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EC number: 947-754-5 | CAS number: -
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Qualifier:
- according to guideline
- Guideline:
- other: OECD Guideline 113 (1981) Thermal stability
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Version / remarks:
- this guideline also applies to the result
- Type of method:
- effusion method: Knudsen cell
- Specific details on test material used for the study:
- During inquiry (inquiry number: 06-2120767575-41-0000 ) the name was changed from „Reaction mass of metaphosphoric acid and trisodium trimetaphosphate” to “Amorphous condensation products of orthophosphoric acid and sodium carbonate (3-6 : 1)“.
- Test no.:
- #1
- Temp.:
- 20 °C
- Vapour pressure:
- < 0.01 Pa
- Remarks on result:
- other:
- Remarks:
- Due to the fact that the test item showed no proper linear correlation of the logarithm of the vapour pressure and the inverse temperature 1/T using both effusion methods, the Antoine constants cannot be evaluated in the measured temperature range. Due to this result, the vapour pressure for the temperatures 20, 25 and 50 °C is estimated on the basis of the maximum measured vapour pressures of 9.10 x 10-3 Pa at a temperature 81 °C using the Knudsen cell method
- Test no.:
- #2
- Temp.:
- 25 °C
- Vapour pressure:
- < 0.01 Pa
- Remarks on result:
- other:
- Remarks:
- Due to the fact that the test item showed no proper linear correlation of the logarithm of the vapour pressure and the inverse temperature 1/T using both effusion methods, the Antoine constants cannot be evaluated in the measured temperature range. Due to this result, the vapour pressure for the temperatures 20, 25 and 50 °C is estimated on the basis of the maximum measured vapour pressures of 9.10 x 10-3 Pa at a temperature 81 °C using the Knudsen cell method
- Test no.:
- #3
- Temp.:
- 50 °C
- Vapour pressure:
- < 0.01 Pa
- Remarks on result:
- other:
- Remarks:
- Due to the fact that the test item showed no proper linear correlation of the logarithm of the vapour pressure and the inverse temperature 1/T using both effusion methods, the Antoine constants cannot be evaluated in the measured temperature range. Due to this result, the vapour pressure for the temperatures 20, 25 and 50 °C is estimated on the basis of the maximum measured vapour pressures of 9.10 x 10-3 Pa at a temperature 81 °C using the Knudsen cell method
- Conclusions:
- The test item showed no evaluable vapour pressure curve in the temperature range of 20 - 224 °C. Due to this result, the vapour pressure for the temperatures 20, 25 and 50 °C is estimated on the basis of the maximum vapour pressures measured by using the Knudsen cell method, according to Regulation EC No. 440/2008 Method A.4. Vapour Pressure and OECD Test Guideline 104 (2006)
Temperature/ °C Vapour pressure / Pa
20 < 10-2
25 < 10-2
50 < 10-2 - Executive summary:
Due to the fact that the test item showed no proper linear correlation of the logarithm of the vapour pressure and the inverse temperature 1/T using both effusion methods, the Antoine constants cannot be evaluated in the measured temperature range. Due to this result, the vapour pressure for the temperatures 20, 25 and 50 °C is estimated on the basis of the maximum measured vapour pressures of 9.10 x 10-3 Pa at a temperature 81 °C using the Knudsen cell method. The estimated vapour pressures are shown in Table below (estimated vapour pressure values for 20, 25 and 50 °C):
Temperature / °C
Vapour pressure / Pa
20
< 10-2
25
< 10-2
50
< 10-2
Reference
Thermal Stability
No thermal effects could be detected up to the maximum test temperature of 300 °C.
Table 1 : Results of the DSC-measurement
No. |
Sample weight / mg |
Start / °C |
Energy / Jig |
Remark |
PN12840 |
Glass |
--- |
--- |
Figure 2 |
Effusion method: Knudsen cell
The vapour pressure was determined for twelve temperatures in the temperature range of 20 - 141 °C. Since no evaluable vapour pressure curve could be determined , further tests were performed using the vapour pressure balance.
The measured vapour pressure values together with the measured temperatures of the Knudsen cell method are listed in Table 2:
Table 2: Results of the Effusion method using the Knudsen cell method
No. |
Temperature / °C |
Vapour pressure / Pa |
1 |
20 |
2.02 x 10-3 |
2 |
30 |
5.69 x 10-3 |
3 |
41 |
5.74 x 10-3 |
4 |
51 |
4.59 x 10-3 |
5 |
61 |
5.39 x 10-3 |
6 |
71 |
5.07 x 10-3 |
7 |
81 |
9.10 x 10-3 |
8 |
101 |
7.65 x 10-3 |
9 |
111 |
3.95 x 10-3 |
10 |
121 |
3.79 x 10-3 |
11 |
131 |
7.43 x 10-3 |
12 |
141 |
4.62 x 10-3 |
Effusion method: Vapour pressure balance
In the first measurement , a vapour pressure could be determined in the temperature range of 168 - 179 °C at the end of the measurement. Due to the fact that only two evaluable vapour pressure values could be determined, a second measurement with fresh test item was carried out in the temperature range of 173 - 224 °C for eight temperatures. Also no evaluable vapour pressure curve could be determined in measured temperature range using the vapour pressure balance.
The measured vapour pressure values of both measurements together with the measured temperatures using the vapour pressure balance are listed in Table 3:
Table 3: Results of the Effusion method using the vapour pressure balance
No. |
Temperature / °C |
Vapour pressure / Pa |
1-1 |
168 |
2.90 x 10-3 |
1-2 |
179 |
4.00 x 10-3 |
2-1 |
173 |
4.78 x 10-3 |
2-2 |
179 |
4.40 x 10-3 |
2-3 |
189 |
4.52 x 10-3 |
2-4 |
194 |
3.82 x 10-3 |
2-5 |
204 |
4.31 x 10-3 |
2-6 |
214 |
3.81 x 10-3 |
2-7 |
219 |
7.71 x 10-3 |
2-8 |
224 |
4.84 x 10-3 |
Description of key information
The test item amorphous condensation products of orthophosphoric acid and sodium carbonate (3-6 : 1) showed no evaluable vapour pressure curve in the temperature range of 20 - 224 °C. Due to this result, the vapour pressure for the temperatures 20, 25 and 50 °C is estimated on the basis of the maximum vapour pressures measured by using the Knudsen cell method, according to Regulation EC No. 440/2008 Method A.4. Vapour Pressure and OECD Test Guideline 104 (2006)
Temperature/ °C Vapour pressure / Pa
20 < 10-2
25 < 10-2
50 < 10-2
Key value for chemical safety assessment
- Vapour pressure:
- 0.01 Pa
- at the temperature of:
- 20 °C
Additional information
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