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Physical & Chemical properties

Boiling point

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boiling point
Type of information:
experimental study
read-across on structural analogue
Adequacy of study:
key study
Study period:
From September 23,2008 to November 20,2008
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP with certificate.The study is clear and complete in any parts. The substance is well identified, the method is suitable for the substance. Result in read across based on grouping of substances
according to guideline
EU Method A.2 (Boiling Temperature)
according to guideline
OECD Guideline 103 (Boiling point/boiling range)
GLP compliance:
yes (incl. QA statement)
Type of method:
differential thermal analysis
Boiling pt.:
>= 344.7 - <= 354.3 °C
Atm. press.:
ca. 101.325 kPa
Remarks on result:
other: Temperature corrected as the mean pressure in the laboratory was 101.325kPa


Identification Zinc

Reference 0319-0036

Supplier Perkin Elmer

Batch J11Q016

Expiry date of the reference item 15/07/201B

Last validation of the test 19/11/2006

Results Tei = 419.35°C (for a theoretical value of 419.47 °C)

Confermity Yes(<0.5°C)

determination Tei           Initial extrapolated temperature Tp                                      Peak temperature Plab                   Atmospheric pressure in the laboratory
1  + 343.3 °C + 355.8 °c 101.42 kPa
2 + 347.6 °C + 355.2 °C 101.47 kPa
3 + 351.6°c + 357.9 °C 101.45 kPa
4 + 342.3°C + 354.4 °C 101.37 kPa
Mean   + 346.2 °C +355.8 °C 101.43 kPa
Standard deviation  3.7 °C  1.3 °C 0.04 kPa


The mean corrected boiling point values of the test item (on 4 assays) are Tel = 344.7°C and Tp= 354.3°C
Executive summary:

The boiling point of Fatty Acids C16 -C18 and C18 -unstd., Me esters has been measured according to Council Regulation (EC) No. 440/2008, Method A.2, by Thermal analysis (DSC)

Description of key information

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
354.3 °C

Additional information

a354.3 at 1 atm