Also known as: Methyl chloroform, 1,1,1-TCA
Chemical reference number (CAS): 71-55-61

1,1,1-TCA is a colorless liquid that evaporates quickly at room temperature. It’s used as a metal degreasing and dry-cleaning solvent. It’s also used to make other organic chemicals. 1,1,1-TCA can also be found in aerosol spray products found in the home. When 1,1,1-TCA enters the environment, it can seep into soil and groundwater or evaporate into the air.

(P-44354  Revised 05/2012)

This fact sheet summarizes information about this chemical and is not a complete listing of all possible effects. It does not refer to work exposure or emergency situations.


Last Revised: November 23, 2015