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantiti

High purity 1-Hydroxyethane-1,1-diphosphonic Acid TOP1 supplier in China

Cas:2809-21-4

Min.Order:100 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance Colorless or pale yellow transparent liquid Colorless transparent liquid Active c

Top purity 1-Hydroxyethylidene-1,1-diphosphonic acid with high quality and best price cas:2809-21-4

Cas:2809-21-4

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Manufacturers

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 1-hydroxyethylidene-1,1-diphosphonic acid hedp supplier in China

Cas:2809-21-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product Name

1-Hydroxyethylidene-1,1-diphosphonic acid

Cas:2809-21-4

Min.Order:1 Kilogram

FOB Price: $20.0 / 30.0

Type:Lab/Research institutions

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Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP) CAS NO.2809-21-4

Cas:2809-21-4

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Manufacturers

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Hefei TNJ chemical industry co.,ltd

HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds.It can dissolve the oxidized materials on these metals’ surfaces. HEDP shows excellent scale and corrosion inhibi

CAS 2809-21-4 HEDP 60% 90%

Cas:2809-21-4

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

T he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service Appearance:White

1-Hydroxyethylidene-1,1-diphosphonic acid

Cas:2809-21-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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EAST CHEMSOURCES LIMITED

HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds.It can dissolve the oxidized materials on these metals’ surfaces.HEDP shows excellent scale and corrosion inhibit

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid

Cas:2809-21-4

Min.Order:1 Metric Ton

FOB Price: $900.0

Type:Manufacturers

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply Etidronic acid

Cas:2809-21-4

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Large Stock 99.0% 1-Hydroxyethylidene-1,1-diphosphonic acid 2809-21-4 Producer

Cas:2809-21-4

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality 1-Hydroxyethylidene-1,1-diphosphonic acid

Cas:2809-21-4

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

1-Hydroxyethane-1,1-diphosphonic Acid

Cas:2809-21-4

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Shanxi Zorui Biotechnology Co.Ltd.

Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ

Industrial Grade 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid / HEDP CAS 2809-21-4

Cas:2809-21-4

Min.Order:1 Kilogram

Negotiable

Type:Other

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Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

1-Hydroxyethylidene-1,1-bis-(phosphonic acid)

Cas:2809-21-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Leader Biochemical Group

About Product Details Item Specification Test Results Appearance White crystalline powder Conform

China Biggest factory Supply High Quality HEDP CAS 2809-21-4

Cas:2809-21-4

Min.Order:1 Kilogram

FOB Price: $1.0 / 5.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

1-Hydroxyethylidene-1,1-diphosphonic acid Basic information Product Name: 1-Hydroxyethylidene-1,1-diphosphonic acid Synonyms: (1-hydroxyethylene)diphosphonicacid;(1-hydroxyethylidene)bis

TIANFU-CHEM CAS:2809-21-4 1-Hydroxyethylidene-1,1-diphosphonic acid

Cas:2809-21-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufactu

HEDP CAS 2809-21-4 Etidronic Acid

Cas:2809-21-4

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Top Purity CAS 2809-21-4 with fast shipping

Cas:2809-21-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd

1-Hydroxyethylidene-1,1-diphosphonic acidCAS2809-21-4

Cas:2809-21-4

Min.Order:1 Kilogram

FOB Price: $10.0 / 20.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

1-Hydroxyethylidene-1,1-diphosphonic acid

Cas:2809-21-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Chemical Name:HEDP 90% powder Synonyms: 1-Hydroxyethylidene-1,1-diphosphonic acid CAS No.: 2809-21-4 Molecular Fomula:C2H8O7P2 Chemical Structure: Molecular weight: M=206.03 EINECS No.:220-552-8 Appearance:White crystal Appearance

1-Hydroxyethylidene-1,1-diphosphonic acid CAS: 2809-21-4

Cas:2809-21-4

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China and Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED intermediat

