Registration Dossier
Registration Dossier
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EC number: 201-159-0 | CAS number: 78-93-3
Flammability
Administrative data
Link to relevant study record(s)
- 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 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
- Endpoint:
- flammable liquids: obsolete as covered by section 'Flash point'
- Data waiving:
- study technically not feasible
- Justification for data waiving:
- the study does not need to be conducted because the substance is a liquid
- Endpoint:
- pyrophoric liquids
- Data waiving:
- study technically not feasible
- Justification for data waiving:
- the study does not need to be conducted because the substance is known to be stable in contact with air at room temperature for prolonged periods of time (days) and hence, the classification procedure does not need to be applied
Referenceopen allclose all
Description of key information
- Is extremely flammable (based on a measured flash point of -6 and -9°C and boiling point 79.6°C)
- In contact with water does not emit a flammable gas based on chemical structure
- Is not pyrophoric
The substance, methyl ethyl ketone:
Key value for chemical safety assessment
- Flammability:
- flammable
Additional information
The flammability study is not required for liquids as flammability is assessed on the basis of flash point.
There is no indication on the basis of chemical structure and experience in handling and use that the substance is pyrophoric (flammable in contact with air) or flammable in contact with water.
Therefore, in accordance with Section 1 of REACH Annex XI, there is no need to conduct further flammability testing.
A lower explosion limit of 1% and an upper explosion limit of 11% was reported for the substance in a handbook or collection of reliable data which has been subject to peer-review.
Justification for classification or non-classification
Flammable liquid:
The substance is classified as a Flammable Liquid Category 2 (H225: Highly Flammable liquid and vapour) according to Regulation 1272/2008. This is on the basis of a measured flash point of -6°C and -9°C and boiling point of 79.6°C.
Flammability in contact with air:
There is no indication to classify the substance for this hazard on the basis of Regulation (EC) No. 1272/2008.
Flammability in contact with water:
There is no indication to classify the substance for this hazard on the basis of Regulation (EC) No. 1272/2008.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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