*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MF3990000 CHEMICAL NAME : Guanidine, 1-methyl-, hydrochloride CAS REGISTRY NUMBER : 21770-81-0 LAST UPDATED : 199009 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C2-H7-N3.Cl-H MOLECULAR WEIGHT : 109.58 SYNONYMS/TRADE NAMES : * 1-Methylguanidine hydrochloride * Methylguanidine monohydrochloride *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 375 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 28,251,1926 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 680 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CKFRAY Ceskoslovenska Farmacie. (PNS-Ustredni Expedice a Dovoz Tisku, Kafkova 19, 160 00 Prague 6, Czechoslovakia) V.1- 1952- Volume(issue)/page/year: 1,434,1952 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 18 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04013 *** END OF RECORD ***