Products

Refine

Country

Business Type

Certificate

Display

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

2,7-Naphthalenedisulfonicacid, 3-amino-5-hydroxy-

Cas:90-40-4

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 3-amino-5-hydroxynaphthalene-2,7-disulphonic acid

Cas:90-40-4

Min.Order:1

Negotiable

Type:Other

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

8-Hydroxy-2-naphthylamine-3,6-disulfonic acid 90-40-4

Cas:90-40-4

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

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

2,7-Naphthalenedisulfonicacid, 3-amino-5-hydroxy- 90-40-4

Cas:90-40-4

Min.Order:1 Kilogram

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

7-Amino-1-naphthol-3,6-disulphonic acid

Cas:90-40-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

High Quality Best price Fast Delivery Good Service Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; developm

8-Hydroxy-2-naphthylamine-3,6-disulfonic acid

Cas:90-40-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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-Hydroxy-2-naphthylamine-3,6-disulfonic acid

Cas:90-40-4

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

8-Hydroxy-2-naphthylamine-3,6-disulfonic acid

Cas:90-40-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Best service,high quality and cheap price. Storage:Keep away from heat,sparks and flames. Package:25kg/50kg/200kg drum or Customer demand Application:Used as pharmaceutical intermediates Transportation:BY sea/air or by courier

8-Hydroxy-2-naphthylamine-3,6-disulfonic acid

Cas:90-40-4

Min.Order:0

Negotiable

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

8-Hydroxy-2-naphthylamine-3

Cas:90-40-4

Min.Order:0

Negotiable

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier

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

Cas:90-40-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

8-Hydroxy-2-naphthylamine-3,6-disulfonic acid

Cas:90-40-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

2,7-Naphthalenedisulfonicacid, 3-amino-5-hydroxy-Appearance:detailed see specifications Storage:Keep away of light, cool place Package:25kg/drum;200kg/drum Application:Used in Synthesis, Pharmaceuticals and other fields Transportation:Sea/air/courier

2,7-Naphthalenedisulfonicacid, 3-amino-5-hydroxy-

Cas:90-40-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

2,7-Naphthalenedisulfonicacid, 3-amino-5-hydroxy- cas 90-40-4Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

2,7-Naphthalenedisulfonicacid, 3-amino-5-hydroxy- cas 90-40-4

Cas:90-40-4

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

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

8-Hydroxy-2-naphthylamine-3,6-disulfonic acid

Cas:90-40-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Russell Chemicals Technology 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:any port in China

8-Hydroxy-2-naphthylamine-3,6-disulfonic acid 90-40-4

Cas:90-40-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shenzhen Foris Technology 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:any port in China

8-Hydroxy-2-naphthylamine-3,6-disulfonic acid 90-40-4

Cas:90-40-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

(2R)-2-amino-3-[[(2R)-2-amino-2-carboxypropyl]trisulfanyl]-2-methylpropanoic acid

Cas:90-40-4

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Jilin haofei import and export trade Co.,Ltd

Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right

2,7-Naphthalenedisulfonicacid, 3-amino-5-hydroxy- CAS NO.90-40-4

Cas:90-40-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemical Technology Co.,LTD

1. Production capacity: we have three production base with high-tech production equipment and instruments, equipped with professional production personnel, meet your requirements.2. Quality assurance: we have a first-class testing equipment and testi

8-Hydroxy-2-naphthylamine-3,6-disulfonic acid

Cas:90-40-4

Min.Order:0

Negotiable

Type:Other

inquiry

Finetech Industry Limited

FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 8-Hydroxy-2-naphthylamine-3,6-disulfonic acid, CAS:90-40-4 with the most competitive

8-Hydroxy-2-naphthylamine-3,6-disulfonic acid

Cas:90-40-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Pure Chemistry Scientific Inc.

