*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : JH2796000 CHEMICAL NAME : 1,3-Dioxa-2-silacyclopentane, 4-(chloromethyl)-2,2-dimethyl- CAS REGISTRY NUMBER : 73639-62-0 LAST UPDATED : 198910 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C5-H11-Cl-O2-Si MOLECULAR WEIGHT : 166.70 COMPOUND DESCRIPTOR : Organometallic Reproductive Effector SYNONYMS/TRADE NAMES : * 4-(Chloromethyl)-2,2-dimethyl-1,3-dioxa-2-silacyclopentane * 2,2-Dimethyl-4-(chloromethyl)-1,3-dioxa-2-silacyclopentane * SOC *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 500 mg/kg TOXIC EFFECTS : Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) REFERENCE : CMBID4 Cellular and Molecular Biology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.22- 1977- Volume(issue)/page/year: 29,299,1983 ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE : 525 mg/kg SEX/DURATION : male 21 day(s) pre-mating TOXIC EFFECTS : Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) REFERENCE : CMBID4 Cellular and Molecular Biology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.22- 1977- Volume(issue)/page/year: 29,299,1983 *** END OF RECORD ***