*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XZ2301300
CHEMICAL NAME           : 1,2,4-Triazin-5(4H)one,
                          4-amino-6-(1,1-dimethylethyl)-3-(ethylthio)-
CAS REGISTRY NUMBER     : 64529-56-2
OTHER CAS REGISTRY NOS. : 88529-03-7
BEILSTEIN REFERENCE NO. : 5023567
LAST UPDATED            : 199710
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C9-H16-N4-O-S
MOLECULAR WEIGHT        : 228.35
COMPOUND DESCRIPTOR     : Agricultural Chemical
SYNONYMS/TRADE NAMES :
   * 4-Amino-6-(1,1-dimethylethyl)-3-(ethylthio)-1,2,4-triazin-5(4H)-one
   * BAY dic 1559
   * BAY smy 1500
   * Ethiozin
   * Ethyl metribuzin
   * Lektan
   * SMY 1500
   * Tycor
 
                       *** 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           : 1280 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PBCWDF Proceedings of the British Crop Protection Conference - Weeds.
   (British Crop Protection Council, 2A Kidderminster Rd., Croydon, CRO 2UE,
   UK) 1976-  Volume(issue)/page/year: -,35,1985
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >5 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FMCHA2 Farm Chemicals Handbook.  (Meister Pub., 37841 Euclid Ave.,
   Willoughy, OH 44094)  Volume(issue)/page/year: -,C37,1991
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PEMNDP Pesticide Manual.  (The British Crop Protection Council, 20 Bridport
   Rd., Thornton Heath CR4 7QG, UK)  V.1-    1968-  Volume(issue)/page/year:
   9,27,1991
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : >5 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PEMNDP Pesticide Manual.  (The British Crop Protection Council, 20 Bridport
   Rd., Thornton Heath CR4 7QG, UK)  V.1-    1968-  Volume(issue)/page/year:
   9,27,1991

                          *** STATUS IN U.S. ***
 
   On EPA IRIS database
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***