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Physical & Chemical properties

Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Qualifier:
according to
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
GLP compliance:
yes
Type of method:
effusion method: Knudsen cell
Specific details on test material used for the study:
Name CARMINE LAKE
Batch no. HPFC16006A
Composition Hydrated aluminium chelate of carminic acid (7-beta-D-glucopyranosyl- 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-anthracene-2-carboxylic acid)
CAS No. 1390-65-4
Purity 55% Carmine
Expiry date 12. Apr. 2020
Storage Room Temperature (20 ± 5 °C); Keep away from light
Key result
Test no.:
#1
Temp.:
ca. 90 °C
Vapour pressure:
ca. 0.02 Pa
Conclusions:
Vapour pressure was examined at nine different temperatures. No temperatures could be evaluated as they showed no reproducible or relevant weight loss.
As a calculation on base of the measured weight losses is not possible, the highest va-pour pressure, derived from all measurements, is stated as limit value.
Vapour pressure at 90 °C: 1.99* 10-02Pa
Vapour pressure (positive control) at 30°C: 1.68*10-1 Pa
Criteria for the vapour pressure of the positive control at 30°C: 1.44*10-1 ± 0.1Pa

The vapour pressure met the validity criteria. Therefore the study can be considered as valid.

Description of key information

Key value for chemical safety assessment

Vapour pressure:
0.02 Pa
at the temperature of:
90 °C

Additional information