Registration Dossier
Registration Dossier
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EC number: 601-017-1 | CAS number: 110964-79-9
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- October 2009
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline study performed according to Test A.1 - Reg.n°440-2008
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
- Report date:
- 2009
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- thermal analysis
- Remarks:
- Differential scanning calorimetry
Test material
- Reference substance name:
- NMSBA
- IUPAC Name:
- NMSBA
- Reference substance name:
- 4-methanesulfonyl-2-nitrobenzoic acid
- EC Number:
- 601-017-1
- Cas Number:
- 110964-79-9
- Molecular formula:
- C8 H7 N1 O6 S1
- IUPAC Name:
- 4-methanesulfonyl-2-nitrobenzoic acid
- Details on test material:
- Study performed on Commercial Batch n°30014009 which relates to NMSBA crude containing 15% water but in line with substance identity as described in Section 1.2
Analytical characterisation of the batch
SPECIFICATIONS METHODS RESULTS
Appearance Wet powder, LAM23/014/037 Accepted
white to greenish
Assay by titration >= 75.0 % LAM13/002/011.25 83,7 %
2-NMST by HPLC <= 3.0 % LAM13/002/011.46 0,9 %
Loss on drying by IR <= 20.0 % LAM13/002/011.26 15,0 %
The batch is in compliance with commercial specification
Constituent 1
Constituent 2
Results and discussion
Melting / freezing point
- Melting / freezing pt.:
- 215.3 °C
- Atm. press.:
- ca. 1 013 hPa
- Decomposition:
- no
- Sublimation:
- no
Any other information on results incl. tables
No decomposition appeared during the study up to 270°C
Applicant's summary and conclusion
- Executive summary:
The melting point of NMSBA is 215.3°C at ca.1013 hPa with no decomposition phenomena during the test.
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