Registration Dossier
Registration Dossier
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EC number: 204-282-8 | CAS number: 118-88-7
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 18.12.2012 to 03.01.2013
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2013
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: capillary method
- 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
Test material
- Reference substance name:
- 4-aminotoluene-2-sulphonic acid
- EC Number:
- 204-282-8
- EC Name:
- 4-aminotoluene-2-sulphonic acid
- Cas Number:
- 118-88-7
- Molecular formula:
- C7H9NO3S
- IUPAC Name:
- 5-amino-2-methylbenzene-1-sulfonic acid
- Test material form:
- other: soild
- Details on test material:
- Name of the test material: 4-aminotoluene-2-sulphonic acid
Molecular formula: C7H9NO3S
Molecular weight: 187.21
Physical state: Solid
Substance Type: Organic
Constituent 1
Results and discussion
Melting / freezing point
- Melting / freezing pt.:
- > 200 °C
- Atm. press.:
- 975 hPa
- Decomposition:
- no
- Sublimation:
- no
Applicant's summary and conclusion
- Conclusions:
- The melting point of 4-aminotoluene-2-sulphonic acid by the capillary method was found to be >200 deg C at an atmospheric pressure of 975 hPa. There was no decomposition & sublimation observed of 4-aminotoluene-2-sulphonic acid at the melting point.
- Executive summary:
The melting point of 4-aminotoluene-2-sulphonic acid by the capillary method was found to be>200 deg Cat an atmospheric pressure of 975 hPa. There was no decomposition & sublimation observed of 4-aminotoluene-2-sulphonic acid at the melting point.
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