1-Hydroxyethane-1,1-diphosphonic AcidCAS NO.: 2809-21-4

Cas:2809-21-4

Min.Order:1 Kilogram

FOB Price: $4.0 / 5.0

Type:Lab/Research institutions

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

1-Hydroxyethane-1,1-diphosphonic Acid 2809-21-4

Cas:2809-21-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present

1-Hydroxyethylidene-1,1-diphosphonic acid with CAS: 2809-21-4

Cas:2809-21-4

Min.Order:1 Kilogram

FOB Price: $24.0 / 38.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

1-Hydroxyethylidene-1,1-diphosphonic acid CAS: 2809-21-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high

1-Hydroxyethylidene-1,1-diphosphonic acid CAS: 2809-21-4

Cas:2809-21-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

1-Hydroxyethane-1,1-diphosphonic Acid

Cas:2809-21-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Lonwin Chemical Group Limited

1-hydroxyethylidene-1,1-diphosphonic acid hedp CAS:2809-21-4 Specification Items Index Appearance Clear, Colorless to pale yellow aqueous solution White crystal powder Active content (HEDP)% 6

Factory supply 1-hydroxyethylidene-1,1-diphosphonic acid hedp

Cas:2809-21-4

Min.Order:1 Kilogram

Negotiable

Type:Other

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Shanghai Terui OP New Material Technology Co., Ltd.

We have overseas warehouses in California, New Laredo Mexico, Vancouver Canada, Amsterdam Netherlands, and Melbourne Australia. Overseas warehouses can provide some of the best-selling products. We look forward to the cooperation of local powerful

1-Hydroxyethylidene-1,1-diphosphonic acid CAS 2809-21-4

Cas:2809-21-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Hebei Miheng Trading Co., Ltd.

1-Hydroxyethylidene-1,1-diphosphonic acid cas 2809-21-4 Our advantage 1.Top quality: Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw materia

1-Hydroxyethylidene-1,1-diphosphonic acid cas 2809-21-4

Cas:2809-21-4

Min.Order:1 Kilogram

FOB Price: $10.0 / 50.0

Type:Trading Company

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:Colorless transparent liquid or in white powder Storage:Room temperature Package:25kg/bag, 250kg/Barrel Application:Industrial water treatment, household cleaning products and personal care products Transportation:Express/Sea/Air Port:Any

(HEDP 60% 99%) Top Purity Hydroxyethylidene-diphosphonic acid

Cas:2809-21-4

Min.Order:250 Kilogram

FOB Price: $1.3 / 16.0

Type:Lab/Research institutions

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Synthetic route

(1-hydroxyethylidene)bisphosphonic acid tetramethyl ester
15207-88-2

(1-hydroxyethylidene)bisphosphonic acid tetramethyl ester

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

Conditions
ConditionsYield
With hydrogenchloride100%
acetyl chloride
75-36-5

acetyl chloride

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

Conditions
ConditionsYield
Stage #1: acetyl chloride With tris(trimethylsilyl) phosphite at 25℃;
Stage #2: In methanol at 25℃; for 1h;
98%
With phosphonic Acid at 120℃;
Stage #1: acetyl chloride With tris(trimethylsilyl) phosphite Cooling with liquid nitrogen;
Stage #2: With methanol for 4h;
acetic acid
64-19-7

acetic acid

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

Conditions
ConditionsYield
With (1-acetyloxyethylidene)-1,1-bisphosphonic acid In water at 75 - 110℃; for 5h;97%
With phosphonic Acid; phosphorus trichloride In chlorobenzene at 100℃; for 3h; Inert atmosphere;87%
With P4O6 heating, other monocarboxylic acids;
phosphorus(III) oxide
12440-00-5

phosphorus(III) oxide

acetic acid
64-19-7

acetic acid

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

Conditions
ConditionsYield
With water at 150℃; under 15001.5 Torr; Concentration; Temperature; Pressure;97%
C17H48O7P2Si5

