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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Flammability

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
flammable solids
Data waiving:
study technically not feasible
Justification for data waiving:
the study does not need to be conducted because the substance is a liquid

Description of key information

This substance is a liquid and therefore this endpoint is not relevant as it has been superceded by flash point and autoflammability.

There is no data available for 2,3 -dimethylbutane. Data is available for Hydrocarbons, C6, isoalkanes, <5%, n-hexane and Isohexane and this data is used for read across, based on an analogue approach to 2,3 -dimethylbutane.

The upper and lower  flammability ranges for Hydrocarbons, C6, isoalkanes, <5% n-hexane and Isohexane are 1.0 and 7.4 % v/v.

Key value for chemical safety assessment

Flammability:
flammable

Additional information

Justification for classification or non-classification

There is no data available for 2,3 -Dimethylbutane. Data is available for Hydrocarbons, C6, isoalkanes, <5% n-hexane and Isohexane and this data is used for read across to 2,3 -Dimethylbutane.

 

Based on available read across data, 2,3 -Dimethylbutane warrants classification as Category 2 for flammability (H225) under the Regulation (EC) 1272/2008 on classification, labelling and packaging of substances and mixtures (CLP).