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Boiling point

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
02/01/2015 - 02/01/2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Data is from experimental study report
Qualifier:
according to
Guideline:
OECD Guideline 103 (Boiling Point)
Principles of method if other than guideline:
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.
GLP compliance:
no
Type of method:
method according to Siwoloboff
Specific details on test material used for the study:
- Name of test material: 4,4'-bis(dimethylamino)-4''-(methylamino)trityl alcohol
- Molecular formula: C24H29N3O
- Molecular weight: 375.513
- Smiles: C(c1ccc(cc1)N(C)C)(c1ccc(cc1)N(C)C)(c1ccc (cc1)NC)O
-Inchi: 1S/C24H29N3O/c1-25-21-12-6-18(7-13-21)24 (28, 19-8-14-22(15-9-19)26(2)3)20-10-16-23(17-11-20)27(4) 5/h6-17,25,28H,1-5H3

- Substance type: Organic
- Physical state: solid
Key result
Boiling pt.:
> 240 °C
Atm. press.:
976.9 hPa
Decomposition:
no
Remarks on result:
other: No other details available

Method Details

Observations 

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 gm

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

976.9 hPa

Decomposition

Decomposition temperature (°C), if applicable

·                    Yes

·                    No

No

Boiling point (°C) (RESULT)

°C

         >240 °C

Boiling point range, if applicable

°C

-

Conclusions:
The boiling point of 4,4’-bis(dimethylamino)-4’’-(methyl amino)trityl alcohol (CAS No. 561-41-1) is determined to be greater than 240°C at 976.9 hPa.
Executive summary:

The boiling point determination of test substance4,4’-bis(dimethylamino)-4’’-(methyl amino)trityl alcohol(CAS No.561-41-1) was done as per the test guideline OECD 103. The method followed was according toSiwoloboff. The boiling point was found to be greater than 240 °C at 976.9 hPa.

Description of key information

The boiling point determination of test substance4,4’-bis(dimethylamino)-4’’-(methyl amino)trityl alcohol(CAS No.561-41-1) was done as per the test guideline OECD 103. The method followed was according toSiwoloboff. The boiling point was found to be greater than 240 °C at 976.9 hPa.

                                                 

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
240 °C

Additional information

The boiling point determination of test substance4,4’-bis(dimethylamino)-4’’-(methyl amino)trityl alcohol(CAS No.561-41-1) was done as per the test guideline OECD 103. The method followed was according toSiwoloboff. The boiling point was found to be greater than 240 °C at 976.9 hPa.

From other reliable sources,the boiling point of the substance 4,4’-bis(dimethylamino)-4’’-(methyl amino)trityl alcohol was observed to be 460 degree C at 960 hPa.