*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : HT0362500
CHEMICAL NAME           : Dicarbonic acid, dimethyl ester
CAS REGISTRY NUMBER     : 4525-33-1
LAST UPDATED            : 199806
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C4-H6-O5
SYNONYMS/TRADE NAMES :
   * Dimethyl dicarbonate
   * Dimethyl pyrocarbonate
   * Formic acid, oxydi-, dimethyl ester
   * Methyl pyrocarbonate
   * Velcorin
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 711 mg/m3/4H
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - tremor
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0545284
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 50 mg/m3/6H/5D-I
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - other changes
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
   Related to Chronic Data - death
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0545284

                          *** STATUS IN U.S. ***
 
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***