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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Flash point

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Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
08/04/2016
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Qualifier:
according to guideline
Guideline:
ASTM D93 (Standard test methods for flash point by pensky-martens closed cup tester)
Deviations:
not specified
GLP compliance:
not specified
Type of method:
other: not specified
Specific details on test material used for the study:
Supplier: Versalis S.p.a.
Sample identifier: 16LV01303
Applicant reference: 202946637
Sample receipt date: 08/04/201
Key result
Flash point:
51 °C
Atm. press.:
1 013 hPa

Pressure assumed.

Interpretation of results:
Category 3 (flammable liquids) based on GHS criteria
Conclusions:
the flashpoint for DCPD is 51°C
Executive summary:

the flashpoint for DCPD is 51°C

Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2009
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Qualifier:
according to guideline
Guideline:
ASTM D93 (Standard test methods for flash point by pensky-martens closed cup tester)
Type of method:
other: not specified
Specific details on test material used for the study:
Sample provider : Chelab s.r.l
Key result
Flash point:
>= 42 - <= 47 °C
Atm. press.:
1 013 hPa

Pressure assumed.

Interpretation of results:
Category 3 (flammable liquids) based on GHS criteria
Conclusions:
The flash point of DCPD ranged between 42 and 47 °C
Executive summary:

The flash point of DCPD prelevated in the three different sites ranged between 42 and 47 °C

Description of key information

The flashpoint for DCPD according to Watson Gray Italia S.r.l. is 51°C


 


The flash point of DCPD taken from three different sites by Eni polimeri Europa ranged between 42 °C to 47 °C with an average of 44.1 °C

Key value for chemical safety assessment

Flash point at 101 325 Pa:
47.5 °C

Additional information

The Pocket Guide presents key information and data from the US Department of Health and Human Services and as such is a reliable governmental source of information and is considered a suitable key study for this endpoint (NIOSH 2005). The WHO ICSC (2005) indicates that the flash point of the test substance is 32°C. No information on the primary source of the data or the methods used is available. However, this information is taken from a reliable peer reviewed database and so can be considered reliable and suitable for use as the supporting study for this endpoint


 


The flash point of commercial DCPD was taken from proprietary data. There is no information on the GLP status of the study or the methods used but the results are taken from company specific datasheets and are considered to be suitable as a supporting study for use for this endpoint.


 


The flash point of DCPD was also analyzed by Watson Gray Italia S.r.l.. the flash point found was 51°C and is considered to be a key study.


 


The flash point of DCPD taken from three different sites by Eni polimeri Europa ranged between 42 °C to 47 °C and an average of 44.1 °C, and is considered to be a key study.


The average of the above two key studies was 47.5 °C and this is the key value used for the risk assessment and classification.