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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:
23-07-2018 – 23-07-2018
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
Reference:
Composition 0
Qualifier:
according to
Guideline:
other: OECD 103
Principles of method if other than guideline:
The flash point determination of Test item tetrasodium 7-amino-4-hydroxy-3-[(E)-2-{2-methoxy-5-methyl-4-[2- (sulfonatooxy)ethanesulfonyl]phenyl} diazen-1-yl]-8-[(E)-2-{2-sulfonato-4-[2- (sulfonatooxy)ethanesulfonyl]phenyl}diazen-1-yl]naphthalene-2-sulfonate (CAS No. 503155-49-5 )was done.
The method was closed cup method using Pensky-Martens Flash Point Apparatus.
GLP compliance:
no
Type of method:
closed cup
Flash point apparatus:
Pensky-Martens apparatus
Test material information:
Composition 1
Specific details on test material used for the study:
- Name of test material : 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[[2-methoxy-5-methyl-4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]azo]-8-[[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, tetrasodium salt
- Molecular formula : C28H25N5Na4O20S6
- Molecular weight : 1035.87 g/mol
- Smiles notation : Cc1cc(N=Nc2c(S(=O)(=O)O{-}.[Na]{+})cc3c(ccc(N)c3N=Nc3ccc(S(=O)(=O)CCOS(=O)(=O)O{-}.[Na]{+})cc3S(=O)(=O)O{-}.[Na]{+})c2O)c(OC)cc1S(=O)(=O)CCOS(=O)(=O)O{-}.[Na]{+}
- Substance type : Organic
- Physical state : Solid
Key result
Flash point:
185 °C
Atm. press.:
964.6 hPa
Remarks on result:
other: No other detail available

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

 5.001

 Ignition source

 Gas lighter/flame

 Gas lighter

 Atmospheric pressure

 hPa

 964.6hPa

 meanFlash point

(RESULT)

 
°C

 
185°C

Interpretation of results:
GHS criteria not met
Conclusions:
The flash point determination of Test item tetrasodium 7 -amino-4 -hydroxy-3 -[(E)-2 -{2 -methoxy-5 -methyl-4 -[2 - (sulfonatooxy)ethanesulfonyl]phenyl}diazen-1 -yl]-8 -[(E)-2 -{2 -sulfonato-4 -[2 - (sulfonatooxy)ethanesulfonyl]phenyl}diazen-1 -yl]naphthalene-2 -sulfonate (CAS No. 503155 -49 -5 )was done. The method was closed cup method using Pensky-Martens Flash Point Apparatus. The mean flash point of the test item was determine to be 185°C at 964.6 hPa.
Executive summary:

The flash point determination of Test item tetrasodium 7 -amino-4 -hydroxy-3 -[(E)-2 -{2 -methoxy-5 -methyl-4 -[2 - (sulfonatooxy)ethanesulfonyl]phenyl}diazen-1 -yl]-8 -[(E)-2 -{2 -sulfonato-4 -[2 - (sulfonatooxy)ethanesulfonyl]phenyl}diazen-1 -yl]naphthalene-2 -sulfonate (CAS No. 503155 -49 -5 )was done. The method was closed cup method using Pensky-Martens Flash Point Apparatus. The mean flash point of the test item was determine to be 185°C at 964.6 hPa.

Description of key information

The flash point determination of Test item tetrasodium 7 -amino-4 -hydroxy-3 -[(E)-2 -{2 -methoxy-5 -methyl-4 -[2 - (sulfonatooxy)ethanesulfonyl]phenyl}diazen-1 -yl]-8 -[(E)-2 -{2 -sulfonato-4 -[2 - (sulfonatooxy)ethanesulfonyl]phenyl}diazen-1 -yl]naphthalene-2 -sulfonate (CAS No. 503155 -49 -5 )was done. The method was closed cup method using Pensky-Martens Flash Point Apparatus. The mean flash point of the test item was determine to be 185°C at 964.6 hPa.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
185 °C

Additional information

The flash point determination of Test item tetrasodium 7 -amino-4 -hydroxy-3 -[(E)-2 -{2 -methoxy-5 -methyl-4 -[2 - (sulfonatooxy)ethanesulfonyl]phenyl}diazen-1 -yl]-8 -[(E)-2 -{2 -sulfonato-4 -[2 - (sulfonatooxy)ethanesulfonyl]phenyl}diazen-1 -yl]naphthalene-2 -sulfonate (CAS No. 503155 -49 -5 )was done. The method was closed cup method using Pensky-Martens Flash Point Apparatus. The mean flash point of the test item was determine to be 185°C at 964.6 hPa.