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Diss Factsheets

Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

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Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
December 09, 2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Qualifier:
according to guideline
Guideline:
other: ASTM E 794-95
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
solid
Form:
solid
Substance type:
organic

Determination of the melting temperature

 

 

mass (mg)

Tonset(ºC)

Tendset(ºC)

Tpeak(ºC)

Sample I

(lot 5169)

Test 1

2,59

265,28

271,27

267,98

Test 2

3,50

265,01

271,36

268,09

Sample II

(lot 5181)

Test 3

3,48

264,97

272,09

267,65

Test 4

3,30

264,55

272,40

267,84

Sample III

(lot 5280)

Test 5

3,44

264,88

272,00

267,62

Test 6

3,17

264,52

272,18

267,79

Conclusions:
The test item is a solid at 1013 hPa and 20 °C.
Executive summary:

Method

The test item melting point was determined using the Differential Scanning Calorimetry (DSC) according to the ASTM E 794 -95.

Results

The value of the melting temperature corresponding to the fusion of the test substance, obtained from the average of the values returned from each test, resulted equal to 267.82 °C.

Conclusion

The test item is a solid at 1013 hPa and 20 °C.

Endpoint:
appearance / physical state / colour
Type of information:
other: qualitative assessment
Adequacy of study:
weight of evidence
Study period:
November 15, 2016
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: All evaluations are based on information about specification (technical standard), experience in dealing with the substance and visual evaluation
Principles of method if other than guideline:
Quaitative assessment
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
solid
Form:
solid: particulate/powder
Colour:
White
Substance type:
organic
Conclusions:
The substance is a white powder at 20 °C and 101325 Pa.
Executive summary:

The substance has been evaluated for appearance. The substance is a white powder at 20 °C and 101325 Pa.

Description of key information

The test item is a white powder at 1013 hPa and 20 °C.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

DSC analysis and qualitative assessment