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| CAS No.: | 131-79-3 |
|---|---|
| Name: | OIL YELLOW OB |
| Article Data: | 4 |
| Molecular Structure: | |
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| Formula: | C17H15 N3 |
| Molecular Weight: | 261.326 |
| Synonyms: | 2-Naphthalenamine,1-[(2-methylphenyl)azo]- (9CI); 2-Naphthylamine, 1-o-tolylazo- (6CI); C.I.Solvent Yellow 6 (7CI,8CI); 1-(o-Tolylazo)-2-naphthylamine; A.F. Yellow No.3;C.I. 11390; C.I. Food Yellow 11; Cerisol Yellow TB; Dolkwal Yellow OB; Ext. Dand C Yellow No. 10; FD and C Yellow No. 4; Japan Yellow 405; NSC 11234; OilYellow OB; Oil Yellow OB Pure; Yellow 405; Yellow OB;o-(2-Amino-1-naphthylazo)toluene; o-Toluene-1-azo-2-naphthylamine |
| Density: | 1.15g/cm3 |
| Melting Point: | 125-126° (Fischer) |
| Boiling Point: | 478.7°Cat760mmHg |
| Flash Point: | 243.3°C |
| Hazard Symbols: | Consult regulations before using in food products. |
| Safety: | A poison by ingestion. Moderately toxic by intraperitoneal and subcutaneous routes. Questionable carcinogen with experimental tumorigenic data. May be contaminated with the carcinogen β-naphthylamine. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also AROMATIC AMINES. |
| PSA: | 50.74000 |
| LogP: | 5.72700 |
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Chemistry
Chemical Name: Oil yellow OB
IUPAC NAME: 1-(2-Methylphenyl)diazenylnaphthalen-2-amine
CAS No.: 131-79-3
EINECS: 205-039-9
Molecular Formula: C17H15N3
Molecular Weight: 261.32 g/mol
Following is the structure of FD&C YELLOW No. 4 (CAS No.:131-79-3):
The chemical synonymous of FD&C YELLOW No. 4 (CAS No.:131-79-3) are 1-((2-Methylphenyl)azo)-2-naphthalenamine ; 1-(2-o-Tolylazo)-2-naphthylamine ; 1-(o-Tolylazo)-2-naphthylamin ; 1-(o-Tolylazo)-2-naphthylamine
Toxicity Data With Reference
| 1. | mma-sat 50 µg/plate | CANCAR Cancer. 49 (1982),1970. | ||
| 2. | orl-rat LD50:120 mg/kg | 85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum1986,1315. | ||
| 3. | orl-mus LDLo:1 g/kg | 85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum1986,1315. | ||
| 4. | orl-rbt LDLo:1 g/kg | JBCHA3 Journal of Biological Chemistry. 27 (1916),403. | ||
| 5. | ipr-rbt LDLo:1 g/kg | JBCHA3 Journal of Biological Chemistry. 27 (1916),403. | ||
| 6. | scu-rbt LDLo:1 g/kg | JBCHA3 Journal of Biological Chemistry. 27 (1916),403. |
Consensus Reports
IARC Cancer Review: Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 (1987),p. 56.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 8 (1975),p. 287.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . EPA Genetic Toxicology Program.
Safety Profile
A poison by ingestion. Moderately toxic by intraperitoneal and subcutaneous routes. Questionable carcinogen with experimental tumorigenic data. May be contaminated with the carcinogen β-naphthylamine. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also AROMATIC AMINES.