*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GS7000000
CHEMICAL NAME           : Cyanic acid, sodium salt
CAS REGISTRY NUMBER     : 917-61-3
LAST UPDATED            : 199703
DATA ITEMS CITED        : 13
MOLECULAR FORMULA       : C-N-O.Na
MOLECULAR WEIGHT        : 65.01
WISWESSER LINE NOTATION :  NA  OCN
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Human
SYNONYMS/TRADE NAMES :
   * Cyansan
   * San-cyan
   * Sodium cyanate
   * Sodium isocyanate
   * Weecon
   * Zassol
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human
DOSE/DURATION           : 5400 mg/kg/24W
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - visual field changes
   Sense Organs and Special Senses (Eye) - effect, not otherwise specified
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   AROPAW Archives of Ophthalmology (Chicago).  (AMA, 535 N. Dearborn St.,
   Chicago, IL 60610)  New series: V.1-44(3), 1929-50; V.64-    1960-
   Volume(issue)/page/year: 94,927,1976
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
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
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 310 mg/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Behavioral - convulsions or effect on seizure threshold
   Kidney, Ureter, Bladder - urine volume increased
REFERENCE :
   BJPCAL British Journal of Pharmacology and Chemotherapy.  (London, UK)
   V.1-33, 1946-68.  For publisher information, see BJPCBM.
   Volume(issue)/page/year: 1,186,1946
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Behavioral - excitement
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 55(8),30,1990
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 4 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   APFRAD Annales Pharmaceutiques Francaises.  (SPPIF, B.P.22, F-41353 Vineuil,
   France)  V.1-    1943-  Volume(issue)/page/year: 19,740,1961
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 260 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
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 400 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Behavioral - excitement
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 55(8),30,1990
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Parenteral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 840 mg/kg/14D-I
TOXIC EFFECTS :
   Behavioral - sleep
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
   Related to Chronic Data - death
REFERENCE :
   BJPCAL British Journal of Pharmacology and Chemotherapy.  (London, UK)
   V.1-33, 1946-68.  For publisher information, see BJPCBM.
   Volume(issue)/page/year: 1,186,1946
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 182 mg/kg/26W-I
TOXIC EFFECTS :
   Liver - liver function tests impaired
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - phosphatases
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 55(8),30,1990
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 1100 mg/kg/18D-I
TOXIC EFFECTS :
   Behavioral - sleep
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
   Related to Chronic Data - death
REFERENCE :
   BJPCAL British Journal of Pharmacology and Chemotherapy.  (London, UK)
   V.1-33, 1946-68.  For publisher information, see BJPCBM.
   Volume(issue)/page/year: 1,186,1946

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - A1310
       No. of Facilities: 10 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 10 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - A1310
       No. of Facilities: 3 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 10 (estimated)
       No. of Female Employees: 3 (estimated)

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

 
                            *** END OF RECORD ***