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Physical & Chemical properties

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
28/5/2016-30/5/2016
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:
OECD Guideline 102 (Melting point / Melting Range)
Principles of method if other than guideline:
The melting point determination of Test chemical was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block.
GLP compliance:
no
Type of method:
other: standard laboratory method
Melting / freezing pt.:
>= 228 - <= 233.5 °C
Atm. press.:
968.9 hPa
Decomposition:
no
Sublimation:
no
Remarks on result:
other: other details not available

Observation Table & Result :

Method Details

Observations

Remarks if, any

Guideline

OECD 102

-

 

 

Method

Capillary/metal block

-

Principle of method

The temperature at which a solid becomes a liquid at standard atmospheric pressure

-

Grinding of Test item done

 

 

Not required

Atmospheric pressure

(in hPa)

 

     

    968.9 hPa

Decomposition

 

Decomposition temperature(°C), if applicable

 

Yes

 

Sublimation

Sublimation temperature (°C), if applicable

 

 

Yes

 

Mean Melting point (°C)

(RESULT)

 

 

Melting point range (°C), if applicable

 

 

228 °C -233.5 °C
Conclusions:
The melting point determination of Test chemical 2-(3,6-dihydroxy-2,4,5,7-tetraiodoxanthen-9-yl)benzoic acid, aluminium salt (CAS No. 12227-78-0) 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 228 °C -233.5°C at 968.9 hPa.
Executive summary:

The melting point determination of Test chemical 2-(3,6-dihydroxy-2,4,5,7-tetraiodoxanthen-9-yl)benzoic acid, aluminium salt (CAS No. 12227-78-0) 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 228 °C -233.5°C at  968.9 hPa.

Description of key information

The melting point determination of Test chemical 2-(3,6-dihydroxy-2,4,5,7-tetraiodoxanthen-9-yl)benzoic acid, aluminium salt (CAS No. 12227-78-0) 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 228 °C -233.5°C at  968.9 hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
228 °C

Additional information

The melting point determination of Test chemical 2-(3,6-dihydroxy-2,4,5,7-tetraiodoxanthen-9-yl)benzoic acid, aluminium salt (CAS No. 12227-78-0) 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 228 °C -233.5°C at  968.9 hPa.