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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

1-Amino-8-naphthol-4,6-disulfonic acid

Cas:130-23-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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 4-amino-5-hydroxynaphthalene-1,7-disulphonic acid

Cas:130-23-4

Min.Order:1

Negotiable

Type:Other

inquiry

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

4-Amino-5-hydroxy-1,7-naphthalenedisulfonic acid

Cas:130-23-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

GIHI CHEMICALS CO.,LIMITED

GIHI CHEMICALS exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, GIHI CHEMICALS is your best choice. pls contact with us freely for getting detailed prod

N,N-methylenebis N'-1-(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl urea

Cas:130-23-4

Min.Order:1 Gram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company

TIANFU-CHEM -1-Amino-8-naphthol-4,6-disulfonic acid

Cas:130-23-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

1-Amino-8-naphthol-4,6-disulfonic acid CAS:130-23-4

Cas:130-23-4

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

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-Amino-8-naphthol-4,6-disulfonic acid 130-23-4

Cas:130-23-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Leader Biochemical Group

About Product Details Items Specifications Test Results Appearance White to white crystalline powde

China Biggest factory Supply High Quality 1-amino-8-naphtho-4,6-Disulfonic acid CAS 130-23-4

Cas:130-23-4

Min.Order:50 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

N,N-methylenebis N'-1-(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl urea CAS:130-23-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical inte

N,N-methylenebis N'-1-(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl urea CAS:130-23-4

Cas:130-23-4

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-Amino-8-naphthol-4,6-disulfonic acid

Cas:130-23-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

1-Amino-8-naphthol-4,6-disulfonic acid

Cas:130-23-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

N,N-methylenebis N'-1-(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl urea

Cas:130-23-4

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

1-Amino-8-naphthol-4,6-disulfonic acid

Cas:130-23-4

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM 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. J&H CHEM has some Manufacturing base in Jia

1-Amino-8-naphthol-4,6-disulfonic acid

Cas:130-23-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

1-Amino-8-naphthol-4,6-disulfonic acid

Cas:130-23-4

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

N,N-methylenebis N'-1-(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl urea

Cas:130-23-4

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

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-Amino-8-naphthol-4,6-disulfonic acid

Cas:130-23-4

Min.Order:1 Kilogram

FOB Price: $98.0 / 102.0

Type:Trading Company

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

N,N-methylenebis N'-1-(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl urea

Cas:130-23-4

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

1-Amino-8-naphthol-4,6-disulfonic acid

Cas:130-23-4

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

N,N-methylenebis N'-1-(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl urea

Cas:130-23-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

N,N-methylenebis N'-1-(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl urea

Cas:130-23-4

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

4-amino-5-hydroxynaphthalene-1,7-disulfonic acid

Cas:130-23-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

N,N-methylenebis N'-1-(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl urea

Cas:130-23-4

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

4-amino-5-hydroxynaphthalene-1,7-disulfonic acid

Cas:130-23-4

Min.Order:0

Negotiable

Type:Other

inquiry

DB BIOTECH CO., LTD

Q1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you

1-Amino-8-naphthol-4,6-disulfonic acid

Cas:130-23-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

1-Amino-8-naphthol-4,6-disulfonic acid

Cas:130-23-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

4-amino-5-hydroxynaphthalene-1,7-disulfonic acid

Cas:130-23-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xi`an Eastling Biotech Co., Ltd.

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou

1-Amino-8-naphthol-4,6-disulfonic acid

Cas:130-23-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

1-Amino-8-naphthol-4,6-disulfonic acid

Cas:130-23-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Best quality with low priceAppearance:light brown powder Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

1-Amino-8-naphthol-4,6-disulfonic acid

Cas:130-23-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

8-amino-naphthalene-1,3,5-trisulfonic acid
17894-99-4

8-amino-naphthalene-1,3,5-trisulfonic acid

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

Conditions
ConditionsYield
at 170 - 175℃; unter Druck;
8-amino-naphthalene-1,3,5-trisulfonic acid
17894-99-4

8-amino-naphthalene-1,3,5-trisulfonic acid

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

Conditions
ConditionsYield
With alkali hydroxide at 150 - 220℃;
4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid
90-20-0

