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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Flash point

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Administrative data

Link to relevant study record(s)

flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Database with recommended values, approved for substance hazard assessments and subject to peer review.
Principles of method if other than guideline:
Experimental measurement (data is taken from a secondary source, information about the methodology is not available)
GLP compliance:
not specified
Type of method:
closed cup
Flash point:
71 °C
Atm. press.:
1 013 mBar
Remarks on result:
other: atmospheric pressure was assumed
Interpretation of results:
GHS criteria not met
A flash point value of 71°C at atmospheric pressure is reported in a handbook which has been subject to peer-review and in which is recommended for the use of chemical safety assessments by the PTB Germany. The result is considered to be reliable

Description of key information

Flash point: 71°C

Key value for chemical safety assessment

Flash point at 101 325 Pa:
71 °C

Additional information

 In 2010 the German Physical Standards Institute (PTB) has issued a recommended flash point for 3 -methoxy-3 -methyl-butan-1 -ol with the result FP = 71°C measured with closed cup apparatus, which was used as key study.

Other flashpoints are cited in the secondary literature range from: +68°C (MSDS Kuraray (2004)) to +71°C (MSDS Sigma Aldrich (2004)).