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4-[2-(4-Hydroxyphenyl)diazenyl]benzenesulfonic acid

HCID 17501
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Basic information

CAS
2918-83-4
Standard SMILES
O=S(=O)(O)c1ccc(N=Nc2ccc(O)cc2)cc1
InChIKey
CNYMBHPFLJWLJW-UHFFFAOYSA-N
Molecular formula
C12H10N2O4S
Average molar mass
278.289 g/mol
Monoisotopic mass
278.0361278

Names & identifiers

Preferred name
4-[2-(4-Hydroxyphenyl)diazenyl]benzenesulfonic acid
IUPAC
4-[(4-Hydroxyphenyl)diazenyl]benzene-1-sulfonic acid
English name
4'-hydroxyazobenzene-4-sulphonic acid
Molecular formula
C12H10N2O4S
Molecular weight
278.28

Names & synonyms

4-Hydroxy-4'-sulfoazobenzene4-[(4-Sulfophenyl)diazenyl]phenol4'-hydroxyazobenzene-4-sulphonic acid4-(4-Hydroxyphenylazo)benzenesulfonic acid4-[(4-Hydroxyphenyl)diazenyl]benzenesulfonic AcidBenzenesulfonic acid, 4-[2-(4-hydroxyphenyl)diazenyl]-

Database identifiers

CAS
2918-83-4
PubChem CID
17501
DTXSID
DTXSID501222303
EC Number
220-856-0
Nikkaji
J3.751.302D、J94.902G

Properties

Physicochemical properties

Melting point
270 · 270-275 °C
Density
1.44 · 1.44±0.1 g/cm3(Predicted)
pka
-1.03 · -1.03±0.50(Predicted)

Chemistry & industry

Upstream & downstream products

Downstream products

p-Diazobenzenesulfonic acid

Suppliers7 total

韶远科技(上海)有限公司4000665055 · [email protected]
郑州为易化工产品有限公司0371-88888888 qq272369594;2159423853qq · [email protected]
山东利腾生物科技有限公司15020019777 18663721413 · [email protected]
安阳鸿蒙新材料有限公司19588588067 · [email protected]
上海颖心实验室设备有限公司021-021-59178156 15300768757 · [email protected]
Accela ChemBio Inc.+1-858-6993322 +86-18019713315 · [email protected]
上海鼓臣生物技术有限公司021-34675735 19147740836 · [email protected]

Related reactions

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Compound notes

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