*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : WA1900000
CHEMICAL NAME           : Sodium dihydrogen phosphate (1:2:1)
CAS REGISTRY NUMBER     : 7558-80-7
LAST UPDATED            : 199701
DATA ITEMS CITED        : 8
MOLECULAR FORMULA       : H2-O4-P.Na
MOLECULAR WEIGHT        : 119.98
WISWESSER LINE NOTATION :  NA  P-O2-Q2
COMPOUND DESCRIPTOR     : Primary Irritant
SYNONYMS/TRADE NAMES :
   * Monosodium dihydrogen phosphate
   * Monosodium phosphate
   * Monosorb XP-4
   * Primary sodium phosphate
   * Sodium acid phosphate
   * Sodium biphosphate
   * Sodium biphosphate anhydrous
   * Sodium phosphate, monobasic
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Human
DOSE/DURATION           : 50 mg
REACTION SEVERITY       : Mild
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 9,349,1959
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 150 mg
REACTION SEVERITY       : Mild
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 9,349,1959
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 8290 mg/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            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 250 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EMSUA8 Experimental Medicine and Surgery.  (Brooklyn, NY)  V.1-29, 1943-71.
   Suspended.  Volume(issue)/page/year: 4,223,1946

                    *** 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 - 83818
       No. of Facilities: 9820 (estimated)
       No. of Industries: 107
       No. of Occupations: 77
       No. of Employees: 49018 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 83818
       No. of Facilities: 13232 (estimated)
       No. of Industries: 123
       No. of Occupations: 104
       No. of Employees: 289281 (estimated)
       No. of Female Employees: 145939 (estimated)

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

 
                            *** END OF RECORD ***