4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

3-nitrocinnamoyl chloride
141236-48-8, 35418-05-4

3-nitrocinnamoyl chloride

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

N,N'-bis-{3-[2-(8-hydroxy-4,6-disulfo-[1]naphthylcarbamoyl)-vinyl]-phenyl}-urea

N,N'-bis-{3-[2-(8-hydroxy-4,6-disulfo-[1]naphthylcarbamoyl)-vinyl]-phenyl}-urea

Conditions
ConditionsYield
Reduktion und Behandlung des Reaktionsprodukts mit Phosgen bei Gegenwart von Natriumacetat in waessr. Loesung;
p-nitrobenzenediazonium
14368-49-1

p-nitrobenzenediazonium

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

3,4-diamino-5-hydroxy-naphthalene-1,7-disulfonic acid

3,4-diamino-5-hydroxy-naphthalene-1,7-disulfonic acid

Conditions
ConditionsYield
With acid Reduktion des Farbstoffs mit Zinn oder Zinn(II)-chlorid in Salzsaeure;
Diphenyl-4,4'-bis-diazonium
5957-03-9

Diphenyl-4,4'-bis-diazonium

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

4,4'-diamino-5,5'-dihydroxy-6,6'-biphenyl-4,4'-diyl-bis-azo-bis-naphthalene-1,7-disulfonic acid
123726-98-7

4,4'-diamino-5,5'-dihydroxy-6,6'-biphenyl-4,4'-diyl-bis-azo-bis-naphthalene-1,7-disulfonic acid

Conditions
ConditionsYield
With sodium carbonate
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

4-nitrobenzenediazonium chloride
100-05-0

4-nitrobenzenediazonium chloride

3,4,6-triamino-5-hydroxy-naphthalene-1,7-disulfonic acid

3,4,6-triamino-5-hydroxy-naphthalene-1,7-disulfonic acid

Conditions
ConditionsYield
nachf. Kuppeln mit Benzoldiazoniumchlorid in saurer und alkal. Loesung und Reduktion des entst. Bisazofarbstoffs mit Zinn(II)-chlorid und konz. Salzsaeure;
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

4-nitrobenzenediazonium chloride
100-05-0

4-nitrobenzenediazonium chloride

4-amino-8-(4-amino-phenylazo)-5-hydroxy-naphthalene-1,7-disulfonic acid

4-amino-8-(4-amino-phenylazo)-5-hydroxy-naphthalene-1,7-disulfonic acid

Conditions
ConditionsYield
With acid und Reduzieren des Reaktionsprodukts mit Natriumsulfid;
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

5-amino-2,3,6,8-tetrabromo-[1,4]naphthoquinone

5-amino-2,3,6,8-tetrabromo-[1,4]naphthoquinone

Conditions
ConditionsYield
With sulfuric acid; bromine; acetic acid
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

4-chloro-5-hydroxy-naphthalene-1,7-disulfonic acid

4-chloro-5-hydroxy-naphthalene-1,7-disulfonic acid

Conditions
ConditionsYield
durch Austausch von NH2 gegen Cl nach dem Sandmeyerschen Verfahren;
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

8-hydroxy-4,6-disulfo-naphthalene-1-diazonium-betaine

8-hydroxy-4,6-disulfo-naphthalene-1-diazonium-betaine

Conditions
ConditionsYield
Diazotization;
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

benzoyl chloride
98-88-4

benzoyl chloride

4-benzoylamino-5-benzoyloxy-naphthalene-1,7-disulfonic acid

4-benzoylamino-5-benzoyloxy-naphthalene-1,7-disulfonic acid

Conditions
ConditionsYield
With alkali
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

4-nitro-benzoyl chloride
122-04-3

4-nitro-benzoyl chloride

5,5'-dihydroxy-4,4'-(4,4'-ureylene-bis-benzoylamino)-bis-naphthalene-1,7-disulfonic acid

5,5'-dihydroxy-4,4'-(4,4'-ureylene-bis-benzoylamino)-bis-naphthalene-1,7-disulfonic acid

