*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : ET4731500
CHEMICAL NAME           : Butyric acid, 2-hydroxy-4-(methylthio)-
CAS REGISTRY NUMBER     : 583-91-5
LAST UPDATED            : 199710
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C5-H10-O3-S
MOLECULAR WEIGHT        : 150.21
SYNONYMS/TRADE NAMES :
   * Alimet
   * Butanoic acid, 2-hydroxy-4-(methylthio)-
   * 2-Hydroxy-4-(methylthio)butanoic acid
   * Methionine hydroxy analog
   * MHA acid
   * MHA-FA
 
                       *** 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           : 3478 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TOLED5 Toxicology Letters.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1977-  Volume(issue)/page/year:
   31(Suppl),54,1986

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 83811
       No. of Facilities: 92 (estimated)
       No. of Industries: 2
       No. of Occupations: 3
       No. of Employees: 440 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***