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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
Study period:
14-07-2017 – 14-07-2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Principles of method if other than guideline:
The melting point determination of Sodium naphthalene-1-sulphonate (CAS No. 130-14-3) was done following OECD Guideline 102 and according to the metal block capillary method.
GLP compliance:
not specified
Type of method:
other: standard laboratory method
Specific details on test material used for the study:
- Name of test material: sodium naphthalene-1-sulfonate
- Molecular formula: C10H7NaO3S
- Molecular weight: 230.218 g/mol
- Smiles notation: c12c(S(=O)(=O)[O-])cccc1cccc2.[Na+]
- InChl: 1S/C10H8O3S.Na/c11-14(12,13)10-7-3-5-8-4-1-2-6-9(8)10;/h1-7H,(H,11,12,13);/q;+1/p-1
- Substance type: Organic
- Physical state: Solid
Key result
Melting / freezing pt.:
> 302.8 - < 306.1 °C
Decomposition:
no
Sublimation:
no
Remarks on result:
other: other details not available
Conclusions:
The melting point determination of Sodium naphthalene-1-sulphonate (CAS No. 130-14-3) 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 observed to be 302.8 - 306.1°C at 965.1hPa.
Executive summary:

The melting point determination of Test item Sodium naphthalene-1-sulphonate (CAS No. 130-14-3 ) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean melting temperature range was observed to be 302.8 - 306.1°C at 965.1 hPa.

Description of key information

The melting point determination of Sodium naphthalene-1-sulphonate (CAS No. 130-14-3) 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 observed to be 302.8 - 306.1°C at 965.1 hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
302.8 °C

Additional information

The melting point determination of Sodium naphthalene-1-sulphonate (CAS No. 130-14-3) 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 observed to be 302.8 - 306.1°C at 965.1 hPa.