Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
5 April 2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study conducted in accordance with generally accepted scientific principles, possibly with incomplete reporting or methodological deficiencies, which do not affect the quality of the relevant results.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
GLP compliance:
no
Type of method:
capillary method

Test material

Constituent 1
Chemical structure
Reference substance name:
5-amino-3-methylthiophene-2,4-dicarbonitrile
EC Number:
610-868-8
Cas Number:
52603-48-2
Molecular formula:
C7N3H5S
IUPAC Name:
5-amino-3-methylthiophene-2,4-dicarbonitrile

Results and discussion

Melting / freezing point
Melting / freezing pt.:
225.13 °C
Decomposition:
no
Sublimation:
no

Any other information on results incl. tables

No atmospheric pressure for the test was provided.

Table 1: Temperatures at which each of the above stages occured.

 

STAGE

Measurement

A

B

C

D

E

1

224.00oC

224.25oC

224.50oC

224.80oC

225.00oC

2

223.50oC

224.00oC

224.25oC

225.00oC

225.25oC

Applicant's summary and conclusion

Conclusions:
The test compound was found to have an average melting point of 225.13 °C.
Executive summary:

In a melting point determination study (KP04052010), the average melting point of the test material was determined to be 225.13 °C, according to OECD test Method 102.