*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : ES3480000
CHEMICAL NAME           : Butyraldehyde, 2-methylene-
CAS REGISTRY NUMBER     : 922-63-4
BEILSTEIN REFERENCE NO. : 1098378
REFERENCE               : 4-01-00-03463 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C5-H8-O
MOLECULAR WEIGHT        : 84.13
COMPOUND DESCRIPTOR     : Mutagen
SYNONYMS/TRADE NAMES :
   * Butanal, 2-methylene-
   * Ethacrolein
   * Ethylacrolein
   * alpha-Ethylacrolein
   * 2-Ethylacrolein
   * alpha-Ethylacrylaldehyde
   * 2-Ethylpropenal
   * 2-Methylenebutanal
   * 2-Methylenebutyraldehyde
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 289 ppm/4H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXCYAC Toxicology.  (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
   Limerick, Ireland) V.1-    1973-  Volume(issue)/page/year: 22,79,1981
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 48400 ppb/6H/13W-I
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - changes in lung weight
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
   Related to Chronic Data - changes in ovarian weight
REFERENCE :
   TXCYAC Toxicology.  (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
   Limerick, Ireland) V.1-    1973-  Volume(issue)/page/year: 22,79,1981
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 1 umol/plate
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 264,193,1991
 
                            *** END OF RECORD ***