*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DA3685000
CHEMICAL NAME           : Benzene,
                          1-(1-isocyanato-1-methylethyl)-3-(1-methylethenyl)-
CAS REGISTRY NUMBER     : 2094-99-7
BEILSTEIN REFERENCE NO. : 2642954
LAST UPDATED            : 199712
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C13-H15-N-O
MOLECULAR WEIGHT        : 201.29
SYNONYMS/TRADE NAMES :
   * alpha,alpha-Dimethyl-m-isopropenyl benzyl isocyanate
   * 1-(1-Isocyanato-1-methylethyl)-3-(1-methylethenyl)benzene
   * Isocyanic acid, m-isopropenyl-alpha,alpha-dimethyl benzyl ester
   * m-TMI
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3100 ug/kg
TOXIC EFFECTS :
   Gastrointestinal - gastritis
   Gastrointestinal - other changes
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0546191
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0546191
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 750 mg/m3/1H
TOXIC EFFECTS :
   Sense Organs and Special Senses (Olfaction) - effect, not otherwise
   specified
   Lungs, Thorax, or Respiration - chronic pulmonary edema
   Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
   ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology,
   Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128)  V.1-
   1990-  Volume(issue)/page/year: 1,43,1990

                          *** 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   EPA TSCA Section 8(d) unpublished health/safety studies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 ***