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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:
30-08-2017 – 30-08-2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Justification for type of information:
Experimental test result performed using standard OECD test guidelines.
Qualifier:
according to
Guideline:
ISO 2719 (Determination of flash point - Pensky-Martens closed cup method)
Principles of method if other than guideline:
The flash point determination of Test item N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine (CAS No. 93964-07-9 )was done. The method was closed cup method using Pensky-Martens Flash Point Apparatus
GLP compliance:
not specified
Type of method:
closed cup
Flash point apparatus:
Pensky-Martens apparatus
Specific details on test material used for the study:
- Name of the test material: N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine
- Regulatory name: N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine
- Molecular formula: C32H37N5
- Molecular weight: 491.6793 g/mol
- Smiles: CCCCC(CC)CNc1ccc2ccccc2c1/N=N/c3ccc(cc3C)/N=N/c4ccc(cc4)C
- InChI: 1S/C32H37N5/c1-5-7-10-25(6-2)22-33-31-19-15-26-11-8-9-12-29(26)32(31)37-36-30-20-18-28(21-24(30)4)35-34-27-16-13-23(3)14-17-27/h8-9,11-21,25,33H,5-7,10,22H2,1-4H3/b35-34+,37-36+
- Substance type: Organic
Physical form: Dark red clear liquid
Key result
Flash point:
79.3 °C
Atm. press.:
977.2 hPa
Remarks on result:
other: no other details mentioned

TEST DESCRIPTION AND RESULT

 

Method Details

Observations

Remarks if, any

Method

Closed cup method

 

 

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

 

Flash point apparatus

 

Abel’s flash pt apparatus Pensky-Martens flash point apparatus

Pensky-Martens flash point apparatus

Quantity of chemical used

g/ml

5 ml

Ignition source

Gas lighter/flame

Gas lighter

Atmospheric pressure

hPa

977.2hPa

meanFlash point (RESULT)

°C

79.3°C

Interpretation of results:
other: non flammable
Conclusions:
The mean flash point of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine(CAS No. 93964-07-9) was 79.3°C at 977.2hPa.
Executive summary:

The flash point determination of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine (CAS No. 93964-07-9)was done following closed cup method using Pensky-Martens flash point apparatus. The test was conducted in replicates and mean flash point was found to be 79.3°C at 977.2 hPa.

Description of key information

The mean flash point of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine(CAS No. 93964-07-9) was 79.3°C at 977.2hPa.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
79.3 °C

Additional information

The flash point determination of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine (CAS No. 93964-07-9)was done following closed cup method using Pensky-Martens flash point apparatus. The test was conducted in replicates and mean flash point was found to be 79.3°C at 977.2 hPa.