7-Amino-1,3-naphthalenedisulfonic acid

ChemicalBook > CAS DataBase List > 7-Amino-1,3-naphthalenedisulfonic acid

7-Amino-1,3-naphthalenedisulfonic acid

Product Name: 7-Amino-1,3-naphthalenedisulfonic acid
CAS No.: 86-65-7
Chemical Name: 7-Amino-1,3-naphthalenedisulfonic acid
Synonyms: K-ACID;Amido G acid;7-aminonaphthalene-1,3-disulfonic acid;AMINO K ACID;1,3-Disulfo-7-naphthylamine;6,8-Disulfo-2-aminonaphthalene;7-amino-3-naphthalenedisulfonicacid;7-Naphthylamine-1,3-disulfonic acid;7-Amino-1,3-naphthalenedisulfonic acid;2-Amino-6,8-naphthalenedisulfonic acid
CBNumber: CB8854490
Molecular Formula: C10H9NO6S2
Formula Weight: 303.31
MOL File: 86-65-7.mol

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7-Amino-1,3-naphthalenedisulfonic acid Property

Melting point:: 300°C
Density: 1.6329 (rough estimate)
refractive index: 1.7330 (estimate)
pka: -0.93±0.40(Predicted)
form: Powder or Needles
color: Off-white to beige-green to light brown
Water Solubility: soluble
CAS DataBase Reference: 86-65-7(CAS DataBase Reference)
EPA Substance Registry System: 1,3-Naphthalenedisulfonic acid, 7-amino- (86-65-7)

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Safety

Hazard Codes: C
Risk Statements: 34
Safety Statements: 26-28A
RIDADR: 1759
HazardClass: 8
PackingGroup: III
HS Code: 29214900

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P310Immediately call a POISON CENTER or doctor/physician.

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N-Bromosuccinimide Price

TRC

Product number: A618773
Product name: 7-Amino-1,3-naphthalenedisulfonicAcid
Packaging: 1g
Price: $60
Updated: 2021/12/16

TRC

Product number: A618773
Product name: 7-Amino-1,3-naphthalenedisulfonicAcid
Packaging: 5g
Price: $75
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FA37535
Product name: 7-Amino-1,3-naphthalenedisulfonic acid
Packaging: 50g
Price: $75
Updated: 2021/12/16

Matrix Scientific

Product number: 094941
Product name: 7-Aminonaphthalene-1,3-disulfonic acid
Purity: 95+%
Packaging: 100g
Price: $95
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FA37535
Product name: 7-Amino-1,3-naphthalenedisulfonic acid
Packaging: 100g
Price: $120
Updated: 2021/12/16

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7-Amino-1,3-naphthalenedisulfonic acid Chemical Properties,Usage,Production

Chemical Properties

off-white to beige-green to light brown. 2-Aminonaphthalene-6,8-disulfonic acid [86-65-7]. (7-aminonaphthalene-1,3-disulfonic acid), amino G acid, C10H9NO6S2, Mr 303.3, and its bis-alkali-metal salts are very soluble in water, but the acid salts, especially the acid potassium salt, are much less soluble.

Uses

Azo dye intermediate.

Uses

7-Amino-1,3-naphthalenedisulfonic Acid is a reagent which may be used in the preparation of pyrimidine derivatives.

Production Methods

The disodium or dipotassium salt of 2-hydroxynaphthalene-6,8-disulfonic acid is heated with excess aqueous ammonia and ammonium bisulfite at 185℃ for 18 h. The reaction mixture is basified, heated to remove excess ammonia, neutralized, and evaporated while any residual sulfite is removed. The resulting amino G acid liquor (95 % yield) is used directly for caustic fusion to give g acid, the major outlet.

Safety Profile

Questionable carcinogen with experimental neoplastigenic data. When heated to decomposition it emits toxic fumes of NOx and SOx.

7-Amino-1,3-naphthalenedisulfonic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 7-Amino-1,3-naphthalenedisulfonic acid manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD

Product: 7-Amino-1,3-naphthalenedisulfonic acid 86-65-7
Price: US $0.00/KG
Min. Order: 1KG
Purity: 98%min
Supply Ability: 30tons/month
Release date: 2023-02-24

Changzhou waston chemical technology Co.,Ltd

Product: 7-Amino-1,3-naphthalenedisulfonic acid 86-65-7
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: according to customer's requirement
Release date: 2023-10-09

Shaanxi Dideu Medichem Co. Ltd

Product: 7-Amino-1,3-naphthalenedisulfonic acid 86-65-7
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99.0%+
Supply Ability: 100 tons
Release date: 2019-12-30

86-65-7, 7-Amino-1,3-naphthalenedisulfonic acidRelated Search:

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7-amino-3-naphthalenedisulfonicacid

AMINO K ACID

K-ACID

7-aminonaphthalene-1,3-disulphonic acid

2-NAPHTHYLAMINE-6,8-DISULFONIC ACID (AMINO G SALT)

7-aminonaphthalene-1,3-disulfonic acid

1,3-Disulfo-7-naphthylamine

7-Amino-1,3-naphthalenedisulfonic acid, tech.

1,3-Naphthalenedisulfonic acid, 7-amino-

7-Amino-1,3-naphthalenedisulfonic acid

7-Naphthylamine-1,3-disulfonic acid

Amido G acid

Amino-1,3-naphthalenedisulfonic acid, 7-

6,8-Disulfo-2-aminonaphthalene

2-Amino-6,8-naphthalenedisulfonic acid

2-Aminonaphthalene-6,8-disulfonic acid

7-Amino-1,3-naphthalenedisulfonic acid, t

7-AMino-1,3-naphthalenedisulfonic acid, tech. 100GR

7-Amino-1,3-naphthalenedisulfonic acid ISO 9001：2015 REACH

7-Amino-1,3-Naphthalene disulfonic acid (K-acid)

86-65-7

C10H9NO6S2

C10H7NK2O6S2

Intermediates of Dyes and Pigments

Anilines, Aromatic Amines and Nitro Compounds