Registration Dossier
Registration Dossier
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EC number: 226-408-0 | CAS number: 5395-50-6
Boiling point
Administrative data
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 002
- Report date:
- 2002
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- other: static method
Test material
- Reference substance name:
- Tetrahydro-1,3,4,6-tetrakis(hydroxymethyl)imidazo[4,5-d]imidazole-2,5(1H,3H)-dione
- EC Number:
- 226-408-0
- EC Name:
- Tetrahydro-1,3,4,6-tetrakis(hydroxymethyl)imidazo[4,5-d]imidazole-2,5(1H,3H)-dione
- Cas Number:
- 5395-50-6
- Molecular formula:
- C8H14N4O6
- IUPAC Name:
- 1,3,4,6-tetrakis(hydroxymethyl)-octahydro-[1,3]diazolo[4,5-d]imidazole-2,5-dione
- Test material form:
- liquid
Constituent 1
Results and discussion
Boiling point
- Key result
- Boiling pt.:
- 100.2 °C
- Atm. press.:
- 1 013.25 hPa
Any other information on results incl. tables
Results
Temperature [°C] |
Vapour pressure (measurement) [hPa] |
Vapour pressure (calculation) [hPa] |
19.52 |
22.65 |
22.64 |
29.50 |
40.85 |
40.93 |
39.46 |
70.93 |
70.91 |
49.44 |
118.7 |
118.4 |
59.53 |
191.4 |
191.3 |
69.43 |
299.6 |
299.7 |
79.46 |
456.0 |
457.1 |
89.45 |
678.1 |
678.6 |
99.45 |
986.3 |
984.6 |
The regression of the results leads with a mean deviation of 0, 12 % to the following equation:
ln(p/hPa) = 19.2062- 4196.33 / (241.33 + t/°C)
As a check, a low-temperatur reading was repeated. At 49.43°C a vapour pressure of 119.0 hPa was found.
The test item is liquid in the temperature range used for the vapour pressure measurements.
The Normal Boiling Temperature was obtained by extrapolation from the vapour pressure curve. The result is 100.2 °`C at 1013.25 hPa.
Applicant's summary and conclusion
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