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Boiling point

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Reference
Endpoint:
boiling 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
Reference:
Composition 0
Qualifier:
according to
Guideline:
OECD Guideline 103 (Boiling point/boiling range)
GLP compliance:
no
Type of method:
method according to Siwoloboff
Test material information:
Composition 1
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
Boiling pt.:
100.66 °C
Atm. press.:
973.8 hPa
Decomposition:
no

Method Details

Observations 

Remarks if, any

Guideline

OECD 103

-

 

 

 

 

-

Method

Method according to Siwoloboff

-

Principle of Boiling point test

The boiling point of a liquid is the temperature at which that liquid is converted to a gaseous state. It can be defined as the temperature at which the vapour pressure of the liquid becomes equal to the pressure at the surface of the liquid.

-

Volume of chemical used

ml/ g

1 g

Nature of the Bath taken

·    Oil bath

·    Water bath

Oil bath

 

If oil bath is used, the type of oil

·    Liquid paraffin

·    Silicone oil

Silicone oil

Atmospheric pressure

hPa

973.8

Decomposition

Decomposition temperature (°C), if applicable

·                 Yes

·                 No

No

Boiling point (°C) (RESULT)

°C

100.66 °C

Boiling point range, if applicable

°C

-

Conclusions:
The boiling 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 103. The method followed was according to Siwoloboff. The mean boiling point was found to be 100.66°C at 973.8hPa.
Executive summary:

The boiling 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 103. The method followed was according toSiwoloboff. The mean boiling point was found to be 100.66°C at 973.8hPa.

Description of key information

The boiling 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 103. The method followed was according toSiwoloboff. The mean boiling point was found to be 100.66°C at 973.8hPa.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
100.66 °C

Additional information

The boiling point determination of test substance2,2,2-trichloroethane-1,1-diol(CAS No. 302-17-0) was done as per the test guideline OECD 103. The method followed was according toSiwoloboff. The mean boiling point was found to be 100.66°C at 973.8hPa.

Other supporting data from different sources indicates the boiling point to be in the range of 96- 98 °C. It also indicated that substance decomposes when heated beyond this temperature.