*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : WC4500000
CHEMICAL NAME           : Sodium monohydrogen phosphate (2:1:1)
CAS REGISTRY NUMBER     : 7558-79-4
LAST UPDATED            : 199701
DATA ITEMS CITED        : 11
MOLECULAR FORMULA       : H-O4-P.2Na
MOLECULAR WEIGHT        : 141.96
WISWESSER LINE NOTATION :  NA2 P-O-Q3
COMPOUND DESCRIPTOR     : Primary Irritant
SYNONYMS/TRADE NAMES :
   * Dibasic sodium phosphate
   * Disodium hydrogen phosphate
   * Disodium monohydrogen phosphate
   * Disodium orthophosphate
   * Disodium phosphate
   * Disodium phosphoric acid
   * Exsiccated sodium phosphate
   * Natriumphosphat
   * Soda phosphate
   * Sodium hydrogen phosphate
   * Sodium phosphate, dibasic
   * Phosphoric acid, disodium salt
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 500 mg/24H
REACTION SEVERITY       : Mild
REFERENCE :
   28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku,"
   Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu
   Praha, Czechoslovakia, 1972  Volume(issue)/page/year: -,16,1972
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 500 mg/24H
REACTION SEVERITY       : Mild
REFERENCE :
   28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku,"
   Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu
   Praha, Czechoslovakia, 1972  Volume(issue)/page/year: -,16,1972
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 17 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku,"
   Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu
   Praha, Czechoslovakia, 1972  Volume(issue)/page/year: -,16,1972
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BIZEA2 Biochemische Zeitschrift.  (Berlin, Ger.)  V.1-346, 1906-67.  For
   publisher information, see EJBCAI.  Volume(issue)/page/year: 163,226,1925
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BIZEA2 Biochemische Zeitschrift.  (Berlin, Ger.)  V.1-346, 1906-67.  For
   publisher information, see EJBCAI.  Volume(issue)/page/year: 163,226,1925
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BIZEA2 Biochemische Zeitschrift.  (Berlin, Ger.)  V.1-346, 1906-67.  For
   publisher information, see EJBCAI.  Volume(issue)/page/year: 163,226,1925
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 1075 mg/kg
TOXIC EFFECTS :
   Behavioral - tetany
REFERENCE :
   HXPHAU Handbuch der Experimentellen Pharmakologie.  (Berlin, Ger.)  New
   series: V.1-49, 1935-78. For publisher information, see HEPHD2.
   Volume(issue)/page/year: 10,361,1950

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION
   FEREAC Federal Register.  (U.S. Government Printing Office, Supt. of
   Documents, Washington, DC 20402) V.1-    1936-  Volume(issue)/page/year:
   54,7740,1989

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 83514
       No. of Facilities: 6564 (estimated)
       No. of Industries: 85
       No. of Occupations: 60
       No. of Employees: 57176 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 83514
       No. of Facilities: 21015 (estimated)
       No. of Industries: 166
       No. of Occupations: 135
       No. of Employees: 1230592 (estimated)
       No. of Female Employees: 912048 (estimated)

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

 
                            *** END OF RECORD ***