2-Naphthylamine-5,7-disulfonic acid

Product Name: 2-Naphthylamine-5,7-disulfonic acid
CAS No.: 118-33-2
Chemical Name: 2-Naphthylamine-5,7-disulfonic acid
Synonyms: amino-iacid;AMINO J-ACID;kyselinaamino-i;2-Naphthylamin-5,7-disulfonsure;2-naftylamin-5,7-disulfonansodny;6-amino-1,3-naphthalenedisulfonic;2-Naphthylamine-5,7-disulfonicaci;6-amino-3-naphthalenedisulfonicacid;2-Naphthylamine-5,7-disulfonicaacid;2-NAPHTHYLAMINE-5,7-DISULFONIC ACID
CBNumber: CB9207888
Molecular Formula: C10H9NO6S2
Formula Weight: 303.31
MOL File: 118-33-2.mol

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2-Naphthylamine-5,7-disulfonic acid Property

Boiling point:: 568.34℃[at 101 325 Pa]
Density: 1.769±0.06 g/cm3(Predicted)
vapor pressure: 0Pa at 25℃
pka: -0.91±0.40(Predicted)
Water Solubility: 229g/L at 15℃
InChI: InChI=1S/C10H9NO6S2/c11-7-1-2-9-6(3-7)4-8(18(12,13)14)5-10(9)19(15,16)17/h1-5H,11H2,(H,12,13,14)(H,15,16,17)
InChIKey: KZCSUEYBKAPKNH-UHFFFAOYSA-N
SMILES: C1(S(O)(=O)=O)=C2C(C=C(N)C=C2)=CC(S(O)(=O)=O)=C1
LogP: -1.85
CAS DataBase Reference: 118-33-2(CAS DataBase Reference)
EPA Substance Registry System: 1,3-Naphthalenedisulfonic acid, 6-amino- (118-33-2)

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Safety

RIDADR: 1759
HazardClass: 8
PackingGroup: III
Toxicity: rat,LD50,oral,2gm/kg (2000mg/kg),"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1059, 1986.

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

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

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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

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N-Bromosuccinimide Price

TRC

Product number: N325055
Product name: 2-Naphthylamine-5,7-disulfonicAcid
Packaging: 100mg
Price: $75
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FA41567
Product name: 2-Aminonaphthalene-5,7-disUlfonic acid
Packaging: 1g
Price: $84
Updated: 2021/12/16

Matrix Scientific

Product number: 097328
Product name: 6-Aminonaphthalene-1,3-disulfonic acid
Purity: 95+%
Packaging: 1g
Price: $104
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FA41567
Product name: 2-Aminonaphthalene-5,7-disUlfonic acid
Packaging: 2g
Price: $134.4
Updated: 2021/12/16

AK Scientific

Product number: U257
Product name: 2-Aminonaphthalene-5,7-disulfonicacid
Packaging: 1g
Price: $180
Updated: 2021/12/16

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2-Naphthylamine-5,7-disulfonic acid Chemical Properties,Usage,Production

Chemical Properties

White glossy long prismatic needle-like crystals, the crystals precipitated from water contain 5 molecules of crystal water. The solubility in water at 20°C is 23%. Its monosodium salt and monopotassium salt are commonly used in industry, both of which are soluble in water, and the salt solution has green fluorescence.

Uses

2-Naphthylamine-5,7-disulfonic acid is an intermediate for the preparation of J acid, bis-J acid, phenyl J acid and scarlet acid.

Hazard

Skin - Rabbit 2 mg/24h severe; Eye - Rabbit 0.75 mg/24h severe

Flammability and Explosibility

Not classified

Synthesis

2-Naphthylamine-5,7-disulfonic acid can be obtained by hydrolysis of 2-naphthylamine-1,5,7-trisulfonic acid. Add sulfuric acid, sodium sulfate and 2-naphthylamine-1,5,7-trisulfonic acid into water, keep warm at 110-120°C for 4 hours, cool and filter, and wash in sodium sulfate solution to obtain the product.

2-Naphthylamine-5,7-disulfonic acid Preparation Products And Raw materials

Raw materials

2-Naphthylamine Trisulfonic acid

Preparation Products

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2-Naphthylamine-5,7-disulfonic acid Suppliers

China 108 Europe 1 Germany 1 India 1 Slovakia 1 Ukraine 1 United Kingdom 6 United States 10 Global 129

Finetech Industry Limited

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future industrial shanghai co., ltd

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Hangzhou Yuhao Chemical Technology Co., Ltd

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Shanghai JONLN Reagent Co., Ltd.

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Bide Pharmatech Ltd.

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View Lastest Price from 2-Naphthylamine-5,7-disulfonic acid manufacturers

Shaanxi Dideu Medichem Co. Ltd

Product: 2-Naphthylamine-5,7-disulfonic acid 118-33-2
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99.0%+
Supply Ability: 100 tons
Release date: 2019-12-30

Career Henan Chemical Co

Product: 2-Naphthylamine-5,7-disulfonic acid 118-33-2
Price: US $1.00/KG
Min. Order: 1KG
Purity: Min98% HPLC
Supply Ability: g/kg/ton
Release date: 2020-01-28

118-33-2, 2-Naphthylamine-5,7-disulfonic acidRelated Search:

Dinonylnaphthalenesulfonic acid Sulfanilic acid Nickel bis(sulphamidate) 1-Naphthylamine Sulfamic acid Glycine Dioctyl sulfosuccinate sodium salt Dihydroergotoxine mesylate Sulfamic acid monosodium salt 2,4-Xylenesulfonic acid Sodium xylenesulfonate 4-Amino-benzenesulfonic acid monosodium salt Sodium diphenylamine-4-sulfonate 6-Aminocaproic acid Evans Blue 2-NAPHTHYLAMINE-5,7-DISULFONIC ACID DISODIUM SALT CHICAGO SKY BLUE 6B CHLORAZOL BLUE RW

2-naftylamin-5,7-disulfonansodny

2-Naphthylamine-5,7-disulfonicaacid

6-amino-1,3-naphthalenedisulfonic

6-amino-3-naphthalenedisulfonicacid

6-aminonaphthalene-1,3-disulphonicacid

6-amino-naphthalene-3-disulfonicacid

amino-iacid

kyselinaamino-i

2-NAPHTHYLAMINE-5,7-DISULPHONIC ACID

2-NAPHTHYLAMINE-5,7-DISULFONIC ACID

2-AMINONAPHTHALENE-5,7-DISULFONIC ACID

6-AMINO-1,3-NAPHTHALENEDISULFONIC ACID

AMINO J-ACID

6-aminonaphthalene-1,3-disulfonic acid

2-NAPHTHYLAMINE-5,7-DISULFONIC ACID, 96% HPLC

6-AMINO-1,3-NAPHTHALENE-DISULPHONICACID

2-Naphthylamin-5,7-disulfonsure

1,3-Naphthalenedisulfonic acid, 6-amino-

2--5,7-twoaMinonaphthalenesulfonic acid

2-NaphthylaMine-5,7-disulfonic acid, 3-disulfonic acid

Sodium 2-Naphthylamine-5,7-disulfonate

6-amino-1,3-naphthalenesulfonic acid

2-Naphthylamine-5,7-disulfonicaci

2-Naphthylamine-5,7-disulfonic acid ISO 9001：2015 REACH

2-Amino-5,7-disulfonic acid (amino acid)

118-33-2

Anilines, Aromatic Amines and Nitro Compounds

Organic acids

Intermediates of Dyes and Pigments