ci 11920

4-(phenylazo)-1,3-benzenediol

CAS: 2051-85-6 C12 H10 N2 O2 MW: 214.22410000

CAS Numbers EINECS Numbers M.W Index

Identification

Name	ci 11920
CAS Number	2051-85-6
EINECS	218-131-9
FDA UNII	JR7B69ZW9B
Molecular Formula	C12 H10 N2 O2
Molecular Weight	214.22410000
MDL Number	MFCD00002275
Beilstein	0958430

Regulatory

Physical Properties

Assay	95.00 to 100.00
Food Chemicals Codex Listed	No
Melting Point	170.00 °C. @ 760.00 mm Hg
Boiling Point	370.94 °C. @ 760.00 mm Hg (est)
Flash Point	353.00 °F. TCC ( 178.10 °C. ) (est)
logP (o/w)	1.003 (est)
Soluble in	water, 200 mg/L @ 20 °C (exp)

Cosmetic Information

CosIng	cosmetic data
Cosmetic Uses	cosmetic colorants

No sensory data available

Safety Information

Preferred SDS	View
Oral/Parenteral Toxicity	intraperitoneal-rat LD50 600 mg/kg
Dermal Toxicity	Not determined
Inhalation Toxicity	Not determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Category	coloring agents (for surface only)
Recommendation for ci 11920 usage levels up to	not for fragrance use.
Recommendation for ci 11920 flavor usage levels up to	not for flavor use.

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2051-85-6 Sudan Orange G 95%

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GT2807 Sudan Orange G (C.I. 11920)

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Potential Uses

cosmetic colorants

Natural Occurrence

not found in nature

Synonyms

1,3- benzenediol, 4-(phenylazo)- c.i. 11920 C.I. solvent orange 1 (8CI) 2,4- dibenzeneazoresorcinol 2,4- dihydroxyazobenzene food orange 3 (4Z)-3- hydroxy-4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one 4-( phenyl azo)resorcinol 4-( phenylazo)-1,3-benzenediol 4-( phenylazo)resorcinol resorcinol, 4-(phenylazo)- solvent orange 1 sudan orange G Try the PubMed Search.