*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : SC5425000
CHEMICAL NAME           : 4-Pentyn-2-one, 5-hydroxy-
CAS REGISTRY NUMBER     : 64011-43-4
LAST UPDATED            : 199510
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C5-H6-O2
MOLECULAR WEIGHT        : 98.11
WISWESSER LINE NOTATION : Q1UU2V1
COMPOUND DESCRIPTOR     : Agricultural Chemical
SYNONYMS/TRADE NAMES :
   * 1-Hydroxy-2-pentyne-4-one
   * TL 1150
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 50 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCNSA6 National Academy of Sciences, National Research Council,
   Chemical-Biological Coordination Center, Review.  (Washington, DC)
   Volume(issue)/page/year: 5,9,1953
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 500 mg/m3/10M
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NDRC** National Defense Research Committee, Office of Scientific Research
   and Development, Progress Report.  Volume(issue)/page/year: No.9-4-1-19,1943
 
                            *** END OF RECORD ***