Agent Name

Oil Orange SS

CAS Number

2646-17-5

Formula

C17-H14-N2-O

Major Category

Dyes

Synonyms

1-((2-Methylphenyl)azo)-2-naphthalenol; 1-(o-Tolueneazo)-2-naphthol; 1-(o-Tolylazo)-beta-naphthol; 1-o-Tolylazo-2-naphthol; 2-Naphthalenol, 1-((2-methylphenyl)azo)-; 2-Naphthol, 1-(o-tolyazo)-; 2-Naphthol, 1-(o-tolylazo)-; A.F. Orange No. 2; AF Orange No. 2; Aizen Food Orange No. 2; Atul Oil Orange T; C.I. 12100; C.I. Solvent Orange 2; CI 12100; CI Solvent Orange 2; D & C Orange No. 2; D&C Orange No. 2; Dolkwal Orange SS; Ext D and C Orange No. 4; Extract D and C Orange No. 4; FD & C Orange 2; FD and C Orange No. 2; Fat Orange II; Fat Orange RR; Hexacol Oil Orange SS; Japan Orange 403; Lacquer Orange V; Oil Orange 204; Oil Orange OPEL; Oil Orange OT; Oil Orange Opel; Oil Orange SS; Oil Orange TX; Oil Orange XO; Oleal Orange SS; Orange 3R soluble in grease; Orange OT; Orange SS; Oranz SS [Czech]; Oranz rozpoustedlova 2 [Czech]; Organol Orange 2R; Toluene-2-azonaphthol-2; o-Tolueno-azo-beta-naphthol; [ChemIDplus]

Category

Azo Dyes

Description

Red or orange solid; [CAMEO]

Sources/Uses

Used as dye for varnishes, oils, fats, and waxes; [HSDB]

Comments

High-dose feeding studies of mice for 52 weeks: increased benign tumors and carcinomas of the intestine; [HSDB] May cause irritation; [CAMEO] May cause irritation; Targets the small intestine; [MSDSonline]

Restricted

In 1963, removed from the US approved list of dyes in food, drugs, and cosmetics; [IARC]

Adverse Effects
IARC Carcinogen

Possible Carcinogen

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Processes

Industrial Processes with risk of exposure: