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EC number: 200-756-3
CAS number: 71-55-6
Presently, the environmental
classification of 1,1,1-trichloroethane according to dir. 67/548, annex
1 and 1272/2008 regulation, annex 6, table 3.2 is
N - Dangerous for the
R59 - Dangerous for the ozone
According to the acute aquatic toxicity data that sets in the range 10
-100 mg/l. Chronic toxicity data are available for the 3 trophic levels
and are above 1 mg/l. The substance is not rapidly biodegradable but has
low potential for bioaccumulation. According to talbe 4.1.0 of
Commission Regulation No 286/2011 (2nd ATP to CLP regulation), 1,1,1
-trichloroethane is not to be classified as dangerous to the aquatic
According to Commission Regulation No 286/2011, 1,1,1 -trichloroethane
is not to be classified as hazardous to the ozone layer "H420: Harms
public health and the environment by destroying ozone in the upper
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