*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TG7875000
CHEMICAL NAME           : Phosphorous acid, diethyl ester
CAS REGISTRY NUMBER     : 762-04-9
BEILSTEIN REFERENCE NO. : 0605759
REFERENCE               : 4-01-00-01329 (Beilstein Handbook Reference)
LAST UPDATED            : 199710
DATA ITEMS CITED        : 7
MOLECULAR FORMULA       : C4-H11-O3-P
MOLECULAR WEIGHT        : 138.12
WISWESSER LINE NOTATION : 2OPQO2
SYNONYMS/TRADE NAMES :
   * Diethylfosfit
   * Diethyl hydrogen phosphite
   * Diethyl phosphite
 
                       *** 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           : 3900 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ALBRW* Albright & Wilson Inc.  (P.O. Box 26229, Richmond, VA 23260-6229)
   Volume(issue)/page/year: #OPB-3,1984
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 2020 uL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   30,470,1969

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 82805
       No. of Facilities: 41 (estimated)
       No. of Industries: 1
       No. of Occupations: 3
       No. of Employees: 352 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 82805
       No. of Facilities: 84 (estimated)
       No. of Industries: 1
       No. of Occupations: 2
       No. of Employees: 505 (estimated)

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   EPA TSCA Section 8(d) unpublished health/safety studies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