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Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
16-08-2017 – 16-08-2017
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 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
Specific details on test material used for the study:
- Name of test material (as cited in study report): isopropyl 4-hydroxybenzoate
- Molecular formula : C10H12O3
- Molecular weight : 180.202 g/mol
- Smiles notation : c1(C(OC(C)C)=O)ccc(O)cc1
- InChl : 1S/C10H12O3/c1-7(2)13-10(12)8-3-5-9(11)6-4-8/h3-7,11H,1-2H3
- Substance type:Organic
- Physical state:Solid
Key result
Melting / freezing pt.:
>= 82.1 - 85.8 °C
Atm. press.:
967.8
Decomposition:
no
Sublimation:
no
Remarks on result:
other: other details not available

Observation Table & Result :

 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 

 967.8 hPa

 Decomposition

 

Decomposition temperature

(°C), if applicable

 No

 Sublimation

 

Sublimation temperature

(°C), if applicable

NO 

 Mean Melting Point

 °C

 82.1 - 85.8 °C
Conclusions:
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. The Mean melting temperature range was determine to be 82.1- 85.8°C at hPa.
Executive summary:

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. The Mean melting temperature range was determine to be 82.1- 85.8°C at 967.8hPa.

Description of key information

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. The Mean melting temperature range was determined to be 82.1- 85.8°C at 967.8hPa.

Key value for chemical safety assessment

Additional information

Various studies were summarized for the determination of melting point:

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. The Mean melting temperature range was determined to be 82.1- 85.8°C at 967.8hPa.

Based on available data from peer viewed publication, the melting point of chemical isopropyl 4-hydroxybenzoatewas determined to be in the range of 97 degree C to 99 degree C.

Based on available data from authoritative database, the melting point of chemical isopropyl 4-hydroxybenzoate was determined to be 86 degree C.