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Physical & Chemical properties

Flammability

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Endpoint:
pyrophoric liquids
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the organic substance does not contain metals or metalloids and hence, the classification procedure does not need to be applied
Endpoint:
self-heating substances / mixtures
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the substance is completely molten at 160°C
Endpoint:
substances / mixtures which in contact with water emit flammable gases
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the organic substance does not contain metals or metalloids and hence, the classification procedure does not need to be applied
the study does not need to be conducted because the experience in production or handling shows that the substance does not react with water, e.g. the substance is manufactured with water or washed with water
the study does not need to be conducted because the substance is known to be soluble in water to form a stable mixture
Justification for type of information:
In accordance with the ECHA guidance R7a (Jul. 2015) and the Guidance on the Application of the CLP criteria (June 2015), trifluoroethanol is not considered as substance which, in contact with water, emits flammable gazes because the chemical structure of the substance does not contain metals or metalloids and trifluoroethanol is known to be soluble in water to form a stable mixture.

Description of key information

Based on the retained flashpoint value of 29.5°C, Trifluoroethanol is classified as flammable liquid, category 3 (H226)

Not pyrophoric. No release of flammable gases if contact with water (waived). No self-heating anticipated (waived).

Key value for chemical safety assessment

Flammability:
flammable

Additional information

As the substance is a liquid, the relevant test for classification regarding flammable poperties is the flashpoint measurement. A fully reliable experimental study is presented under section 4.11.

Based on the chemical structure and experience, no flammable properties are anticipated in contact with air or water, or no self-heating for liquids, therefore studies were deemed unnecessary.

Justification for classification or non-classification

Based on the flash point value of 29.5°C, TFE is classified as flammable (liquid) category 3 according to Regulation N°1272/2008 (CLP).