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EC number: 274-533-4 | CAS number: 70285-70-0
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 25 - 29 January 2021
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 021
- Report date:
- 2021
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- 2006
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- EC No. 440/2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Version / remarks:
- 1996
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: Knudsen cell
Test material
- Reference substance name:
- Adenosine 5'-(trihydrogen diphosphate), monopotassium salt
- EC Number:
- 274-533-4
- EC Name:
- Adenosine 5'-(trihydrogen diphosphate), monopotassium salt
- Cas Number:
- 70285-70-0
- Molecular formula:
- C10H14KN5O10P2
- IUPAC Name:
- potassium;[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl hydrogen phosphate
- Reference substance name:
- Water
- EC Number:
- 231-791-2
- EC Name:
- Water
- Cas Number:
- 7732-18-5
- Molecular formula:
- H2O
- IUPAC Name:
- Oxidane
- Reference substance name:
- Sum of impurities from ADP, K (each < 1 %)
- IUPAC Name:
- Sum of impurities from ADP, K (each < 1 %)
- Test material form:
- solid: particulate/powder
- Details on test material:
- Batch No.: 37779100
Storage Conditions: Refrigerator (approx. 2 °C to 8 °C)
Constituent 1
impurity 1
impurity 2
- Specific details on test material used for the study:
- Batch No.: 37779100
Storage: Refrigerator (approx. 2 °C to 8 °C)
Results and discussion
Vapour pressureopen allclose all
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- < 0.004 Pa
- Remarks on result:
- other: estimated on the basis of the maximum measured vapour pressures
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- < 0.004 Pa
- Remarks on result:
- other: estimated on the basis of the maximum measured vapour pressures
- Key result
- Temp.:
- 50 °C
- Vapour pressure:
- < 0.004 Pa
- Remarks on result:
- other: estimated on the basis of the maximum measured vapour pressures
Any other information on results incl. tables
The vapour pressure was measured in the temperature range from 24 to 99 °C. The measured vapour pressure values together with the measured temperatures are listed in the following table:
No. |
Temperature / °C |
Vapour pressure / Pa |
1 |
24.0 |
8.52 • 10-4 |
2 |
34.0 |
2.12 • 10-3 |
3 |
44.0 |
1.11 • 10-3 |
4 |
54.0 |
1.60 • 10-3 |
5 |
68.9 |
2.44 • 10-3 |
6 |
78.9 |
3.90 • 10-3 |
7 |
98.9 |
2.64 • 10-3 |
Due to the fact that the test item showed no proper linear correlation of the vapour pressure against the inverse temperature 1/T, the Antoine constants cannot be evaluated in the measured temperature range. Therefore, the vapour pressure are estimated according to the measured vapour pressures.
The test item Adenosine 5'-diphosphate monopotassium salt (dried) showed no evaluable vapour pressure curve in the temperature range of 24 to 99 °C. Due to this result, the vapour pressures for the temperatures 20, 25 and 50 °C are estimated on the basis of the maximum measured vapour pressures, according to Regulation (EC) No. 440/2008 Method A.4. and OECD Test Guideline 104 (2006).
Applicant's summary and conclusion
- Conclusions:
- The test item Adenosine 5'-diphosphate monopotassium salt (dried) (CAS no. 70285-70-0) showed no evaluable vapour pressure curve in the temperature range of 40 to 150 °C. Due to this result, the vapour pressures for the temperatures 20, 25 and 50 °C are estimated on the basis of the maximum measured vapour pressure, according to Regulation (EC) No. 440/2008 Method A.4. and OECD Test Guideline 104 (2006).
The vapour pressure of the test item was <3.9 × 10-3 Pa at 20°C, 25°C and 50°C. - Executive summary:
The test item Adenosine 5'-diphosphate monopotassium salt (dried) (CAS no. 70285-70-0) showed no evaluable vapour pressure curve in the temperature range of 40 to 150 °C. Due to this result, the vapour pressures for the temperatures 20, 25 and 50 °C are estimated on the basis of the maximum measured vapour pressure, according to Regulation (EC) No. 440/2008 Method A.4. and OECD Test Guideline 104 (2006).
The vapour pressure of the test item was <3.9 × 10-3 Pa at 20°C, 25°C and 50°C.
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