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Physical & Chemical properties

Melting point / freezing point

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
05.02.2013 - 13.02.2013
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to
Guideline:
other: as mention below
Principles of method if other than guideline:
The temperature at which substance changes its phase at standard atmospheric pressure
GLP compliance:
no
Type of method:
capillary method
Specific details on test material used for the study:
- Name of test material (as cited in study report): 2-amino-4-nitrophenol
- Molecular Formula: C6H6N2O3
- Molecular Weight: 154.125 g/mol
- SMILES Notation: C1=CC(=C(C=C1[N+](=O)[O-])N)O
- InChI: 1S/C6H6N2O3/c7-5-3-4(8(10)11)1-2-6(5)9/h1-3,9H,7H2
- Substance type: Organic
- Physical state: solid
Key result
Melting / freezing pt.:
140 °C
Atm. press.:
995 hPa
Decomposition:
no
Sublimation:
no
Remarks on result:
other: Other details not available
Conclusions:
From experimental study details melting point of the 2-amino-4-nitrophenol is determine to be 140°C at pressure 995 hpa by capillary method.
Executive summary:

From experimental study details melting point of the 2-amino-4-nitrophenol is determine to be 140°C at pressure 995 hpa by capillary method.There was no decomposition & sublimation observed for 2-amino-4-nitrophenol at the melting point.

Description of key information

From experimental study details melting point of the 2-amino-4-nitrophenol is determine to be 140°C at pressure 995 hpa by capillary method.There was no decomposition & sublimation observed for 2-amino-4-nitrophenol at the melting point.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
140 °C

Additional information

From experimental study details melting point of the 2-amino-4-nitrophenol is determine to be 140°C at pressure 995 hpa by capillary method.There was no decomposition & sublimation observed for 2-amino-4-nitrophenol at the melting point.

From other reliable sources & authoritative database melting point of 2-amino-4-nitrophenol was determine in the range between 142-145°C & 143°C.