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TETRAHYDROTHIOPHENE 1,1-DIOXIDE Page 4 of 5 (126-33-0) 12. Ecological Information Environmental Fate: When released into the soil,this material may biodegrade to a moderate extent.When released into the soil,this material is expected to leach into groundwater.When released into the soil,this material is not expected to evaporate significantly.When released into water,this material may biodegrade to a moderate extent.When released into water, this material is not expected to evaporate significantly.This material has an estimated bioconcentration factor(BCF)of less than 100.This material has a log octanol-water partition coefficient of less than 3.0.This material is not expected to significantly bioaccumulate.When released into the air,this material is expected to be readily degraded by reaction with photochemically produced hydroxyl radicals.When released into the air,this material is expected to be readily removed from the atmosphere by wet deposition.When released into the air,this material is expected to have a half- life between 1 and 10 days. Environmental Toxicity: No information found. 13.Disposal Considerations Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility.Processing,use or contamination of this product may change the waste management options.State and local disposal regulations may differ from federal disposal regulations.Dispose of container and unused contents in accordance with federal,state and local requirements. 14. 'Transport Information Not regulated. 15. Regulatory Information --------\Chemical Inventory Status - Part 1\---------------------------------- Ingredient TSCA EC Japan Australia ----------------------------------------------- ---- --- ----- ---------- Thiophene, Tetrahydro-, 1,1-dioxide (126-33-0) Yes Yes Yes Yes --------\Chemical Inventory Status - Part 2\--------------------------------- --Canada-- Ingredient Korea DSL NDSL Phil. ----------------------------------------------- ----- --- ---- ----- Thiophene, Tetrahydro-, 1,1-dioxide (126-33-0) Yes Yes No Yes --------\Federal, State & International Regulations - Part 1\---------------- -SARA 302- ------SARA 313------ Ingredient RQ TPQ List Chemical Catg. ------------------------------------------ --- ----- ---- -------------- Thiophene, Tetrahydro-, 1,1-dioxide No No No No (126-33-0) ---------\Federal, State & International Regulations - Part 2\---------------- -RCRA- -TSCA- Ingredient CERCLA 261.33 8(d) ----------------------------------------- ------ ------ ------ Thiophene, Tetrahydro-, 1,1-dioxide No No No (126-33-0) Chemical Weapons Convention: No TSCA 12(b) : No CDTA: No SARA 311/312: Acute: Yes Chronic: Yes Fire: No Pressure: No Reactivity: No (Pure / Liquid) http://www.jtbaker.com/msds/tl332.htm 02/21/2001