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Melting point / freezing point

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Justification for type of information:
Data from authoritative database abd hanbook
Qualifier:
according to guideline
Guideline:
other: as mentioned below
Principles of method if other than guideline:
Data from authoritative database abd hanbook
GLP compliance:
no
Type of method:
other: no data
Specific details on test material used for the study:
study report): 3-nitroacetophenone
Molecular formula :C8H7NO3
Molecular weight : 165.147
Smiles notation : c1(cc(ccc1)[N+](=O)[O])
C(C)=O
InChl :1S/C8H7NO3/c16(10)73248(57)
9(11)12/h25H,1H3
Substance type: Organic
Physical state: Solid
Melting / freezing pt.:
81 °C
Remarks on result:
other: no other details available
Conclusions:
Based on available data from reliable sources such as authoritative database and handbook,the melting point of chemical 3-nitroacetophenone was determined to be 81 degree C
Executive summary:

Based on available data from reliable sources such as authoritative database and handbook,the melting point of chemical 3-nitroacetophenone was determined to be 81 degree C

Description of key information

The melting point determination of 3'-nitroacetophenone (CAS No. 121-89-1) was done following OECD Guideline 102 and according to the metal block capillary method. The test was conducted in replicates and mean melting temperature range was determined to be in the range of 74.6 °C - 79.3°C at 977.1hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
74.6 °C

Additional information

The melting point determination of 3'-nitroacetophenone (CAS No. 121-89-1) was done following OECD Guideline 102 and according to the metal block capillary method. The test was conducted in replicates and mean melting temperature range was determined to be in the range of 74.6 °C - 79.3°C at 977.1hPa.

other supporting studies from reliable sources such as authoritative database and handbook,suggests that the melting point of chemical 3-nitroacetophenone was determined to be in the range of 80 degree C to 81 degree C.

As the data from lab has K1 reliability and the test was performed using OECD guidelines which has the value of melting point temperature as 74.6 °C - 79.3°C at 977.1hPa.

thus considered as key study for the chemical safety assessment.

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