Registration Dossier
Registration Dossier
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EC number: 264-761-2 | CAS number: 64265-45-8
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2007-03-19 to 2007-06-20
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- EEC Publication no. L383, December 29, 1992
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- March 23, 2006
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: by loss of weight or by trapping vaporisate
- Temp.:
- 20 °C
- Vapour pressure:
- < 0.001 Pa
- Transition / decomposition:
- yes
- Transition temp.:
- > 150 °C
- Conclusions:
- The vapour pressure of Amphopropionate C8 is < 0.00147 Pa at 20°C.
- Executive summary:
The vapour pressure of Amphopropionate C8 was determined according to OECD Guideline 104 (23 March 2006) and EU Method A.4 (29 December 1992) using the isothermal thermogravimetric effusion method. The weight loss per unit of time differed with test substance weight, indicating that a chemical process (reaction and/or decomposition) caused the weight loss at temperatures above 150°C. The vapour pressure of the test substance was reported to be < 1.47E-03 Pa at 20°C.
Reference
For Amphopropionate C8 the weight loss per unit of time differed with test substance weight, indicating that a chemical process (reaction and/or decomposition) caused the weight loss. The weight loss of the test substance at 110°C-140°C was lower than the weight loss of the reference substance hexachlorobenzene at the same temperatures. The weight loss of the test substance at 170°C and 180°C was higher but the weight loss was probably caused by reaction and/or decomposition. Based on this the vapour pressure of the test substance is reported to be below that of hexachlorobenzene i.e. 1.47E-03 Pa.
Description of key information
< 1.47E-03 Pa at 20°C (OECD TG 104 / EU Method A.4; isothermal thermogravimetric effusion method); RL1; GLP
Key value for chemical safety assessment
- Vapour pressure:
- 0.001 Pa
- at the temperature of:
- 20 °C
Additional information
The weight loss per unit of time differed with test substance weight, indicating that a chemical process (reaction and/or decomposition) caused the weight loss at temperatures above 150°C.
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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