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Melting point / freezing point

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
19-09-2017 – 19-09-2017
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:
OECD Guideline 102 (Melting point / Melting Range)
Principles of method if other than guideline:
The melting point determination of Test item 12H-phthaloperin-12-one (CAS No. 6925-69-5 ) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block
GLP compliance:
not specified
Type of method:
other: standard laboratory method
Specific details on test material used for the study:
- Name of test material : 12H-phthaloperin-12-one
- Common name : C.I. Solvent Orange 60
- Molecular formula : C18H10N2O
- Molecular weight : 270.29 g/mol
- Smiles notation : O=C1N2c3c4c(cccc4N=C2c2ccccc12)ccc3
- InChl : 1S/C18H10N2O/c21-18-13-8-2-1-7-12(13)17-19-14-9-3-5-11-6-4-10-15(16(11)14)20(17)18/h1-10H
- Substance type : Organic
- Physical state : Solid
Key result
Melting / freezing pt.:
>= 202 - <= 205.6 °C
Atm. press.:
968.1 hPa
Decomposition:
no
Sublimation:
no
Remarks on result:
other: other details not available

 Method Details    Observations
 Guideline  OECD 102  
 Method  Capillary/metal block  
 Principle of method

 The temperature at which a

solid becomes a liquid at

standard atmospheric

pressure

 

 Atmospheric

pressure

hPa 

968.1hPa 
 Decomposition

 Decomposition temperature

(°C), if applicable

 No

 Sublimation

 Sublimation temperature

(°C), if applicable

NO 

 Mean Melting Point

 °C

 202-205.6°C

Conclusions:
The melting point determination of Test item 12H-phthaloperin-12-one (CAS No. 6925-69-5 ) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean Melting Temperature Range was determine to be 202 -205.6°C at 968.1 hPa.
Executive summary:

The melting point determination of Test item 12H-phthaloperin-12-one (CAS No. 6925-69-5 ) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean Melting Temperature Range was determine to be 202 -205.6°C at 968.1 hPa.

Description of key information

The melting point determination of Test item 12H-phthaloperin-12-one (CAS No. 6925-69-5 ) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean Melting Temperature Range was determine to be 202 -205.6°C at 968.1 hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
202 °C

Additional information

The melting point determination of Test item 12H-phthaloperin-12-one (CAS No. 6925-69-5 ) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean Melting Temperature Range was determine to be 202 -205.6°C at 968.1 hPa.