*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TG6720000
CHEMICAL NAME           : Phosphorous acid, butyl ester
CAS REGISTRY NUMBER     : 16456-56-7
BEILSTEIN REFERENCE NO. : 0969857
REFERENCE               : 3-01-00-01509 (Beilstein Handbook Reference)
LAST UPDATED            : 199701
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C4-H11-O3-P
MOLECULAR WEIGHT        : 138.12
WISWESSER LINE NOTATION : QPQO4
SYNONYMS/TRADE NAMES :
   * Butylfosfit
   * Butyl phosphite
   * Monobutyl phosphite
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >250 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCNSA6 National Academy of Sciences, National Research Council,
   Chemical-Biological Coordination Center, Review.  (Washington, DC)
   Volume(issue)/page/year: 5,38,1953
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1640 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
REFERENCE :
   AMIHAB AMA Archives of Industrial Health.  (Chicago, IL)  V.11-21, 1955-60.
   For publisher information, see AEHLAU.  Volume(issue)/page/year: 11,487,1955

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***