C17H48O7P2Si5

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

Conditions
ConditionsYield
With methanol for 1h;90%
1-acetoxy-4-methylbenzene
140-39-6

1-acetoxy-4-methylbenzene

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

Conditions
ConditionsYield
With hydrogenchloride; P4O6; boron trifluoride 1.) 20 deg C to 25 deg C, 20 h, 2.) 10 h;68%
1-pentyl acetate
628-63-7

1-pentyl acetate

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

Conditions
ConditionsYield
With phosphonic Acid; phosphorus trichloride In sulfolane; water 1.) 40 deg C to 60 deg C, 1 h 30 min, 2.) 108 deg C to 113 deg C, 6 h;39%
acetamide
60-35-5

acetamide

ethyl 2-oxocyclohexane carboxylate
1655-07-8

ethyl 2-oxocyclohexane carboxylate

A

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

B

2-amino-2-phosphonocyclohexanecarboxylic acid
102402-46-0

2-amino-2-phosphonocyclohexanecarboxylic acid

C

ammonium 1-aminoethane-1,1-diphosphonate
124589-58-8

ammonium 1-aminoethane-1,1-diphosphonate

D

α-amino cyclohexylphosphonic acid
67398-11-2

α-amino cyclohexylphosphonic acid

Conditions
ConditionsYield
Stage #1: acetamide With acetyl chloride In acetic acid for 0.25h; Cooling with ice;
Stage #2: ethyl 2-oxocyclohexane carboxylate In acetic acid at 20℃; Cooling with ice; Further stages;
A 4 %Spectr.
B 30%
C 21 %Spectr.
D 18%
1-pentyl acetate
628-63-7

1-pentyl acetate

A

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

B

(Pentyloxy-phosphono-methyl)-phosphonic acid
104392-46-3

(Pentyloxy-phosphono-methyl)-phosphonic acid

Conditions
ConditionsYield
With hydrogenchloride; P4O6; boron trifluoride 1.) 50 deg C, 4 h, 2.) 6 h;A 22%
B 13%
acetamide
60-35-5

acetamide

methyl 2-oxocyclopentane-1-carboxylate
10472-24-9

methyl 2-oxocyclopentane-1-carboxylate

A

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

B

ammonium 1-aminoethane-1,1-diphosphonate
124589-58-8

ammonium 1-aminoethane-1,1-diphosphonate

C

α-amino cyclopentylphosphonic acid
67550-64-5

α-amino cyclopentylphosphonic acid

D

2-Amino-2-phosphono-cyclopentanecarboxylic acid
81746-49-8

2-Amino-2-phosphono-cyclopentanecarboxylic acid

Conditions
ConditionsYield
Stage #1: acetamide With acetyl chloride In acetic acid for 0.25h; Cooling with ice;
Stage #2: methyl 2-oxocyclopentane-1-carboxylate With phosphorus trichloride In acetic acid at 20℃; Cooling with ice; Further stages;
A 4%
B 20%
C 3 %Spectr.
D 64 %Spectr.
(1-Hydroxyethylidene)-1,1-bisphosphonic acid tetraethyl ester
20427-93-4

(1-Hydroxyethylidene)-1,1-bisphosphonic acid tetraethyl ester

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

Conditions
ConditionsYield
Stage #1: (1-Hydroxyethylidene)-1,1-bisphosphonic acid tetraethyl ester With trimethylsilyl bromide at 0℃; for 1h;
Stage #2: With methanol at 0℃;
tetrakis(O-trimethylsilyl)hydroxyethylidenediphosphonic acid
1392687-52-3

tetrakis(O-trimethylsilyl)hydroxyethylidenediphosphonic acid

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

Conditions
ConditionsYield
With ethanol for 0.5h;
formaldehyd
50-00-0

formaldehyd

acetic acid
64-19-7

acetic acid

A

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

B

hydroxymethylphosphonic acid
2617-47-2

hydroxymethylphosphonic acid

Conditions
ConditionsYield
Stage #1: formaldehyd; acetic acid at 115℃; for 2h;
Stage #2: With phosphorus trichloride at 20℃; for 6h; Reflux;
Stage #3: With water for 2.5h; Reflux;
C2H4Cl4O3P2