8-Hydroxy-2-naphthylamine-3,6-disulfonic acid Application:822675

8-Hydroxy-2-naphthylamine-3,6-disulfonic acid

Cas:90-40-4

Min.Order:1 Gram

FOB Price: $500.0

Type:Trading Company

inquiry

Jainik Industries

PRODUCT NAME : 2R ACID CHEMICAL NAME : 2 - AMINO 8 - NAPHTHOL 3,6- DI SULFONIC ACID 3-AMINO-5-HYDROXYL-2:7 NAPHTHALENE - DI SULFONIC ACID EMPIRI…

2,7-Naphthalenedisulfonicacid, 3-amino-5-hydroxy-

Cas:90-40-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Prashant Group

COMMERCIAL NAME: 2R ACID | SULFO GAMMA ACID | CHEMICAL NAME: 2-AMINO-8-NAPHTHOL-3,6-DISULFONIC ACID | 3-AMINO-5-HYDROXY-2,7-NAPHTHALENE DISULFO…

2,7-Naphthalenedisulfonicacid, 3-amino-5-hydroxy-

Cas:90-40-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

NovaChemistry

high purity Application:Drug intermediates Materials intermediates and active molecules

8-Hydroxy-2-naphthylamine-3,6-disulfonic acid

Cas:90-40-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Prashant Group

2,7-Naphthalenedisulfonicacid, 3-amino-5-hydroxy-

Cas:90-40-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

Conditions
ConditionsYield
With alkali at 220 - 260℃;
7-aminonaphthalene-1,3,6-trisulfonic acid
118-03-6

7-aminonaphthalene-1,3,6-trisulfonic acid

alkali

alkali

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

Conditions
ConditionsYield
at 220 - 260℃;
tetrasodium-salt of/the/ 2-amino-naphthalene-1.3.6.8-tetrasulfonic acid

tetrasodium-salt of/the/ 2-amino-naphthalene-1.3.6.8-tetrasulfonic acid

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

Conditions
ConditionsYield
With sodium hydroxide at 200℃;
phosgene
75-44-5

phosgene

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

5,5'-dihydroxy-3,3'-ureylene-bis-naphthalene-2,7-disulfonic acid ; sodium salt

5,5'-dihydroxy-3,3'-ureylene-bis-naphthalene-2,7-disulfonic acid ; sodium salt

Conditions
ConditionsYield
With sodium carbonate
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

6-nitro-1-naphthoic acid chloride
175697-96-8

6-nitro-1-naphthoic acid chloride

5,5'-dihydroxy-3,3'-(5,5'-ureylene-bis-[1]naphthoylamino)-bis-naphthalene-2,7-disulfonic acid

5,5'-dihydroxy-3,3'-(5,5'-ureylene-bis-[1]naphthoylamino)-bis-naphthalene-2,7-disulfonic acid

Conditions
ConditionsYield
Reduktion und Behandlung des Reaktionsprodukts mit Phosgen bei Gegenwart von Natriumacetat in waessr. Loesung;
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

4-nitrobenzenediazonium chloride
100-05-0

4-nitrobenzenediazonium chloride

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

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

Conditions
ConditionsYield
und Reduktion mit Natriumsulfid;
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

4-nitrobenzenediazonium chloride
100-05-0

4-nitrobenzenediazonium chloride

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

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

Conditions
ConditionsYield
With acetic acid
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

benzene diazonium chloride
100-34-5

benzene diazonium chloride

6-amino-4-hydroxy-3-phenylazo-naphthalene-2,7-disulfonic acid

6-amino-4-hydroxy-3-phenylazo-naphthalene-2,7-disulfonic acid

Conditions
ConditionsYield
With alkali
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

1,7-Dihydroxynaphthalene
575-38-2

1,7-Dihydroxynaphthalene

Conditions
ConditionsYield
With sulfuric acid at 200℃;
With hydrogenchloride at 200℃;
With phosphoric acid at 200℃;
With formic acid at 200℃;
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

6-amino-2,3,5,7-tetrabromo-[1,4]naphthoquinone
858020-15-2

6-amino-2,3,5,7-tetrabromo-[1,4]naphthoquinone

Conditions
ConditionsYield
With bromine; acetic acid
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

5,5'-dihydroxy-3,3'-imino-bis-naphthalene-2,7-disulfonic acid

5,5'-dihydroxy-3,3'-imino-bis-naphthalene-2,7-disulfonic acid

Conditions
ConditionsYield
With sodium hydrogensulfite
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

