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Flash point

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Reference
Endpoint:
flash point, other
Type of information:
experimental study
Adequacy of study:
key study
Study period:
16/02/2016-18/02/2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to guideline
Guideline:
other: as mention below
Principles of method if other than guideline:
The flash point determination of Test item1,2-benzisothiazol-3(2H)-one 1,1-dioxide, sodium salt (CAS No. 128-44-9) was done. The method is closed cup method using Pensky-Martens Flash Point Apparatus.
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: 1,2-benzisothiazol-3(2H)-one 1,1-dioxide, sodium salt
- IUPAC name: 1,2-Benzisothiazol-3(2H)-one 1,1-dioxide, sodium salt
- Molecular formula: C7H4NNaO3S
- Molecular weight: 205.169 g/mole
- Smiles: c12c(C(=O)[NH-]S1(=O)=O)cccc2.[Na+]
- InChI: 1S/C7H5NO3S.Na/c9-7-5-3-1-2-4-6(5)12(10,11)8-7;/h1-4H,(H,8,9);/q;+1/p-1
- Substance type: organic
- Physical state: Solid crystalline powder (white)
- Purity: 99.66%
Key result
Flash point:
220 °C
Atm. press.:
979.4 hPa
Remarks on result:
other: No other detail available

Method Details

Observations

Remarks if, any

Method

Closed cup method using Pensky-Martens Flash Point Apparatus

 

 

Principle of Flash point test

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.

 

 

Type of method

·    Closed cup

Closed cup

 

Flash point apparatus

·    Abel’s flash pt apparatus

·    Pensky-Martens flash point apparatus

Pensky-Martens flash point apparatus

 

Quantity of chemical used

g

5g

 

Ignition source

Gas lighter/flame

Gas lighter

 

Atmospheric pressure

hPa

979.4 hPa

 

 Mean Flash point (RESULT)

°C

220°C

 

Interpretation of results:
GHS criteria not met
Conclusions:
The flash point determination of 1,2-benzisothiazol-3(2H)-one 1,1-dioxide, sodium salt (CAS No.128-44-9) was done following closed cup method using Pensky-Martens flash point apparatus. The test was conducted in replicates and mean flash point was determine to be 220°C at 979.4 hPa.
Executive summary:

The flash point determination of Test item1,2-benzisothiazol-3(2H)-one 1,1-dioxide, sodiumsalt(CAS No.128-44-9) was done. The method is closed cup method using Pensky-Martens Flash Point Apparatus. The mean flashpoint of the test item was determine to be 220°C at 979.4hPa.

Description of key information

The flash point determination of Test item1,2-benzisothiazol-3(2H)-one 1,1-dioxide, sodiumsalt(CAS No.128-44-9) was done. The method is closed cup method using Pensky-Martens Flash Point Apparatus. The mean flashpoint of the test item was determine to be 220°C at 979.4hPa.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
220 °C

Additional information

The flash point determination of Test item1,2-benzisothiazol-3(2H)-one 1,1-dioxide, sodiumsalt(CAS No.128-44-9) was done. The method is closed cup method using Pensky-Martens Flash Point Apparatus. The mean flashpoint of the test item was determine to be 220°C at 979.4hPa.