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Flash point

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Reference
Endpoint:
flash point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017-01-17 – 2017-01-17
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Qualifier:
according to
Guideline:
ISO No., other: OECD 103
Principles of method if other than guideline:
The flash point of a flammable liquid is the lowest temperature at which there will be enough flammable vapor to ignite when an ignition source is applied.
GLP compliance:
no
Type of method:
closed cup
Flash point apparatus:
Pensky-Martens apparatus
Specific details on test material used for the study:
- Name of test material: N,N,N-tributylbutan-1-aminium hydrogen sulfate
- Molecular formula: C16 H36 N.H O4 S
- Molecular weight: 339.537 g/mol
- Smiles notation: C([N+](CCCC)(CCCC)CCCC)CCC.S([O-])(=O)(=O)O
- InChl: 1S/C16H36N.H2O4S/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;1-5(2,3)4/h5-16H2,1-4H3;(H2,1,2,3,4)/q+1;/p-1
- Substance type: Organic
- Physical state: Solid
Flash point:
175.6 °C
Atm. press.:
977.4 hPa
Interpretation of results:
other: non-flammable
Conclusions:
The flash point of Tetrabutylammonium hydrogen sulphate is 175.6 °C at 980.9 hPa
Executive summary:

The flash point determination of Tetrabutylammonium hydrogen sulphate (CAS No. 32503 -27 -8) was done as per the test guideline OECD 103. The method is closed cup method using Pensky Martin’s Flash Point Apparatus. The flashpoint of the test substance was determined to be 175.6°C at 977.4 hPa. based on criteria mentioned in CLP regulation the chemical has flash point >than 60 degree C hence Tetrabutylammonium hydrogen sulphate (CAS No 32503 -27 -8) was considered to be non-flammable.

Description of key information

The flash point determination of Tetrabutylammonium hydrogen sulphate (CAS No. 32503 -27 -8) was done as per the test guideline OECD 103. The method is closed cup method using Pensky Martin’s Flash Point Apparatus. The flashpoint of the test substance was determined to be 175.6°C at 977.4 hPa. based on criteria mentioned in CLP regulation the chemical has flash point >than 60 degree C hence Tetrabutylammonium hydrogen sulphate (CAS No 32503 -27 -8) was considered to be non-flammable.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
175.6 °C

Additional information

The flash point determination of Tetrabutylammonium hydrogen sulphate (CAS No. 32503 -27 -8) was done as per the test guideline OECD 103. The method is closed cup method using Pensky Martin’s Flash Point Apparatus. The flashpoint of the test substance was determined to be 175.6°C at 977.4 hPa. based on criteria mentioned in CLP regulation the chemical has flash point >than 60 degree C hence Tetrabutylammonium hydrogen sulphate (CAS No 32503 -27 -8) was considered to be non-flammable.