4'-Aminoazobenzene-4-sulphonic acid
Names
[ CAS No. ]:
104-23-4
[ Name ]:
4'-Aminoazobenzene-4-sulphonic acid
[Synonym ]:
Sodium 4-[(E)-(4-aminophenyl)diazenyl]benzenesulfonate
Benzenesulfonic acid, p-[(p-aminophenyl)azo]-, sodium salt
4-[(4-aminophenyl)diazenyl]benzenesulfonic acid
Benzenesulfonic acid, p-[(p-aminophenyl)azo]-, monosodium salt
MFCD00035564
Benzenesulfonic acid, 4-[(E)-2-(4-aminophenyl)diazenyl]-, sodium salt (1:1)
EINECS 203-187-9
Benzenesulfonic acid, 4-[(4-aminophenyl)azo]-, sodium salt
Chemical & Physical Properties
[ Density]:
1.43 g/cm3
[ Melting Point ]:
125-131 °C
[ Molecular Formula ]:
C12H10N3NaO3S
[ Molecular Weight ]:
299.281
[ Exact Mass ]:
299.034058
[ PSA ]:
116.32000
[ LogP ]:
4.25030
[ Index of Refraction ]:
1.663
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- DB5010000
- CHEMICAL NAME :
- Benzenesulfonic acid, p-((p-aminophenyl)azo)-
- CAS REGISTRY NUMBER :
- 104-23-4
- BEILSTEIN REFERENCE NO. :
- 0753101
- LAST UPDATED :
- 199709
- DATA ITEMS CITED :
- 2
- MOLECULAR FORMULA :
- C12-H11-N3-O3-S
- MOLECULAR WEIGHT :
- 277.32
- WISWESSER LINE NOTATION :
- ZR DNUNR DSWQ
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
MUTATION DATA
- TYPE OF TEST :
- Morphological transformation
- TEST SYSTEM :
- Rodent - hamster Kidney
- DOSE/DURATION :
- 25 mg/L
- REFERENCE :
- BJCAAI British Journal of Cancer. (Macmillan Press Ltd., Houndmills, Basingstoke, Hants. RG21 2XS, UK) V.1- 1947- Volume(issue)/page/year: 38,34,1978
Safety Information
[ Hazard Codes ]:
Xi
[ Safety Phrases ]:
S22-S24/25
[ WGK Germany ]:
3
[ HS Code ]:
2927000090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2927000090
[ Summary ]:
2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%