*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TH3945000
CHEMICAL NAME           : Phosphorus oxide
CAS REGISTRY NUMBER     : 1314-56-3
LAST UPDATED            : 199710
DATA ITEMS CITED        : 16
MOLECULAR FORMULA       : O5-P2
MOLECULAR WEIGHT        : 141.94
WISWESSER LINE NOTATION : .P2..O5
SYNONYMS/TRADE NAMES :
   * Diphosphorus pentoxide
   * Phosphorus(V) oxide
   * Phosphorus pentaoxide
 
                       *** 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           : 1217 mg/m3/1H
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - chronic pulmonary edema
   Lungs, Thorax, or Respiration - other changes
   Blood - hemorrhage
REFERENCE :
   TOXID9 Toxicologist.  (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway,
   Akron, OH 44311) V.1-    1981-  Volume(issue)/page/year: 1,140,1981
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 271 mg/m3/1H
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - chronic pulmonary edema
   Lungs, Thorax, or Respiration - other changes
   Blood - hemorrhage
REFERENCE :
   TOXID9 Toxicologist.  (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway,
   Akron, OH 44311) V.1-    1981-  Volume(issue)/page/year: 1,140,1981
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 1689 mg/m3/1H
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - chronic pulmonary edema
   Lungs, Thorax, or Respiration - other changes
   Blood - hemorrhage
REFERENCE :
   TOXID9 Toxicologist.  (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway,
   Akron, OH 44311) V.1-    1981-  Volume(issue)/page/year: 1,140,1981
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 61 mg/m3/1H
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - chronic pulmonary edema
   Lungs, Thorax, or Respiration - other changes
   Blood - hemorrhage
REFERENCE :
   TOXID9 Toxicologist.  (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway,
   Akron, OH 44311) V.1-    1981-  Volume(issue)/page/year: 1,140,1981

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-DENMARK:TWA 1 mg/m3 JAN 1993
   
   OEL-GERMANY:TWA 1 mg/m3 JAN 1993
   
   OEL-HUNGARY:TWA 1 mg/m3;STEL 2 mg/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 1 mg/m3 JAN 1993
   
   OEL-POLAND:TWA 1 mg/m3 JAN 1993
   
   OEL-RUSSIA:STEL 1 mg/m3;Skin JAN 1993
   
   OEL-SWITZERLAND:TWA 1 mg/m3;STEL 2 mg/m3 JAN 1993
   
   OEL-TURKEY:TWA 1 mg/m3 JAN 1993

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 59115
       No. of Facilities: 1139 (estimated)
       No. of Industries: 25
       No. of Occupations: 43
       No. of Employees: 13561 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 59115
       No. of Facilities: 4491 (estimated)
       No. of Industries: 58
       No. of Occupations: 46
       No. of Employees: 84850 (estimated)
       No. of Female Employees: 15744 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***