C2H4Cl4O3P2

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

Conditions
ConditionsYield
With water for 2.5h; Reflux;
(1-acetoxyethane-1,1-diyl)bis(phosphonic acid)
7316-54-3

(1-acetoxyethane-1,1-diyl)bis(phosphonic acid)

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

Conditions
ConditionsYield
With ethanol at 20 - 125℃; for 1h; Temperature;
1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

2',3'-isopropylidene adenosine
362-75-4

2',3'-isopropylidene adenosine

2',3'-O-isopropylidenadenosine salt of (1-hydroxyethane-1,1-diyl)bis(phosphonic) acid

2',3'-O-isopropylidenadenosine salt of (1-hydroxyethane-1,1-diyl)bis(phosphonic) acid

Conditions
ConditionsYield
In water99%
ruthenium trichloride hydrate

ruthenium trichloride hydrate

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

1,4-diaminobutane
110-60-1

1,4-diaminobutane

[NH3(CH2)4NH3][Ru2(1-hydroxyethylidenephosphonateH0.5)2]*2H2O

[NH3(CH2)4NH3][Ru2(1-hydroxyethylidenephosphonateH0.5)2]*2H2O

Conditions
ConditionsYield
In water hydrothermal treatment of a mixt. of RuCl3*xH2O, diphosphonic-compound and H2O, adjusted by NH2(CH2)4NH2 to pH - 2.85 at 140°C for 6 days; elem. anal.;98%
triethanolamine
102-71-6

triethanolamine

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

cobalt(II) nitrate

cobalt(II) nitrate

Co(2+)*HN(C2H4OH)3(1+)*5H(1+)*2CH3C(OH)(PO3)2(4-)*7H2O = [HN(C2H4OH)3][Co(H2O)2H5(CH3C(OH)(PO3)2)2]*5H2O

Co(2+)*HN(C2H4OH)3(1+)*5H(1+)*2CH3C(OH)(PO3)2(4-)*7H2O = [HN(C2H4OH)3][Co(H2O)2H5(CH3C(OH)(PO3)2)2]*5H2O

Conditions
ConditionsYield
With glacial acetic acid In water several d; decantation, washing (aq. HOAc), filtration, drying in air at room temp.; elem. anal.;98%
In water slow evapn., filtration, drying in air at room temp.; elem. anal.;93%
triethanolamine
102-71-6

triethanolamine

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

nickel(II) nitrate

nickel(II) nitrate

Ni(2+)*HN(C2H4OH)3(1+)*5H(1+)*2CH3C(OH)(PO3)2(4-)*7H2O = [HN(C2H4OH)3][Ni(H2O)2H5(CH3C(OH)(PO3)2)2]*5H2O

Ni(2+)*HN(C2H4OH)3(1+)*5H(1+)*2CH3C(OH)(PO3)2(4-)*7H2O = [HN(C2H4OH)3][Ni(H2O)2H5(CH3C(OH)(PO3)2)2]*5H2O

Conditions
ConditionsYield
In water slow evapn., filtration, drying in air at room temp.; elem. anal.;97%
With glacial acetic acid In water several d; decantation, washing (aq. HOAc), filtration, drying in air at room temp.; elem. anal.;97%
1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

C52H76N4O8
134868-25-0

C52H76N4O8

C52H76N4O8*4C2H8O7P2

C52H76N4O8*4C2H8O7P2

Conditions
ConditionsYield
In water for 12h;97%
1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

