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4-Aminoazobenzene-3,4′-disulfonic acid

4-Aminoazobenzene-3,4′-disulfonic acid structure

CAS No:
101-50-8
Formula:
C12H11N3O6S2
Chemical Name:
4-Aminoazobenzene-3,4′-disulfonic acid
Synonyms:
Benzenesulfonic acid,2-amino-5-[2-(4-sulfophenyl)diazenyl]-;Benzenesulfonic acid,6-amino-3,4′-azodi-;Benzenesulfonic acid,2-amino-5-[(4-sulfophenyl)azo]-;2-Amino-5-[2-(4-sulfophenyl)diazenyl]benzenesulfonic acid;4-Amino-3,4′-disulfoazobenzene;4-Aminoazobenzene-3,4′-disulfonic acid;4-Amino-3,4′-disulfo-1,1′-azobenzene;4-Amino-1,1′-azobenzene-3,4′-disulfonic acid;2-Amino-5-(4-sulfophenylazo)benzenesulfonic acid;2-Sulfo-4-[(4-sulfophenyl)azo]aniline;NSC 57606;Poly(4-amino-1-1′-azobenzene-3,4′-disulfonic acid)

Description

4-aminoazobenzene-3,4'-disulfonic acid is a member of the class of azobenzenes that is azobenzene in which one of the phenyl groups is substituted at the para position by a sulfo group, while the other is substituted at a meta position by a sulfo group and at the para position by an amino group. The disodium salt is the biological stain 'fast yellow'. It is a member of azobenzenes, an amino sulfonic acid and a primary arylamine. It is a conjugate acid of a 4-aminoazobenzene-3,4'-disulfonate.

4-Aminoazobenzene-3,4′-disulfonic acid Basic Attributes

Molecular Weight：

357.36

Exact Mass：

357.36

EC Number：

202-947-7

NSC Number：

57606

DSSTox ID：

DTXSID6059231

HScode：

2927000090

Characteristics

PSA：

176.24000

XLogP3：

4.92040

Appearance：

white powder

Density：

0,928 g/cm3

Melting Point：

13°C

Boiling Point：

103 °C

Flash Point：

5°C

Refractive Index：

1.4146

Toxicity：

Oral-rat LD50: 14800 mg/kg

Flammability characteristics：

Flammable; burning produces toxic nitrogen oxides and sulfur oxide fumes

Safety Information

Packing level：

Hazard category：

Transport codes：

3272

hazard class code：

R11:Highly Flammable.

safety instructions：

S9-S16-S33

Marks：

Xi,F

Storage features：

Warehouse ventilated, low temperature and dry

Precautionary statement(s)：

P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501

Hazard Statements：

H315

GHS Classification：

|Warning|H315 (76.47%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 52 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Toxicity

Toxicity class：

practically nontoxic

4-Aminoazobenzene-3,4′-disulfonic acid Use and Manufacturing

Uses

Pigments

Production

< 25,000 lb

Manufacturing Info：

All other basic organic chemical manufacturing|Benzenesulfonic acid, 2-amino-5-[2-(4-sulfophenyl)diazenyl]-: ACTIVE

Computed Properties

Molecular Weight:357.4
XLogP3:0.2
Hydrogen Bond Donor Count:3
Hydrogen Bond Acceptor Count:9
Rotatable Bond Count:4
Exact Mass:357.00892743
Monoisotopic Mass:357.00892743
Topological Polar Surface Area:176
Heavy Atom Count:23
Complexity:629
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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Guide of 4-Aminoazobenzene-3,4′-disulfonic acid

Description
Basic Attributes
Characteristics
Safety Information
Toxicity
Use and Manufacturing
Computed Properties
Learn More Other Chemicals

4-Aminoazobenzene-3,4′-disulfonic acid

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