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Vapour pressure

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vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: The data was created by testing using GLP principles
according to guideline
EU Method A.4 (Vapour Pressure)
Principles of method if other than guideline:
The vapour pressure was determined using a vapour pressure balance system with measurements being made at several temperatures and linear regression analysis used to calculate the vapour pressure at 25°C. Tesing was conducted using a method designed to be compatible with Method A4 Vapour Pressure of Commission Regulation (EC) No 440/2208 of 30 May 2008 and Method 104 specified in the OECD Guidelines for Testing of Chemicals, 27 July 1995.
GLP compliance:
Type of method:
effusion method: vapour pressure balance
25 °C
Vapour pressure:
< 0 Pa
The Vapor Pressure of D.E.R. 331 was measured and found to be 4.6 x 10-8 Pa at 25°C.

Description of key information

The vapour pressure of "4,4'-Isopropylidenediphenol, oligomeric reaction products with 1-chloro-2,3-epoxypropane" EC Number 500-033-5, CAS Number 25068-38-6 was measured and found to be 4.6 x 10-8 Pa.

Key value for chemical safety assessment

Vapour pressure:
0 Pa
at the temperature of:
25 °C

Additional information