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Physical & Chemical properties

Boiling point

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Administrative data

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
04/05/2017 - 04/05/2017
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
Guideline:
OECD Guideline 103 (Boiling point/boiling range)
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
Key result
Boiling pt.:
> 300 °C
Atm. press.:
976.4 hPa
Decomposition:
no
Remarks on result:
other: No other detail available

Method Details

Observations

Remarks if,

any

Guideline

OECD 103

-

The test item does not show string of bubbles upto 300 deg C, inferring b.p. to be greater than 300 deg C.

 

 

 

 

 

 

-

Method

Method according to

Siwoloboff

-

Principle of method

 

A sample is heated

gradually in a tube which is

immersed in a liquid bath.

The sample tube is held in

close contact with a

thermometer and it contains

a boiling capillary which is

fused about1 cm above its

lower end. Upon approach

of the boiling temperature

bubbles emerge rapidly

from the lower open end of

the capillary. The boiling

temperature is that

temperature at which, on

momentary cooling, the

string of bubbles stops and

liquid suddenly rises in the

capillary.

-

Quantity of

chemical used

g/ml

2 g

Nature of the Bath

taken

·       Oil bath

·       Water bath

OIL

 

If oil bath is used, specify

·       Liquid paraffin

·       Silicon oil

Silicon oil

Atmospheric

pressure

hPa

976.4

Mean Boiling

point(°C)

(RESULT)

°C

greater than 300

Conclusions:
The boiling point determination of test chemical was done following OECD Guideline 103 and according to the method of Siwoloboff. The test item does not show string of bubbles up to 300 deg C, inferring boiling point to be greater than 300 deg C at 976.4 hPa.
Executive summary:

The boiling point determination of Test chemical was done as per the test guideline OECD 103. The method followed was according to Siwoloboff. The test item does not show string of bubbles upto 300 deg C,inferring boiling point to be greater than 300 deg C at 976.4 hPa.

Description of key information

The boiling point determination of test chemical was done following OECD Guideline 103 and according to the method of Siwoloboff. The test item does not show string of bubbles up to 300 deg C, inferring boiling point to be greater than 300 deg C at 976.4 hPa.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
300 °C

Additional information

The boiling point determination of Test chemical was done as per the test guideline OECD 103. The method followed was according to Siwoloboff. The test item does not show string of bubbles upto 300 deg C,inferring boiling point to be greater than 300 deg C at 976.4 hPa.

From other reliable sources boiling point of test chemical is determine to be 288.88 Deg C.