C68H108N4O8

C68H108N4O8

C68H108N4O8*4C2H8O7P2

C68H108N4O8*4C2H8O7P2

Conditions
ConditionsYield
In water for 12h;97%
1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

barium dihydrogen 1-hydroxyethane-1,1-diphosphonate dihydrate

barium dihydrogen 1-hydroxyethane-1,1-diphosphonate dihydrate

Conditions
ConditionsYield
With barium(II) chloride In potassium hydroxide for 120h;96%
zinc(II) nitrate
10196-18-6

zinc(II) nitrate

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

Zn2(PO3)2C(OH)CH3*5H2O

Zn2(PO3)2C(OH)CH3*5H2O

Conditions
ConditionsYield
With sodium hydroxide In water components mixing (molar ratio Zn:org. acid=1:2), aq. NaOH addn. (molar ratio NaOH:org. acid=3.5-4.5), mixt. stirring continuously for 14 d, pptn.; ppt. thoroughly pressing free from mother liquor, washing (alcohol), drying at room temp.; elem. anal.; thermogravimetric anal.;96%
terbium(III) chloride hexahydrate

terbium(III) chloride hexahydrate

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

[Tb(etidronic acid(-3H))(H2O)]*3H2O

[Tb(etidronic acid(-3H))(H2O)]*3H2O

Conditions
ConditionsYield
With GeO2 In water High Pressure; stirred at ambient temp., heated at 150°C; washed (H2O), filtered, air-dried at room temp.; elem. anal.;96%
1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

C56H84N4O8
683207-66-1

C56H84N4O8

C56H84N4O8*4C2H8O7P2

C56H84N4O8*4C2H8O7P2

Conditions
ConditionsYield
In water for 12h;96%
1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

4,6,10,12,16,18,22,24-octahydroxy-5,11,17,19-tetrakis(dimethylaminomethyl)-2,8,14,20-tetramethylpentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene
134887-74-4

4,6,10,12,16,18,22,24-octahydroxy-5,11,17,19-tetrakis(dimethylaminomethyl)-2,8,14,20-tetramethylpentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene

C44H60N4O8*4C2H8O7P2

C44H60N4O8*4C2H8O7P2

Conditions
ConditionsYield
In water for 12h;96%
1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

calcium hydroxide

calcium hydroxide

(dimethylammonium)2[Ca(1-hydroxyethylidene-1,1-diphosphonic acid-2H)2]

(dimethylammonium)2[Ca(1-hydroxyethylidene-1,1-diphosphonic acid-2H)2]

Conditions
ConditionsYield
In ethanol; water at 160℃; for 72h; pH=3.01; High pressure;93.7%
1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

polyhexamethyleneguanidinium hydrochloride

polyhexamethyleneguanidinium hydrochloride

polyhexamethyleneguanidinium 1-hydroxyethylidenediphosphonate, product from metacide and xydiphone (feed ratio 1:5.0)

polyhexamethyleneguanidinium 1-hydroxyethylidenediphosphonate, product from metacide and xydiphone (feed ratio 1:5.0)

Conditions
ConditionsYield
In various solvent(s)92%
1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

erbium(III) chloride hexahydrate

erbium(III) chloride hexahydrate

water
7732-18-5

water

[Er8(H2O)4(etidronic acid(-4H))6]n

[Er8(H2O)4(etidronic acid(-4H))6]n

Conditions
ConditionsYield
at 150 - 230℃; for 72h; pH=1-2;92%
yttrium(III) chloride hexahydrate

yttrium(III) chloride hexahydrate

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

[Y(etidronic acid(-3H))(H2O)]*3H2O

[Y(etidronic acid(-3H))(H2O)]*3H2O

Conditions
ConditionsYield
With GeO2 In water High Pressure; stirred for 0.5 h at ambient temp., heated at 150°C for 3 d; washed (H2O), filtered, air-dried at room temp.; elem. anal.;91%
1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

polyhexamethyleneguanidinium hydrochloride

polyhexamethyleneguanidinium hydrochloride

polyhexamethyleneguanidinium 1-hydroxyethylidenediphosphonate, product from metacide and xydiphone (feed ratio 1:4.0)

polyhexamethyleneguanidinium 1-hydroxyethylidenediphosphonate, product from metacide and xydiphone (feed ratio 1:4.0)

