*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : MW2800000
CHEMICAL NAME           : Hydrazoic acid
CAS REGISTRY NUMBER     : 7782-79-8
LAST UPDATED            : 199701
DATA ITEMS CITED        : 10
MOLECULAR FORMULA       : H-N3
MOLECULAR WEIGHT        : 43.04
WISWESSER LINE NOTATION :   H  N3
COMPOUND DESCRIPTOR     : Human
SYNONYMS/TRADE NAMES :
   * Azoimide
   * Diazoimide
   * Hydrogen azide
   * Hydronitric acid
   * Stickstoffwasserstoffsaeure
   * Triazoic acid
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human
DOSE/DURATION           : 300 ppb
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
   Behavioral - somnolence (general depressed activity)
   Cardiac - change in rate
REFERENCE :
   JIHTAB Journal of Industrial Hygiene and Toxicology.  (Cambridge, MA)
   V.18-31, 1936-49.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 30,98,1948
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1100 ppm/1H
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - lacrimation
   Lungs, Thorax, or Respiration - dyspnea
   Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
   PHRPA6 Public Health Reports.  (U.S. Government Printing Office, Supt. of
   Documents, Washington, DC 20402)  V.1-    1878-  Volume(issue)/page/year:
   58,607,1943
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 22 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Behavioral - changes in motor activity (specific assay)
   Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
   JIHTAB Journal of Industrial Hygiene and Toxicology.  (Cambridge, MA)
   V.18-31, 1936-49.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 30,98,1948

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-DENMARK:STEL 0.1 ppm (0.2 mg/m3) JAN 1993
   
   OEL-GERMANY:TWA 0.1 ppm (0.27 mg/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 0.1 ppm (0.18 mg/m3);STEL 0.2 ppm JAN 1993
   
   OEL-UNITED KINGDOM:STEL 0.1 ppm (vapor) JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

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

 
                            *** END OF RECORD ***