8-hydroxy-3,6-disulfo-naphthalene-2-diazonium-betaine
34043-07-7

8-hydroxy-3,6-disulfo-naphthalene-2-diazonium-betaine

Conditions
ConditionsYield
Diazotization;
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

aniline hydrochloride
142-04-1

aniline hydrochloride

aniline
62-53-3

aniline

3-anilino-5-hydroxy-naphthalene-2,7-disulfonic acid
73525-19-6

3-anilino-5-hydroxy-naphthalene-2,7-disulfonic acid

Conditions
ConditionsYield
at 160℃;
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

aniline
62-53-3

aniline

3-anilino-5-hydroxy-naphthalene-2,7-disulfonic acid
73525-19-6

3-anilino-5-hydroxy-naphthalene-2,7-disulfonic acid

Conditions
ConditionsYield
With aniline hydrochloride at 160℃;
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

m-nitrobenzoic acid chloride
121-90-4

m-nitrobenzoic acid chloride

5-hydroxy-3-(3-nitro-benzoylamino)-naphthalene-2,7-disulfonic acid ; disodium-salt hydrate

5-hydroxy-3-(3-nitro-benzoylamino)-naphthalene-2,7-disulfonic acid ; disodium-salt hydrate

Conditions
ConditionsYield
With sodium acetate
sulfuric acid
7664-93-9

sulfuric acid

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

1,7-Dihydroxynaphthalene
575-38-2

1,7-Dihydroxynaphthalene

Conditions
ConditionsYield
at 200℃;
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

bromine
7726-95-6

bromine

water containing acetic acid

water containing acetic acid

6-amino-2,3,5,7-tetrabromo-[1,4]naphthoquinone
858020-15-2

6-amino-2,3,5,7-tetrabromo-[1,4]naphthoquinone

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

diazotized 4-chloro-5-amino-2-oxalamino-anisole

diazotized 4-chloro-5-amino-2-oxalamino-anisole

6-(2,4-diamino-5-sulfo-phenylazo)-3-[4-(2,4-diamino-5-sulfo-phenylazo)-2-chloro-5-methoxy-phenylazo]-4-hydroxy-naphthalene-2,7-disulfonic acid

6-(2,4-diamino-5-sulfo-phenylazo)-3-[4-(2,4-diamino-5-sulfo-phenylazo)-2-chloro-5-methoxy-phenylazo]-4-hydroxy-naphthalene-2,7-disulfonic acid

Conditions
ConditionsYield
With sodium carbonate ueber mehrere Stufen;
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

alkali

alkali

7-amino-1.3-or 1.6-dioxy-naphthalene-sulfonic acid-(6 or 3)

7-amino-1.3-or 1.6-dioxy-naphthalene-sulfonic acid-(6 or 3)

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

6-acetylamino-2,3,5,7-tetrabromo-[1,4]naphthoquinone

6-acetylamino-2,3,5,7-tetrabromo-[1,4]naphthoquinone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: acetic acid; bromine
2: sulfuric acid
View Scheme
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

2,3,5,7-tetrabromo-6-diacetylamino-[1,4]naphthoquinone

2,3,5,7-tetrabromo-6-diacetylamino-[1,4]naphthoquinone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: acetic acid; bromine
2: sulfuric acid
View Scheme
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

1,7-diacetoxynaphthalene
51850-49-8

1,7-diacetoxynaphthalene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aqueous formic acid / 200 °C
2: pyridine / 100 °C
View Scheme
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

1,7-di-trans-cinnamoyloxy-naphthalene

1,7-di-trans-cinnamoyloxy-naphthalene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aqueous formic acid / 200 °C
2: benzene; pyridine
View Scheme
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

1,7-bis-benzoyloxy-naphthalene

1,7-bis-benzoyloxy-naphthalene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aqueous formic acid / 200 °C
2: potassium carbonate; benzene
View Scheme
Multi-step reaction with 2 steps
1: aqueous formic acid / 200 °C
2: pyridine
View Scheme
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

1,7-bis-allophanoyloxy-naphthalene

1,7-bis-allophanoyloxy-naphthalene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aqueous formic acid / 200 °C
2: benzene
View Scheme
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

1,7-bis-phenylcarbamoyloxy-naphthalene

1,7-bis-phenylcarbamoyloxy-naphthalene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aqueous formic acid / 200 °C
View Scheme
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

1,7-bis-(4-nitro-benzoyloxy)-naphthalene

1,7-bis-(4-nitro-benzoyloxy)-naphthalene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aqueous formic acid / 200 °C
2: benzene
View Scheme
2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid
90-40-4

2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

C30H25N7O11S3
742661-00-3

C30H25N7O11S3

Conditions
ConditionsYield
Stage #1: C20H19N5O4S
Stage #2: 2-amino-8-hydroxy-naphthalene-3,6-disulphonic acid

Raw Materials

Downstream Products

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View