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4-Aminoazobenzene-4′-sulfonic acid

4-Aminoazobenzene-4′-sulfonic acid structure

CAS No:
104-23-4
Formula:
C12H11N3O3S
Chemical Name:
4-Aminoazobenzene-4′-sulfonic acid
Synonyms:
Benzenesulfonic acid,4-[2-(4-aminophenyl)diazenyl]-;C.I. Food Yellow 6;Benzenesulfonic acid,4-[(4-aminophenyl)azo]-;Benzenesulfonic acid,p-(p-aminophenylazo)-;4-[2-(4-Aminophenyl)diazenyl]benzenesulfonic acid;p-[(p-Aminophenyl)azo]benzenesulfonic acid;4′-Sulfo-4-aminoazobenzene;4-Aminoazobenzene-4′-sulfonic acid;4′-Aminoazobenzene-4-sulfonic acid;4-Amino-1,1′-azobenzene-4′-sulfonic acid;4-(4′-Sulfophenylazo)aniline;4-(4-Sulfophenylazo)aniline;4-(4-Aminophenylazo)benzenesulfonic acid;NSC 4704;4-Amino-4′-sulfoazobenzene;4-[2-(4-Aminophenyl)diazenyl]-benzenesulfonic acid
Categories:
Organic Chemistry > Nitrogen Compounds

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4-Aminoazobenzene-4′-sulfonic acid Basic Attributes

Molecular Weight：

277.3

Exact Mass：

277.30

EC Number：

203-187-9

UNII：

G5U4TU950K

NSC Number：

4704

DSSTox ID：

DTXSID4041731

HScode：

2927000090

Characteristics

PSA：

116.32000

XLogP3：

4.25030

Density：

1.43 g/cm3

Melting Point：

125-131 °C

Refractive Index：

1.663

Flammability characteristics：

Flammable; burning produces toxic nitrogen oxides and sulfur oxide fumes

Safety Information

wgk germany：

safety instructions：

S22-S24/25

Marks：

Storage features：

Warehouse ventilated, low temperature and dry

Precautionary statement(s)：

P261, P264, P270, P272, P273, P280, P301+P312, P302+P352, P305+P351+P338, P321, P330, P332+P313, P333+P313, P337+P313, P362, P363, P501

Hazard Statements：

H302

GHS Classification：

|Warning|H302 (97.32%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P272, P273, P280, P301+P312, P302+P352, P305+P351+P338, P321, P330, P332+P313, P333+P313, P337+P313, P362, P363, and P501|Aggregated GHS information provided by 152 companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

4-(4-aminophenylazo)benzene sulfonic acid

4-Aminoazobenzene-4′-sulfonic acid Use and Manufacturing

Uses

Used as dye intermediate

Intermediates

Manufacturing Info：

Synthetic dye and pigment manufacturing|Benzenesulfonic acid, 4-[2-(4-aminophenyl)diazenyl]-: ACTIVE

Computed Properties

Molecular Weight:277.30
XLogP3:2.2
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:6
Rotatable Bond Count:3
Exact Mass:277.05211239
Monoisotopic Mass:277.05211239
Topological Polar Surface Area:114
Heavy Atom Count:19
Complexity:402
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Recommended Suppliers of 4-Aminoazobenzene-4′-sulfonic acid

Shanghai Xin Cheng Yue Chemical Co.,Ltd Contact Supplier

CN
3 YRS

Business licensed

Distributor Supplier of m-Toluidine,N,N-diethyl-m-toluidine,4-Nitrotoluene-2-Sulfonica Acid,Monoethanolamine,Color Developer CD3

4'-aminoazobenzene-4-sulfonic acid

CAS No.: 104-23-4

Grade: Industrial Grade

Content: 99.8%

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Guide of 4-Aminoazobenzene-4′-sulfonic acid

Basic Attributes
Characteristics
Safety Information
Drug Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
Latest News
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4-Aminoazobenzene-4′-sulfonic acid

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