*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : MM3470000
CHEMICAL NAME           : 1,5-Hexadien-3-yne, 2-methyl-
CAS REGISTRY NUMBER     : 820-54-2
BEILSTEIN REFERENCE NO. : 1734247
REFERENCE               : 4-01-00-01122 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C7-H8
MOLECULAR WEIGHT        : 92.15
SYNONYMS/TRADE NAMES :
   * Methyl divinyl acetylene
   * 2-Methyl-1,5-hexadiene-3-yne
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1600 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis)
REFERENCE :
   WADTAA Wright Air Development Center, Technical Report, U.S. Air Force.
   (Wright-Patterson Air Force Base, OH 45433)  Volume(issue)/page/year:
   55-250,2,1955
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 24500 mg/m3
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - excitement
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 48(10),89,1983
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2 gm/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
REFERENCE :
   WADTAA Wright Air Development Center, Technical Report, U.S. Air Force.
   (Wright-Patterson Air Force Base, OH 45433)  Volume(issue)/page/year:
   55-250,2,1955
 
                            *** END OF RECORD ***