2-Amino-1,5-naphthalenedisulfonic acid

ChemicalBook > CAS DataBase List > 2-Amino-1,5-naphthalenedisulfonic acid

2-Amino-1,5-naphthalenedisulfonic acid

Product Name: 2-Amino-1,5-naphthalenedisulfonic acid
CAS No.: 117-62-4
Chemical Name: 2-Amino-1,5-naphthalenedisulfonic acid
Synonyms: SULFO TOBIAS ACID;D SALT;5-sulfo-tobiasaci;SULPHOTOBIAS ACID;Sulfonic Tobias Acid;Sulfo Tobias Acid(STA);kyselinasulfo-tobiasova;Sulfonated trimeric acid;2-amino-1,5-naphthalenedisulfonic;2-amino-5-naphthalenedisulfonicacid
CBNumber: CB0704041
Molecular Formula: C10H9NO6S2
Formula Weight: 303.31
MOL File: 117-62-4.mol

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2-Amino-1,5-naphthalenedisulfonic acid Property

Boiling point:: 205.8°C (rough estimate)
Density: 1.6329 (rough estimate)
refractive index: 1.7330 (estimate)
storage temp.: 2-8°C
pka: -0.51±0.40(Predicted)
Water Solubility: soluble
LogP: -1.85
CAS DataBase Reference: 117-62-4(CAS DataBase Reference)
EPA Substance Registry System: 1,5-Naphthalenedisulfonic acid, 2-amino- (117-62-4)

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Safety

Hazard Codes: Xi,C
Risk Statements: 36-34
Safety Statements: 26-28A
RIDADR: 1759
WGK Germany: 2
RTECS: QJ6135000
F: 8-10
HazardClass: 8
PackingGroup: III
Toxicity: LD50 oral in rat: 5430mg/kg

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word: Warning
Hazard statements: H319Causes serious eye irritation
Precautionary statements: 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

Sigma-Aldrich

Product number: S458813
Product name: 2-AMINO-1,5-NAPHTHALENEDISULFONIC ACID
Purity: Aldrich
Packaging: 250mg
Price: $179
Updated: 2024/03/01

TRC

Product number: A618853
Product name: 2-AMINO-1,5-NAPHTHALENEDISULFONIC ACID
Packaging: 1g
Price: $50
Updated: 2021/12/16

TRC

Product number: A618853
Product name: 2-AMINO-1,5-NAPHTHALENEDISULFONIC ACID
Packaging: 2.5g
Price: $115
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0032199
Product name: 2-AMINO-1,5-NAPHTHALENEDISULFONIC ACID
Purity: 95.00%
Packaging: 250G
Price: $4838.87
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FA33517
Product name: 2-Amino-1,5-naphthalenedisulfonic acid
Packaging: 2g
Price: $71.9
Updated: 2021/12/16

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2-Amino-1,5-naphthalenedisulfonic acid Chemical Properties,Usage,Production

Description

2-Aminonaphthalene-1,5-disulfonic acid [117-62-4]. 5-sulfo-Tobias acid, C10H9NO6S2, Mr 303.32, is purified by crystallization of the dipotassium salt from water. Alkali fusion results in formation of 2-amino-5-hydroxynaphthalene-1-sulfonic acid. Sulfonation (40 % oleum, 100℃) gives 2-aminonaphthalene-1,5,7-trisulfonic acid. Heating with aqueous sulfuric acid produces 2-aminonaphthalene-5- sulfonic acid. The diazo compound is converted to 2-diazo-1-hydroxynaphthalene-5-sulfonic acid on treatment with alkaline hypochlorite.

Chemical Properties

BEIGE POWDER

Uses

?As a diazo component in orange and red azo reactive dyes, 2-Amino-1,5-naphthalenedisulfonic acid gives more bathochromic shades than Tobias acid.

Production Methods

Sulfonation of Tobias acid to produce 2-aminonaphthalene-5-sulfonic acid proceeds via 2-Aminonaphthalene-1,5-disulfonic acid, which is isolated from the quenched reaction mixture with careful avoidance of desulfonation.

2-Amino-1,5-naphthalenedisulfonic acid Preparation Products And Raw materials

Raw materials

2-Aminonaphthalene-1-sulfonic acid

Preparation Products

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View Lastest Price from 2-Amino-1,5-naphthalenedisulfonic acid manufacturers

Qingdao RENAS Polymer Material Co., Ltd.

Product: 2-Amino-1,5-naphthalenedisulfonic acid 117-62-4
Price: US $0.00/kg
Min. Order: 20kg
Purity: 99%
Supply Ability: 20 tons
Release date: 2024-10-08

Hebei Chuanghai Biotechnology Co,.LTD

Product: 2-Amino-1, 5-Naphthalenedisulfonic Acid 117-62-4
Price: US $5.00-2.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10000kg
Release date: 2024-08-15

Honest Joy Holdings Limited

Product: 2-Amino-1,5-naphthalenedisulfonic acid 117-62-4
Price: US $0.00/KG
Min. Order: 1KG
Purity: 97.0%
Supply Ability: 100 tons
Release date: 2022-02-20

117-62-4, 2-Amino-1,5-naphthalenedisulfonic acidRelated Search:

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SULFO TOBIAS ACID

SULPHOTOBIAS ACID

2-amino-1,5-naphthalenedisulfonic

Sulfonic Tobias Acid

2-NAPHTHYLAMINE-1 5-DISULFONIC ACID SODI

2-NAPHTHYLAMINE-1,5-DISULFONIC ACID, F. PROT. SEQ. ANALYSIS

1,5-Naphthalenedisulfonic acid, 2-amino-

2-amino-5-naphthalenedisulfonicacid

5-sulfo-tobiasaci

kyselina2-naftylamin-1,5-disulfonova

kyselinasulfo-tobiasova

D SALT

2-NAPHTHYLAMINE-1,5-DISULFONIC ACID

2-AMINO-1,5-NAPHTHALENE DISULFONIC ACID

2-AMINONAPHTHALENE-1,5-DISULFONIC ACID

2-NaphthylaMine-1,5-DisulphonicAcid

2-AMINO-1,5-NAPHTHALENEDISULPHONICACID

2-Amino-1,5-naphthalenedisulfonic acid,tech.

2-Amino-1,5-naphthalenedisulfonicaci

Sulfo Tobias Acid(STA)

SULPHO TOBIAS ACID/ SULFO TOBIAS ACID(2-AMINONAPHTHALENE 1 5-DISULFONIC ACID)

Sulfonated trimeric acid

117-62-4

C10H7NO6S2

Reagents for Protein Sequencing

Protein Sequencing

Protein Analysis

Proteomics and Protein Expression

BioChemical

Organic acids

Intermediates of Dyes and Pigments