Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2007
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Well documented report of guideline study conducted according to GLP.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007
Report date:
2007

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
capillary method

Test material

Constituent 1
Chemical structure
Reference substance name:
2-acrylamido-2-methylpropanesulphonic acid
EC Number:
239-268-0
EC Name:
2-acrylamido-2-methylpropanesulphonic acid
Cas Number:
15214-89-8
Molecular formula:
C7H13NO4S
IUPAC Name:
(1Z)-N-(2-methyl-1-sulfopropan-2-yl)prop-2-enimidic acid
Details on test material:
- Name of test material: ATBS
- Physical state: white powder
- Analytical purity: 99.4 %
- Lot/batch No.: 061202
- Expiration date of the lot/batch: 30 june 2007
- Storage condition of test material: Room temperature in the dark
- Other: Date received: 18 January 2007

Results and discussion

Melting / freezing point
Melting / freezing pt.:
ca. 190 °C
Remarks on result:
other: Normal atmospheric pressure

Applicant's summary and conclusion

Conclusions:
The melting point of ATBS was found to be approximately 190°C using the capillary method (EU Method A.1.)