*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UG0800000
CHEMICAL NAME           : Propionitrile, 2,2'-azobis(2-methyl-
CAS REGISTRY NUMBER     : 78-67-1
LAST UPDATED            : 199710
DATA ITEMS CITED        : 15
MOLECULAR FORMULA       : C8-H12-N4
MOLECULAR WEIGHT        : 164.24
WISWESSER LINE NOTATION : NCX1&1&NUNX1&1&CN
SYNONYMS/TRADE NAMES :
   * Aceto AZIB
   * AIBN
   * Azobisisobutylonitrile
   * Azobisisobutyronitrile
   * alpha,alpha'-Azobisisobutylonitrile
   * 2,2'-Azobis(isobutyronitrile)
   * 2,2'-Azobis(2-methylpropionitrile)
   * alpha,alpha'-Azodiisobutyronitrile
   * 2,2'-Azodiisobutyronitrile
   * 2,2'-Dicyano-2,2'-azopropane
   * Poly-Zole AZDN
   * Porofor 57
   * Porophor N
   * VAZO 64
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 100 mg/kg
TOXIC EFFECTS :
   Behavioral - general anesthetic
   Behavioral - somnolence (general depressed activity)
   Behavioral - ataxia
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0555369
 
TYPE OF TEST            : LC - Lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >12 gm/m3/4H
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - conjunctive irritation
   Behavioral - excitement
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0555369
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 25 mg/kg
TOXIC EFFECTS :
   Behavioral - general anesthetic
   Behavioral - somnolence (general depressed activity)
   Behavioral - ataxia
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0555369
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 30 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   ATXKA8 Archiv fuer Toxikologie.  (Berlin, Fed. Rep. Ger.)  V.15-31, 1954-74.
    For publisher information, see ARTODN.  Volume(issue)/page/year:
   16,367,1957
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 700 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85KYAH "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals",
   11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989 Volume(issue)/page/year:
   11,146,1989
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 25 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: AD691-490
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 40 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   ATXKA8 Archiv fuer Toxikologie.  (Berlin, Fed. Rep. Ger.)  V.15-31, 1954-74.
    For publisher information, see ARTODN.  Volume(issue)/page/year:
   16,367,1957
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 50 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   ATXKA8 Archiv fuer Toxikologie.  (Berlin, Fed. Rep. Ger.)  V.15-31, 1954-74.
    For publisher information, see ARTODN.  Volume(issue)/page/year:
   16,367,1957
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 50 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   ATXKA8 Archiv fuer Toxikologie.  (Berlin, Fed. Rep. Ger.)  V.15-31, 1954-74.
    For publisher information, see ARTODN.  Volume(issue)/page/year:
   16,367,1957
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2200 mg/kg/11D-C
TOXIC EFFECTS :
   Gastrointestinal - other changes
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
   Related to Chronic Data - death
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0555369

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 84048
       No. of Facilities: 63 (estimated)
       No. of Industries: 4
       No. of Occupations: 7
       No. of Employees: 640 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 84048
       No. of Facilities: 89 (estimated)
       No. of Industries: 7
       No. of Occupations: 21
       No. of Employees: 4313 (estimated)
       No. of Female Employees: 116 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(e) Risk Notification, 8EHQ-0892-8909
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***