*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : QE5775000 CHEMICAL NAME : Morpholine, 4-methyl- CAS REGISTRY NUMBER : 109-02-4 LAST UPDATED : 199710 DATA ITEMS CITED : 16 MOLECULAR FORMULA : C5-H11-N-O MOLECULAR WEIGHT : 101.17 WISWESSER LINE NOTATION : T6N DOTJ A1 COMPOUND DESCRIPTOR : Primary Irritant SYNONYMS/TRADE NAMES : * 4-Methylmorfolin * N-Methylmorpholine * 4-Methylmorpholine * Morpholine, N-methyl- *** HEALTH HAZARD DATA *** ** SKIN/EYE IRRITATION DATA ** TYPE OF TEST : Open irritation test ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 460 mg REACTION SEVERITY : Mild REFERENCE : UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 6/30/1959 TYPE OF TEST : Standard Draize test ROUTE OF EXPOSURE : Administration into the eye SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 920 ug REACTION SEVERITY : Severe REFERENCE : UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 6/30/1959 TYPE OF TEST : Standard Draize test ROUTE OF EXPOSURE : Administration into the eye SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 20 mg/24H REACTION SEVERITY : Mild REFERENCE : 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,888,1986 ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 1960 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,85,1982 TYPE OF TEST : LCLo - Lowest published lethal concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 2000 ppm/4H TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 31,60,1949 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1970 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961- Volume(issue)/page/year: 15,116,1979 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 25200 mg/m3/2H TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961- Volume(issue)/page/year: 15,116,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 1350 uL/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 31,60,1949 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Mammal - species unspecified DOSE/DURATION : 1917 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 39(4),86,1974 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 5 mg/m3;Skin JAN 1993 OEL-SWEDEN:TWA 5 ppm (20 mg/m3);STEL 10 ppm (40 mg/m3);Skin JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M0796 No. of Facilities: 123 (estimated) No. of Industries: 6 No. of Occupations: 8 No. of Employees: 1453 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M0796 No. of Facilities: 212 (estimated) No. of Industries: 6 No. of Occupations: 6 No. of Employees: 3141 (estimated) No. of Female Employees: 125 (estimated) *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY EPA TSCA Section 8(d) unpublished health/safety studies EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***