Registration Dossier
Registration Dossier
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EC number: 600-587-9 | CAS number: 104617-49-4
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 16 august 2004
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: The study was conducted in GLP compliance and in accordance with several internationally established guidelines (OECD, EEC, EPA guidelines, see below).
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 004
- Report date:
- 2004
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7200 (Melting Point / Melting Range)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- capillary method
Test material
- Reference substance name:
- SND 919 Precursor 2 (SND 855 BS)
- IUPAC Name:
- SND 919 Precursor 2 (SND 855 BS)
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- Name of test material (as cited in study report): SND 919 Precursor 2 (SND 855 BS); SND 919 Precursor 2 (SND 855)
- Molecular formula (if other than submission substance): C7H11N3S
- Molecular weight (if other than submission substance): 169.25
- Structural formula attached as image file (if other than submission substance): see Reference substance
- CAS number: 104617-49-4
- Physical state: grey solid powder
- Analytical purity: 98.0%
- Purity test date: 17 october 2004
- Lot/batch No.: 14
- Expiration date of the lot/batch: october 2005
- Storage condition of test material: at room temperature, dark and dry
Constituent 1
Results and discussion
Melting / freezing point
- Melting / freezing pt.:
- 216.9 °C
- Atm. press.:
- 1 013 mBar
- Remarks on result:
- other: atmospheric pressure assumed
Any other information on results incl. tables
table 1 Measured temperatures corresponding to the stages of melting (Temp 1./2./3.) of SND 919 Precursor 2 (SND 855 BS) (three experiments (I, II, III) with three parallel samples each (1, 2, 3)
| Measured Temperatures during the Main Study (°C) | ||||||||||
| I/1 | I/2 | I/3 | II/1 | II/2 | II/3 | III/1 | III/2 | III/3 | Mean | |
| Temp.1. | 216.1 | 216.1 | 216.1 | 215.8 | 215.8 | 215.8 | 215.7 | 215.7 | 215.7 | 215.9 |
| Temp. 2. | 216.6 | 216.6 | 216.6 | 216.4 | 216.4 | 216.4 | 216.5 | 216.5 | 216.5 | 216.5 |
| Temp. 3. | 217.0 | 217.0 | 217.0 | 216.9 | 216.9 | 216.9 | 217.0 | 217.0 | 216.8 | 216.9 |
Applicant's summary and conclusion
- Conclusions:
- Using a linear heating rate of 0.5°C/min the melting point of SND 919 Precursor 2 (SND 855 BS) was found to be 216.9 +- 0.06°C (95% confidence intervall), i. e. 490.1 K.
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