Registration Dossier
Registration Dossier
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EC number: 267-012-8 | CAS number: 67762-34-9 This substance is identified by SDA Substance Name: C8-C18 and C18 unsaturated alkyl carboxylic acid zinc salt and SDA Reporting Number: 01-006-09.
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- GLP compliance:
- no
- Type of method:
- effusion method: by loss of weight or by trapping vaporisate
- Key result
- Temp.:
- ca. 20 °C
- Vapour pressure:
- ca. 2.32 Pa
- Transition / decomposition:
- ambiguous
- Conclusions:
- As a result of the vapor pressure test according to the effusion method using TGA, the vapor pressures of the test substance, Fatty acids, C8-18 and C18-unsatd., zinc salts, were measured as be 38.9, 55.0, 74.1, 97.7 and 120 Pa at 344.77, 355.75, 360.90, 367.45, 371.98 K(71.62, 82.60, 87.75, 94.30 and 98.83°C) and atmospheric pressure(101.3 kPa), respectively. And according to the relation of the vapor pressure pT and the temperature T, the vapor pressure was estimated to be 2.32 Pa at 293.15 K(20.0 °C).
Reference
Description of key information
Key value for chemical safety assessment
- Vapour pressure:
- 2.32 Pa
- at the temperature of:
- 20 °C
Additional information
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