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Flash point

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Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
September 2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Remarks:
Study performed according to international guidelines but not under GLP and with some lack of details (no report number, criteria of validity not indicated).
Reason / purpose:
reference to same study
Reason / purpose:
reference to other study
Qualifier:
according to
Guideline:
EU Method A.9 (Flash-Point)
Deviations:
not specified
Qualifier:
according to
Guideline:
ISO No., other: ASTM D 3828-97
Deviations:
not specified
GLP compliance:
no
Type of method:
equilibrium method closed cup
Remarks:
Setaflash
Key result
Flash point:
51 °C
Atm. press.:
ca. 1 atm

The measured values for the reference substances were:

Flash point of butanol: 36.0°C and 36.0°C

Flash point of N,N dimethylformamide: 58.1°C and 59.0°C

Flash point of Setaflash Certified Material 99878 -3: 74.3°C and 75.0°C

The measured values for the test item were : 51.3 °C and 51.1 °C.

According to the Standard Test Method ASTM D 3828 -97 the precision of the method is for a flash point of 149°C as follow:

Repeatability: 2.0°C

Reproductibility: 7.5°C

Conclusions:
The flash point of substance D-LIMONENE is 51°C.
Executive summary:

The flash point was determined with a closed cup tester by an equilibrium method "Small Scale", commonly known as Setaflash where the vapours are deemed to be in temperature equilibrium with the liquid. The study was based on the procedures indicated by the following internationally accepted methods:

- ASTM D 3828 -97: Standard Test Methods for Flash Point by Small Scale Closed Tester.

- EU method Part A, A.9

Two measurements were performed.

The flash point of the substnace D-LIMONENE has been measured as 51°C.

Endpoint:
flash point
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
no data
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Reason / purpose:
reference to same study
Reason / purpose:
reference to other study
Principles of method if other than guideline:
Method followed unknown, data from handbook
GLP compliance:
not specified
Flash point:
48 °C

None

Conclusions:
The flash point of d-limonene is 48°C.
Executive summary:

The flash point of d-limonene was reported in The Dictionary of Substances and Their Effects as being 48°C.

Endpoint:
flash point
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Reason / purpose:
reference to same study
Reason / purpose:
reference to other study
Principles of method if other than guideline:
Data from secondary literature : no information about method
Flash point:
48 °C
Atm. press.:
1 atm
Conclusions:
The reported flash point temperature of l-limonene was 48°C.
Executive summary:

The flash point temperature of l-limonene was reported to be 48°C in the Priority Existing Chemical Assessment Report No. 22 of the National Industrial Chemicals Notification and Assessment Scheme (NICNAS).

Description of key information

The flash point of D-LIMONENE is 51°C.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
51 °C

Additional information

The flash point of D-LIMONENE was determined in a study performed according to ASTM D 3828-97 method and EU method A.9.

The value was considered with a reliability of 2 (reliable with restrictions) because the result is scientifically acceptable but not obtained under GLP and some details were lacking in the report. However the measured flash point is valid for key value and is supported by similar data from secondary literature.