*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MX6700000 CHEMICAL NAME : Hydroquinone, methyl- CAS REGISTRY NUMBER : 95-71-6 OTHER CAS REGISTRY NOS. : 96937-50-7 BEILSTEIN REFERENCE NO. : 2041489 REFERENCE : 4-06-00-05866 (Beilstein Handbook Reference) LAST UPDATED : 199706 DATA ITEMS CITED : 7 MOLECULAR FORMULA : C7-H8-O2 MOLECULAR WEIGHT : 124.15 WISWESSER LINE NOTATION : L6V DVJ B1 SYNONYMS/TRADE NAMES : * 1,4-Benzenediol, 2-methyl- * 2,5-Dihydroxytoluene * 2-Methyl-1,4-benzenediol * Methylhydroquinone * Methyl-p-hydroquinone * 2-Methylhydroquinone * THQ * 2,5-Toluenediol * p-Toluhydroquinol * Toluhydroquinone * p-Toluhydroquinone * Toluquinol * p-Toluquinol * Tolylhydroquinone *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 200 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 200 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >400 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : >1 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: 21MAY1971 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83745 No. of Facilities: 16 (estimated) No. of Industries: 1 No. of Occupations: 4 No. of Employees: 948 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83745 No. of Facilities: 77 (estimated) No. of Industries: 3 No. of Occupations: 5 No. of Employees: 2767 (estimated) No. of Female Employees: 806 (estimated) *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY *** END OF RECORD ***