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Physical & Chemical properties

Melting point / freezing point

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Administrative data

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Reference
Endpoint:
melting point/freezing point
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
Justification for type of information:
Data is from modelling database developed by USEPA
Qualifier:
according to guideline
Guideline:
other: Estimated data
Principles of method if other than guideline:
MPBPVP v1.43 was used to estimate the Melting point of chemical Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate
GLP compliance:
not specified
Type of method:
other: Estimated by calculation
Specific details on test material used for the study:
- Name of test material: Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate
- IUPAC name: Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate
- Molecular formula: C22H15N4O4S.Na
- Molecular weight: 455.448 g/mole
- Smiles : c12c(\N=N\c3ccc(\N=N\c4ccc(S(O)(=O)=O)cc4)cc3)c(ccc1cccc2)O.[Na+]
- Inchl: 1S/C22H16N4O4S.Na/c27-21-14-5-15-3-1-2-4-20(15)22(21)26-25-17-8-6-16(7-9-17)23-24-18-10-12-19(13-11-18)31(28,29)30;/h1-14,27H, (H,28,29,30);/q;+1/b24-23+,26-25+;
- Substance type: Organic
- Physical state: Solid powder (red to brown)
Key result
Melting / freezing pt.:
349.84 °C
Remarks on result:
other: Estimated value
Conclusions:
Based on prediction done using MPBPVP v1.43, the melting point of chemical Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate was estimated to be 349.84 ˚C.
Executive summary:

Based on the prediction done using the EPI Suite MPVPBP V1.43, the melting point of chemical Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate was predicted.

The melting point of chemical Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate was estimated to be 349.84 ˚C

Description of key information

Based on prediction done using MPBPVP v1.43, the melting point of chemical Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate was  estimated to be 349.84 ˚C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
349.84 °C

Additional information

Based on the prediction done using the EPI Suite MPVPBP V1.43, the melting point of chemical Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate was predicted.

The melting point of chemical Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate was estimated to be 349.84 ˚C.