Conditions
ConditionsYield
Reduktion und Behandlung des Reaktionsprodukts mit Phosgen bei Gegenwart von Natriumacetat in waessr. Loesung;
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

sodium hydrogensulfite

sodium hydrogensulfite

phenylhydrazine
100-63-0

phenylhydrazine

5-hydroxy-4-phenylazo-naphthalene-1,7-disulfonic acid

5-hydroxy-4-phenylazo-naphthalene-1,7-disulfonic acid

Conditions
ConditionsYield
nachf. Verseifen mit Alkalien unter Durchleiten von Luft;
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

disulfite

disulfite

4,5-dihydroxy-naphthalene-1,7-disulfonic acid
23894-06-6

4,5-dihydroxy-naphthalene-1,7-disulfonic acid

Conditions
ConditionsYield
With water
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

diazotized 2-methyl-4-ethyl-aniline

diazotized 2-methyl-4-ethyl-aniline

3-(4-ethyl-2-methyl-phenylazo)-5-amino-4-hydroxy-naphthalene-2,7-disulfonic acid

3-(4-ethyl-2-methyl-phenylazo)-5-amino-4-hydroxy-naphthalene-2,7-disulfonic acid

Conditions
ConditionsYield
With sodium carbonate
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

1-benzoylamino-8-hydroxynaphthalene-4,6-disulfonic acid
6361-49-5

1-benzoylamino-8-hydroxynaphthalene-4,6-disulfonic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: alkali
2: aqueous-alcoholic NaOH-solution
View Scheme
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

4,5-dihydroxy-naphthalene-2-sulfonic acid

4,5-dihydroxy-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: water
2: concentrated hydrochloric acid
View Scheme
1,5-disulphonaphthalene-2-diazonium chloride

1,5-disulphonaphthalene-2-diazonium chloride

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

C20H15N3O13S4

C20H15N3O13S4

diazo 4-sulfatoethylsulfone-1-aminobenzene

diazo 4-sulfatoethylsulfone-1-aminobenzene

C10H13N2O8S2(1+)*Cl(1-)

C10H13N2O8S2(1+)*Cl(1-)

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid
90-20-0

4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid

A

C18H17N3O12S4

C18H17N3O12S4

B

C18H17N3O12S4
131413-68-8

C18H17N3O12S4

C

C20H21N3O14S4

C20H21N3O14S4

D

C20H21N3O14S4

C20H21N3O14S4

Conditions
ConditionsYield
With sodium hydrogencarbonate at 25℃; pH=1 - 1.3;
1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

1-(4,6-dichloro-1,3,5-triazin-2-yl)-amino-8-hydroxynaphthalene-4,6-disulfonic acid

1-(4,6-dichloro-1,3,5-triazin-2-yl)-amino-8-hydroxynaphthalene-4,6-disulfonic acid

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

C27H21N3O16S5
853112-89-7

C27H21N3O16S5

Conditions
ConditionsYield
Stage #1: C17H15NO9S3 With hydrogenchloride; sodium carbonate; sodium nitrite In water at 0 - 5℃; pH=6.0 - 8.0;
Stage #2: 4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid In water at 10 - 20℃; for 4h; pH=2.4 - 2.8;
1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

dichlorotriazinylamino-8-naphtholdisulfonic acid

dichlorotriazinylamino-8-naphtholdisulfonic acid

ethanol
64-17-5

ethanol

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

4-nitro-2-sulfo-benzoic acid-anhydride
22952-27-8

4-nitro-2-sulfo-benzoic acid-anhydride

5-hydroxy-4-(4-nitro-2-sulfobenzamido)-1,7-naphthalenedisulfonic acid trisodium salt

5-hydroxy-4-(4-nitro-2-sulfobenzamido)-1,7-naphthalenedisulfonic acid trisodium salt

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide; sodium acetate; sodium acetate trihydrate In water
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

2-methyl-5-nitrobenzoyl chloride
64688-68-2

2-methyl-5-nitrobenzoyl chloride

5-hydroxy-4-(5-nitro-o-toluamido)-1,7-naphthalenedisulfonic acid, disodium salt

5-hydroxy-4-(5-nitro-o-toluamido)-1,7-naphthalenedisulfonic acid, disodium salt

Conditions
ConditionsYield
With sodium acetate trihydrate In water
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
130-23-4

4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid

methyl 5-nitro-3-chloroformylbenzoate
1955-04-0

methyl 5-nitro-3-chloroformylbenzoate

N-(8-hydroxy-4,6-disulfo-1-naphthyl)-5-nitroisophthalamic acid disodium salt

N-(8-hydroxy-4,6-disulfo-1-naphthyl)-5-nitroisophthalamic acid disodium salt

Conditions
ConditionsYield
With sodium acetate trihydrate In sodium hydroxide; water

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