*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GS6825000
CHEMICAL NAME           : Cyanic acid, potassium salt
CAS REGISTRY NUMBER     : 590-28-3
LAST UPDATED            : 199710
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C-N-O.K
MOLECULAR WEIGHT        : 81.12
WISWESSER LINE NOTATION :  KA  OCN
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Drug
SYNONYMS/TRADE NAMES :
   * Aero cyanate
   * Aero cyanate weedkiller
   * Alicyanate
   * Bonide krab crabgrass killer
   * Bulpur
   * Ded-weed crabgrass killer
   * D&P double O Crabgrass killer
   * Dupont PC crabgrass killer
   * Green cross crabgrass killer
   * Kaliumcyanat
   * Miller P.C. weedkiller
   * P.C. 80 crabgrass killer
   * Potassium cyanate
   * Potassium isocyanate
   * Weedanol cyanol
   * Weedone Crab Grass Killer
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 841 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PCOC** Pesticide Chemicals Official Compendium, Association of the American
   Pesticide Control Officials, Inc., 1966.  (Topeka, KS)
   Volume(issue)/page/year: -,925,1966
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 320 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - convulsions or effect on seizure threshold
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 185,653,1973

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X3932
       No. of Facilities: 78 (estimated)
       No. of Industries: 5
       No. of Occupations: 5
       No. of Employees: 165 (estimated)
       No. of Female Employees: 3 (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   EPA TSCA Section 8(d) unpublished health/safety studies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 ***