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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

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

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 quan

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt

Cas:5460-09-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate

Cas:5460-09-3

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

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

Wholesale price CAS 5460-09-3 with best price

Cas:5460-09-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate

Cas:5460-09-3

Min.Order:1 Kilogram

FOB Price: $8.0 / 20.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Name: 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid Synonyms: monosodium salt monohydrate,H Acid CAS:5460-09-3 MF: C10H10NNaO8S2 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Applica

4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid

Cas:5460-09-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:Brilliant orange powder Storage:R.T Package:25kg/bag Application:Dye Intermediate Transportation:Express/Sea/Air Port:Any port in China

H acid monosodium salt cas 5460-09-3

Cas:5460-09-3

Min.Order:25 Kilogram

Negotiable

Type:Lab/Research institutions

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

2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-, sodium salt (1:1) 5460-09-3

Cas:5460-09-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Leader Biochemical Group

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

China Biggest Factory Manufacturer Supply 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate CAS 5460-09-3

Cas:5460-09-3

Min.Order:100 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate CAS:5460-09-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediat

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate CAS:5460-09-3

Cas:5460-09-3

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

2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-, sodium salt (1:1)

Cas:5460-09-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate

Cas:5460-09-3

Min.Order:1 Metric Ton

FOB Price: $30.0 / 80.0

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

2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-, sodium salt (1:1)

Cas:5460-09-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Price, service, company and transport advantage: 1.place of origin china with super quality by reasonable price. 2. it's customers' right to choose the package (ems, dhl, fedex, ups); 3. it's custo

BEST PRICE/H Acid

Cas:5460-09-3

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Triumph International Development Limilted

Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:As customer request Port:Qingda

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate 5460-09-3

Cas:5460-09-3

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

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

2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-, sodium salt (1:1)

Cas:5460-09-3

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

8-Amino-1-naphthol-3,6-disulfonic acid

Cas:5460-09-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediates Tr

2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-, sodium salt (1:1)

Cas:5460-09-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate

Cas:5460-09-3

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

High Purity 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate

Cas:5460-09-3

Min.Order:0

Negotiable

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

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt CAS NO.5460-09-3

Cas:5460-09-3

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

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate

Cas:5460-09-3

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

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt CAS NO.5460-09-3

Cas:5460-09-3

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

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt CAS NO.5460-09-3

Cas:5460-09-3

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

monosodium salt monohydrate (H Acid)

Cas:5460-09-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate

Cas:5460-09-3

Min.Order:1 Kilogram

Negotiable

Type:Other

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

8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt CAS NO.5460-09-3

Cas:5460-09-3

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hebei Mojin Biotechnology Co.,Ltd

We produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp

2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-, sodium salt (1:1)

Cas:5460-09-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

recorcinol
108-46-3

recorcinol

Na(1+)*C16H11N2O9S2(1-)
1638646-46-4

Na(1+)*C16H11N2O9S2(1-)

Conditions
ConditionsYield
With hydrogenchloride; sodium nitrite In water pH=8 - 10;62%
1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

3-tetradecanoyl-4-methylpiperazine
86137-74-8

3-tetradecanoyl-4-methylpiperazine

4-(myristoylamino)-5-hydroxy-2,7-naphthalene disulfonic acid monosodium salt

4-(myristoylamino)-5-hydroxy-2,7-naphthalene disulfonic acid monosodium salt

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 60 - 70℃; for 120h;60%
1,12-dodecanedioyl dichloride
4834-98-4

1,12-dodecanedioyl dichloride

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

4,4'-<1,10-decanediylbis(carbonylamino)>bis(5-hydroxy-2,7-naphthalenedisulfonic acid) disodium salt
130798-61-7

4,4'-<1,10-decanediylbis(carbonylamino)>bis(5-hydroxy-2,7-naphthalenedisulfonic acid) disodium salt

Conditions
ConditionsYield
With pyridine for 5h; Heating;53%
biphenyl-4,4'-disulfonyl chloride
3406-84-6

biphenyl-4,4'-disulfonyl chloride

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

4,4'-<4,4'-biphenyldiylbis(sulfonylamino)>bis(5-hydroxy-2,7-naphthalenedisulfonic acid) tetrasodium salt
130798-65-1

4,4'-<4,4'-biphenyldiylbis(sulfonylamino)>bis(5-hydroxy-2,7-naphthalenedisulfonic acid) tetrasodium salt

Conditions
ConditionsYield
With pyridine for 5h; Heating;53%
1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

n-hexadecanoyl chloride
112-67-4

n-hexadecanoyl chloride

4-(palmitoylamino)-5-hydroxy-2,7-naphthalene disulfonic acid monosodium salt
130798-63-9

4-(palmitoylamino)-5-hydroxy-2,7-naphthalene disulfonic acid monosodium salt

Conditions
ConditionsYield
With pyridine for 4h; Heating;51%
1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

3-stearoyl-2-mercaptothiazoline
65439-62-5

3-stearoyl-2-mercaptothiazoline

4-(stearoylamino)-5-hydroxy-2,7-naphthalene disulfonic acid monosodium salt

4-(stearoylamino)-5-hydroxy-2,7-naphthalene disulfonic acid monosodium salt

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 60 - 70℃; for 120h;30%
1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

1-(2-Thioxo-thiazolidin-3-yl)-hexadecan-1-one
74058-64-3

1-(2-Thioxo-thiazolidin-3-yl)-hexadecan-1-one

4-(palmitoylamino)-5-hydroxy-2,7-naphthalene disulfonic acid monosodium salt
130798-63-9