Conditions
ConditionsYield
In various solvent(s)89%
cobalt(II) chloride hexahydrate

cobalt(II) chloride hexahydrate

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

1,4-diaminobutane
110-60-1

1,4-diaminobutane

[NH3(CH2)4NH3]Co2(hedpH)2*2H2O

[NH3(CH2)4NH3]Co2(hedpH)2*2H2O

Conditions
ConditionsYield
In water High Pressure; mixt. CoCl2*6H2O, 50% hedpH4, and H2O adjusted with 1,4-butylenediamine to pH 4.83 was treated hydrothermally at 140°C for 45 h; elem. anal.;89%
1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

urea
57-13-6

urea

C2H8O7P2*2CH4N2O

C2H8O7P2*2CH4N2O

Conditions
ConditionsYield
In water at 90℃; for 2h;89%
1,6-Hexanediamine
124-09-4

1,6-Hexanediamine

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

guanidine hydrogen carbonate
124-46-9, 20734-13-8, 100224-74-6, 593-85-1

guanidine hydrogen carbonate

C141H305N63*21C2H8O7P2

C141H305N63*21C2H8O7P2

Conditions
ConditionsYield
Stage #1: 1,6-Hexanediamine; guanidine hydrogen carbonate In 1,3,5-trimethyl-benzene at 165℃; for 8h;
Stage #2: 1-hydroxyethylene-(1,1-diphosphonic acid)
88%
ytterbium(III) chloride hexahydrate

ytterbium(III) chloride hexahydrate

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

[Yb(etidronic acid(-3H))]*H2O

[Yb(etidronic acid(-3H))]*H2O

Conditions
ConditionsYield
In water High Pressure; stirred at ambient temp. for 0.5 h, heated at 150°C for 3 d; washed (H2O), filtered, air-dried at room temp.; elem. anal.;88%
Allyl glycidyl ether
106-92-3

Allyl glycidyl ether

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

C8H14O9P2(4-)*4Na(1+)

C8H14O9P2(4-)*4Na(1+)

Conditions
ConditionsYield
With sodium hydroxide In water at 80 - 95℃;88%
1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

ammonium molybdate tetrahydrate

ammonium molybdate tetrahydrate

ammonia
7664-41-7

ammonia

hexaammonium bis(1-oxyethylidenediphosphonate)dioxomolybdenum tetrahydrate

hexaammonium bis(1-oxyethylidenediphosphonate)dioxomolybdenum tetrahydrate

Conditions
ConditionsYield
In water at 20℃; for 48h; pH=8 - 9;88%
manganese(II) chloride tetrahydrate

manganese(II) chloride tetrahydrate

1,5-diaminopentane
462-94-2

1,5-diaminopentane

1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

[NH3(CH2)5NH3][Mn2(hedpH)2]*2H2O

[NH3(CH2)5NH3][Mn2(hedpH)2]*2H2O

Conditions
ConditionsYield
With NaF In water mixt. MnCl2*4H2O, hedpH4, NaF, and water was adjusted to pH 4 with 1,5-diaminopentane and kept in autoclave at 110°C for 2 d; react. mixt. was cooled to room temp.; elem. anal.;87%
1-hydroxyethylene-(1,1-diphosphonic acid)
2809-21-4

1-hydroxyethylene-(1,1-diphosphonic acid)

1,1,1,3,3,3-hexamethyl-disilazane
999-97-3

1,1,1,3,3,3-hexamethyl-disilazane

tetrakis(O-trimethylsilyl)hydroxyethylidenediphosphonic acid
1392687-52-3

tetrakis(O-trimethylsilyl)hydroxyethylidenediphosphonic acid

Conditions
ConditionsYield
at 25 - 140℃;87%

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