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Diss Factsheets

Physical & Chemical properties

Boiling point

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Administrative data

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2007-08-21
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling point/boiling range)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Deviations:
no
GLP compliance:
yes
Type of method:
method according to Siwoloboff
Key result
Atm. press.:
98.3 kPa
Decomposition:
yes
Decomp. temp.:
213 - 217 °C
Remarks on result:
other: Cyanamid F1000 decomposed before boiling

- At about 141 °C the liquid test substance became solid and fluidified again at 208 °C


- Decomposition was indicated by the occurrence of many blisters not emerging the fused capillary and a volume reduction which stated at about 213 °C and ended at about 217 °C. from 222 °C to 390 °C the decomposed test substance was white and solid.


Therefore no boiling temperature of the test substance could be determined


- Identical observations were made in both samples.

Conclusions:
Cyanamid F1000 decomposes before boiling, therefore the boiling point could not be determined. At about 141 °C the substance became solid and fluidified again at 208 °C.
Executive summary:

The objective of the study was to determine the boiling temperature of the test susbstance Cyanamid F1000. The test was performed by the method of Siwoloboff according to the OECD Guideline 103 and the EU method A.2. Results of two samples showed that, Cyanamid F1000 decomposed before boiling. Decomposition was indicated by the occurrence of many blisters not emerging the fused capillary and a volume reduction which stated at about 213 °C and ended at about 217 °C. Therefore no boiling temperature of the test substance could be determined. At about 141 °C the liquid test susbstance became solid and fluidified again at 208 °C.

Description of key information

Cyanamid F1000 decomposes before boiling, therefore the boiling point could not be determined. At about 141 °C the substance became solid and fluidified again at 208 °C.

Key value for chemical safety assessment

Additional information

The objective of the study was to determine the boiling temperature of the test susbstance Cyanamid F1000. The test was performed by the method of Siwoloboff according to the OECD Guideline 103 and the EU method A.2. Results of two samples showed that, Cyanamid F1000 decomposed before boiling. Decomposition was indicated by the occurrence of many blisters not emerging the fused capillary and a volume reduction which stated at about 213 °C and ended at about 217 °C. Therefore no boiling temperature of the test substance could be determined. At about 141 °C the liquid test substance became solid and fluidified again at 208 °C.