4-(palmitoylamino)-5-hydroxy-2,7-naphthalene disulfonic acid monosodium salt

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 60 - 70℃; for 120h;24%
Cholesteryl chloroformate
7144-08-3

Cholesteryl chloroformate

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

4-<<(3-cholesteryloxy)carbonyl>amino>-5-hydroxy-2,7-naphthalenedisulfonic acid

4-<<(3-cholesteryloxy)carbonyl>amino>-5-hydroxy-2,7-naphthalenedisulfonic acid

Conditions
ConditionsYield
With pyridine at 50 - 55℃; for 21h;22%
phthalic anhydride
85-44-9

phthalic anhydride

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

C18H13NO10S2

C18H13NO10S2

Conditions
ConditionsYield
With sodium hydroxide In water at 20 - 25℃; for 3h;
isatoic anhydride
118-48-9

isatoic anhydride

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

8-(2-aminobenzoyl)amino-1-hydroxynaphthalene-3,6-disulphonic acid

8-(2-aminobenzoyl)amino-1-hydroxynaphthalene-3,6-disulphonic acid

Conditions
ConditionsYield
With sodium carbonate In water at 20 - 30℃; for 12h;
1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

1-Methoxycarbonylmethyl-3,1-benzoxazin-2,4-dion
96222-36-5

1-Methoxycarbonylmethyl-3,1-benzoxazin-2,4-dion

C20H18N2O10S2

C20H18N2O10S2

Conditions
ConditionsYield
With sodium hydroxide In water at 20 - 25℃; for 3h;
3-tert-butylphtalic anhydride
40496-93-3

3-tert-butylphtalic anhydride

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

C22H21NO10S2

C22H21NO10S2

Conditions
ConditionsYield
With potassium hydroxide In water at 20 - 25℃; for 4h;
1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

4-(2-chlorodiazenyl)benzenesulfonic acid

4-(2-chlorodiazenyl)benzenesulfonic acid

C16H10N3O10S3(3-)*3Na(1+)
17716-41-5, 36105-98-3

C16H10N3O10S3(3-)*3Na(1+)

Conditions
ConditionsYield
With sodium carbonate In water; N,N-dimethyl-formamide for 28.1667h; pH=9 - 10;2.42 g
1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

C10H8NO8S2(1-)*Na(1+)

C10H8NO8S2(1-)*Na(1+)

Conditions
ConditionsYield
With dihydrogen peroxide In aq. acetate buffer at 30℃; pH=4;
acetic anhydride
108-24-7

acetic anhydride

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

C12H9NO8S2(2-)*2Na(1+)

C12H9NO8S2(2-)*2Na(1+)

Conditions
ConditionsYield
In water at 60℃;
2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate
2494-89-5

2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate

C12H14N2O6S2

C12H14N2O6S2

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

C30H22N6O11S4(2-)*2Na(1+)

C30H22N6O11S4(2-)*2Na(1+)

Conditions
ConditionsYield
Stage #1: 2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 2h; pH=2;
Stage #2: 1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt In water at 7 - 10℃; for 4h;
Stage #3: C12H14N2O6S2 Further stages;
90 g
2-Hydroxy-1,4-naphthoquinone
83-72-7

2-Hydroxy-1,4-naphthoquinone

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

C20H12N2O10S2

C20H12N2O10S2

Conditions
ConditionsYield
Stage #1: 1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt With sodium carbonate In water at 4℃; Heating;
Stage #2: With sodium nitrite In water Cooling with ice;
Stage #3: 2-hydroxynaphtho-1,4-quinone Further stages;
2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate
2494-89-5

2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate

C10H14NO8S2(1-)*Na(1+)

C10H14NO8S2(1-)*Na(1+)

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

C28H26N5O21S6(3-)*3Na(1+)

C28H26N5O21S6(3-)*3Na(1+)

Conditions
ConditionsYield
With hydrogenchloride; sodium nitrite In water at 0 - 10℃; for 4h; pH=5 - 7;
2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate
2494-89-5

2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

3-amino-4-methoxyphenil β-hydroxyl-sulfone sulfonic acid ester

3-amino-4-methoxyphenil β-hydroxyl-sulfone sulfonic acid ester

C27H24N5O20S6(3-)*3Na(1+)

C27H24N5O20S6(3-)*3Na(1+)

Conditions
ConditionsYield
With hydrogenchloride; sodium nitrite In water at 0 - 10℃; pH=5 - 7;
C11H10Cl2N4O6S2
52610-09-0

C11H10Cl2N4O6S2

1-hydroxy-6-amino-3-naphthalenesulfonic acid
87-02-5

1-hydroxy-6-amino-3-naphthalenesulfonic acid

2-amino-1,5-naphthalenedisulfonic acid
117-62-4

2-amino-1,5-naphthalenedisulfonic acid

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt
5460-09-3

1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt

A

C31H22ClN7O19S6(2-)*2Na(1+)

C31H22ClN7O19S6(2-)*2Na(1+)

B

C31H23ClN7O16S5(1-)*Na(1+)

C31H23ClN7O16S5(1-)*Na(1+)

Conditions
ConditionsYield
Stage #1: C11H10Cl2N4O6S2 With sodium hydrogencarbonate; sodium carbonate at 4 - 7℃; pH=2.8 - 4; Large scale;
Stage #2: With sodium hydrogencarbonate at 25℃; for 0.5h; pH=6.5 - 7.5; Large scale;
Stage #3: 7-amino-4-hydroxy-2-naphthalenesulfonic acid; 2-amino-1,5-naphthalenedisulfonic acid; 1-amino-8-hydroxy-naphthalene-3,6-disulphonic acid monosodium salt Large scale; Further stages;

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