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Physical & Chemical properties

Melting point / freezing point

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
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:
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
no
Type of method:
capillary method
Specific details on test material used for the study:
- Name of test material: 2,2,2-Trichloroethane-1,1-diol (Chloral hydrate)
- Molecular formula: C2-H3-Cl3-O2
- Molecular weight: 165.4026g/mol
- Smiles notation: C(C(O)O)(Cl)(Cl)Cl
- InChl: RNFNDJAIBTYOQL-UHFFFAOYSA-N
- Substance type: Organic
- Physical state: Solid
Key result
Melting / freezing pt.:
55.3 °C
Atm. press.:
973.8 hPa
Decomposition:
no
Sublimation:
no

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 substance done

 

 

Yes

 

Atmospheric pressure

(in hPa)

 

 

973.8hPa

Decomposition

 

Decomposition temperature(°C), if applicable

 

     No

Sublimation

Sublimation temperature (°C), if applicable

 

 

     No

Melting point (°C)

(RESULT)

 

 

55.3 0C

Melting point range (°C), if applicable

 

 

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Conclusions:
The melting point determination of test substance 2, 2, 2-trichloroethane-1, 1-diol (CAS No. 302-17-0) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The mean melting point was found to be 55.3°C at 973.8hPa.
Executive summary:

The melting point determination of test substance 2, 2, 2-trichloroethane-1, 1-diol (CAS No. 302-17-0) was done as per the test guideline OECD 102. The method followed was according toCapillary/metal block. The mean melting point was found to be 55.3°C at 973.8hPa.

Description of key information

The melting point determination of test substance 2, 2, 2-trichloroethane-1, 1-diol (CAS No. 302-17-0) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The mean melting point was found to be 55.3°C at 973.8hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
55.3 °C

Additional information

The melting point determination of test substance 2, 2, 2-trichloroethane-1, 1-diol (CAS No. 302-17-0) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The mean melting point was found to be 55.3°C at 973.8hPa.

Other supporting data from different sources also indicates the melting point of 2,2,2-trichloroethane-1,1-diol to be in the range of 52 - 60 °C.