C.I. Acid Orange 51

HCID 82271

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Basic information

CAS
8003-88-1
Standard SMILES
Cc1ccc(S(=O)(=O)Oc2ccc(N=Nc3ccc(N=Nc4ccc(Nc5ccc([N+](=O)[O-])cc5S(=O)(=O)[O-])cc4)c4ccc(S(=O)(=O)[O-])cc34)cc2C)cc1.[Na+].[Na+]
InChIKey
HBINTOQGSKHKJI-UHFFFAOYSA-L
Molecular formula
C36H26N6Na2O11S3
Average molar mass
860.816 g/mol
Monoisotopic mass
860.06170721

Names & identifiers

Preferred name
C.I. Acid Orange 51
IUPAC
Disodium 8-({3-methyl-4-[(4-methylbenzene-1-sulfonyl)oxy]phenyl}diazenyl)-5-{[4-(4-nitro-2-sulfonatoanilino)phenyl]diazenyl}naphthalene-2-sulfonate
English name
ACID ORANGE 51
Molecular formula
C36H26N6Na2O11S3
Molecular weight
860.8

Names & synonyms

CI 26550Acid Orang 51ACID ORANGE 51Einecs 232-328-7Acid Red Brown 5KC.I. Acid Orange 51Acid Orange 51 (C.I.)Nylomine Acid Brown C-RBaygenal Red Brown LNZRacidorange51(c.i.26550)

Database identifiers

CAS
8003-88-1
PubChem CID
82271
DTXSID
DTXSID0064888

Properties

Physicochemical properties

EPA Substance Registry System
51 · C.I. Acid Orange 51 (8003-88-1)
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
319 · H319
Precautionary statements
264 · P264-P280-P305+P351+P338-P337+P313P
TSCA
TSCA listed

Safety & regulation

Safety data

tsca
TSCA listed
Signal word
Warning
Symbol(GHS)
GHS07
Hazard statements
H319
Precautionary statements
P264-P280-P305+P351+P338-P337+P313P

Chemistry & industry

Applications

UsesAcid orange 51 is an azo dye.

Preparation methods · 1 item

Preparation2-(4-Aminophenylamino)-5-nitrobenzenesulfonic acid diazotization and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, and its product and diazotization, coupling with o-Cresol, 4-Methylbenzene-1-sulfonyl chlorideand then esterified

Suppliers6 total

武汉易泰科技有限公司上海分公司18930552037 · [email protected]
Alfa Chemistry1-516-6625404 · [email protected]
陕西缔都医药化工有限公司029-029-029-81148696 18161915376 · [email protected]
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.+8618950047208 · [email protected]
DAYANG CHEM (HANGZHOU) CO.,LTD+86-88938639 +86-17705817739 · [email protected]

Related reactions

0 records

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Compound notes

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