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Physical & Chemical properties

Boiling point

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
09/07/2015
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 103 (Boiling point/boiling range)
Principles of method if other than guideline:
The boiling point determination of test substance Zinc stearate, (CAS No. 557-05-1) was done as per the test guideline OECD 103. The method followed was according to Siwoloboff.
GLP compliance:
no
Type of method:
method according to Siwoloboff
Specific details on test material used for the study:
- Name of test material : Zinc distearate
- Molecular formula: C36H70O4Zn
- Molecular weight: 632.335 g/mol
- SMILES: CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Zn+2]
- InChI: 1S/2C18H36O2.Zn/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2
- Substance type: Organic
- Physical state: Solid
- Batch no.: L216551704
- Purity: 11.10% (as zinc)
- Physical Appearance: Fine white amorphous powder
- Stability: Stable in recommended storage conditions
- Storage Conditions: 1. Ambient Temp (23 to 27 °C) √ (Store in a cool place. Keep containers tightly closed in a dry and well ventilated place)
Key result
Boiling pt.:
> 240 °C
Atm. press.:
945.06 hPa
Decomposition:
no
Remarks on result:
other: Other details not available

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

2 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

945.06 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 determination of test substanceZinc stearate, (CAS No. 557-05-1) was done as per the test guideline OECD 103. The method followed was according toSiwoloboff. The boiling point was determine to be greater than 240 °C at 945.06. hPa.
Executive summary:

The boiling point determination of test substanceZinc stearate, (CAS No. 557-05-1) was done as per the test guideline OECD 103. The method followed was according toSiwoloboff. The boiling point was determine to be greater than 240 °C at 945.06. hPa.

Description of key information

The boiling point determination of test substanceZinc stearate, (CAS No. 557-05-1) was done as per the test guideline OECD 103. The method followed was according toSiwoloboff. The boiling point was determine to be greater than 240 °C at 945.06. hPa.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
240 °C

Additional information

The boiling point determination of test substanceZinc stearate, (CAS No. 557-05-1) was done as per the test guideline OECD 103. The method followed was according toSiwoloboff. The boiling point was determine to be greater than 240 °C at 945.06. hPa.