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EC number: 201-184-7 | CAS number: 79-19-6
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- 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
- Principles of method if other than guideline:
- Data from Handbook
- GLP compliance:
- not specified
- Type of method:
- other: No provided
- 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
- Principles of method if other than guideline:
- Data from Handbook
- GLP compliance:
- not specified
- Type of method:
- other: No provided
- 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
- Principles of method if other than guideline:
- Article data obtained from the Ullmanns encyclopedy.
- GLP compliance:
- not specified
- Type of method:
- other: Not provided
- 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
- Principles of method if other than guideline:
- Data from handbook
- GLP compliance:
- not specified
- Type of method:
- other: Not provided
- 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
- Principles of method if other than guideline:
- Data from handbook
- GLP compliance:
- not specified
- Type of method:
- other: Not provided
- 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
- 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
- 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.
Referenceopen allclose all
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.
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