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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
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 102 (Melting point / Melting Range)
Principles of method if other than guideline:
The temperature at which a solid becomes a liquid at standard atmospheric pressure
GLP compliance:
no
Type of method:
other: Capillary/metal block
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
Melting / freezing pt.:
> 159 - < 162 °C
Atm. press.:
977.8 hPa
Decomposition:
no
Sublimation:
no
Remarks on result:
other: No other details available

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

·      No

·      Not required

No

 

-

Atmospheric pressure

(in hPa)

 

977.8 hPa

-

Decomposition

 

Decomposition temperature(°C), if applicable

No

-

Sublimation

Sublimation temperature (°C), if applicable

 

No

-

Melting point (°C)

(RESULT)

 

 

-

Melting point range (°C), if applicable

 

159°C-162°C

-

Conclusions:
The melting point of 4, 4’-bis (dimethylamino)-4’’-(methyl amino)trityl alcohol (CAS No. 561-41-1) ranges from 159°C-162°C at 977.8hPa.
Executive summary:

The melting 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 102. The method followed was according to Capillary/metal block. The melting point was found to be in range of 159 °C- 162 °C at 977.8hPa.

Description of key information

The melting 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 102. The method followed was according to Capillary/metal block. The melting point was found to be in range of 159 °C- 162 °C at 977.8hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
168.87 °C

Additional information

The melting 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 102. The method followed was according to Capillary/metal block. The melting point was found to be in range of 159 °C- 162 °C at 977.8hPa.

From other reliable sources, melting point of the substance 4,4'-bis(dimethylamino)-4''-(methylamino)trityl alcohol was observed to be 160 degree C.