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Physical & Chemical properties

Melting point / freezing point

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Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Reference:
Composition 0
Principles of method if other than guideline:
Data from Handbook
GLP compliance:
not specified
Type of method:
other: No provided
Test material information:
Composition 1
Key result
Melting / freezing pt.:
>= 180 - <= 184 °C
Decomposition:
yes
Decomp. temp.:
ca. 184 °C
Conclusions:
The range of melting point of Thiosemicarbazide is 180 -184ºC.
Executive summary:

According to the Handbook of Environmental Data on Organic Chemicals, the range of melting point of Thiosemicarbazide is 180 -184ºC and in this temperature the test item decomposes.

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Reference:
Composition 0
Principles of method if other than guideline:
Data from Handbook
GLP compliance:
not specified
Type of method:
other: No provided
Test material information:
Composition 1
Key result
Melting / freezing pt.:
ca. 183 °C
Conclusions:
The melting point of Thiosemicarbazide is 183ºC.
Executive summary:

According the CRC handbook, the melting point of Thiosemicarbazide is 183ºC.

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Reference:
Composition 0
Principles of method if other than guideline:
Article data obtained from the Ullmanns encyclopedy.
GLP compliance:
not specified
Type of method:
other: Not provided
Test material information:
Composition 1
Key result
Melting / freezing pt.:
ca. 180 °C
Conclusions:
The melting point of Thiosemicarbazide is 180ºC.
Executive summary:

According the Ullmann encyclopedy, the melting point of Thiosemicarbazide is180ºC.

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Reference:
Composition 0
Principles of method if other than guideline:
Data from handbook
GLP compliance:
not specified
Type of method:
other: Not provided
Test material information:
Composition 1
Key result
Melting / freezing pt.:
>= 182 - <= 184 °C
Conclusions:
The range of melting point of Thiosemicarbazide is between 182-184ºC.
Executive summary:

According the Merck index, the range of melting point of Thiosemicarbazide is between 182-184ºC.

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Reference:
Composition 0
Principles of method if other than guideline:
Data from handbook
GLP compliance:
not specified
Type of method:
other: Not provided
Test material information:
Composition 1
Key result
Melting / freezing pt.:
>= 180 - <= 184 °C
Conclusions:
The range of melting point of Thiosemicarbazide is between 180-184ºC.
Executive summary:

According the handbook of Toxic and Hazardous Chemicals and Carcinogens, the range of melting point of Thiosemicarbazide is between 180-184ºC.

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Reference:
Composition 0
Principles of method if other than guideline:
Data from Publication: Journal of National Cancer Institute.
GLP compliance:
not specified
Type of method:
other: Not provided
Test material information:
Composition 1
Key result
Melting / freezing pt.:
>= 180 - <= 181 °C
Decomposition:
yes
Decomp. temp.:
ca. 181 °C
Conclusions:
The range of melting point of Thiosemicarbazide is 180 -181ºC.
Executive summary:

According to the present publication from the Journal of the National Cancer Institute the range of melting point of Thiosemicarbazide is 180 -181ºC and in this temperature the test item decomposes.

Description of key information

Weight of evidence: Based on the available data from the handbooks, the melting point of Thiosemicarbazide is between 180ºC and 184ºC.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
183 °C

Additional information

Weight of evidence: Based on the available data from handbook of Environmental Data on Organic Chemicals and handbook of Toxic and Hazardous Chemicals and Carcinogens with the range of melting point:180 - 184ºC, CRC handbook with melting point temperature 183ºC, temperature 180ºC from Ullmann´s encycloped, range 182 -184ºC from Merck index and range 180 -181ºC from publication from the Journal of the National Cancer Institute , the final melting point of Thiosemicarbazide is between 180ºC and 184ºC.