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EC number: 905-474-0 | 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
- Study period:
- August 2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- Study conducted according to OECD 104 and EU A.4 guidelines, under GLP without deviation and with certificate of analysis included.
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- 2015-03-05
- Type of method:
- static method
- Test no.:
- #1
- Temp.:
- 293.15 K
- Vapour pressure:
- ca. 147 Pa
- Remarks on result:
- other: First trial
- Test no.:
- #1
- Temp.:
- 298.15 K
- Vapour pressure:
- ca. 191 Pa
- Remarks on result:
- other: First trial
- Test no.:
- #2
- Temp.:
- 293.15 K
- Vapour pressure:
- ca. 106 Pa
- Remarks on result:
- other: Second trial
- Test no.:
- #2
- Temp.:
- 298.15 K
- Vapour pressure:
- ca. 145 Pa
- Remarks on result:
- other: Second trial
- Test no.:
- #3
- Temp.:
- 293.15 K
- Vapour pressure:
- 105 Pa
- Remarks on result:
- other: Third trial
- Test no.:
- #3
- Temp.:
- 298.15 K
- Vapour pressure:
- 144 Pa
- Remarks on result:
- other: Third trial
- Key result
- Temp.:
- 293.15 K
- Vapour pressure:
- ca. 106 Pa
- Remarks on result:
- other: Mean
- Key result
- Temp.:
- 298.15 K
- Vapour pressure:
- ca. 145 Pa
- Remarks on result:
- other: Mean
- Conclusions:
- Using the static method according to guideline OECD 104 and method EU A.4, vapour pressure of REACTION MASS OF DL-LIMONENE, ALPHA-GAMMA-TERPINENES, TERPINOLENE is 106 Pa at 20°C and 145 Pa at 25°C.
- Executive summary:
A study was performed to determine the vapour pressure of test item REACTION MASS OF DL-LIMONENE, ALPHA-GAMMA-TERPINENES, TERPINOLENE. The method followed was designed to be compliant with the OECD Guideline for Testing of Chemicals No. 104, "Vapour Pressure", adopted in March, 2006 and Regulation (EC) No 761/2009, EC A4, 23 July 2009.
In this analytical method, the vapour pressure of the test item at thermodynamic equilibrium was determined at various specified temperatures (from 24 to 32°C).
The Log10(Vapour Pressure (Pa)) was plotted against 1/T (K) and a linear function was obtained. With this equation, the vapour pressure has been calculated for temperatures of 20°C and 25°C.
Three trials were conducted and five points were recorded for each trial.
Log10 (Vapour Pressure (Pa)) was plotted against reciprocal temperature and values of vapour pressure were calculated at 20°C and 25°C with the linear function parameters (slope and intercept).
As trials 1 and 2 did not respect validity criteria (The difference between the two determinations at 25°C has to be less than 20%), a third 3 trials has been performed.
Values of trials 2 and 3 respect validity criteria (less than 20% of difference) and the linear functions obtained own a correlation coefficient R² over 0.95.
Moreover the calculated values showed good correspondence with the experimentally determined ones.
In conclusion, the vapour pressure of REACTION MASS OF DL-LIMONENE, ALPHA-GAMMA-TERPINENES, TERPINOLENE is 106 Pa at 20°C and 145 Pa at 25°C.
Reference
First trial:
Vapour Pressure (Pa) |
Time (hh:mn) |
Corresponding Temperature (°C) |
Temperature (K) |
1/T (K-1) |
Log10(p) |
174 |
11:00 |
23.5 |
296,65 |
3,371E-03 |
2.241 |
199 |
12:40 |
25.6 |
298.75 |
3,347E-03 |
2.299 |
224 |
14:15 |
27.8 |
300.95 |
3,323E-03 |
2.350 |
240 |
15:30 |
30.0 |
303.15 |
3,299E-03 |
2.380 |
275 |
16:40 |
32.4 |
305.55 |
3,272787E-03 |
2,439 |
A plot of Log10(p) versus reciprocal temperature (1/T) (with p in Pa and T in K) gives the following statistical data using an unweighted least square treatment.
Slope -1954.8
Intercept 8.8367
R² 0.9905
The results obtained indicate the following vapour pressure relationship:
Log10(p (Pa)) = -1954.8 / T (K) +8.8367
The above equation yields a vapour pressure of 147 Pa at 293.15 K and 191 Pa at 298.15 K.
Second trial:
Vapour Pressure (Pa) |
Time (hh:mn) |
Corresponding Temperature (°C) |
Temperature (K) |
1/T (K-1) |
Log10(p) |
132 |
11:40 |
23.6 |
296.75 |
3.370E-03 |
2.121 |
152 |
14:00 |
25.8 |
298.95 |
3.345E-03 |
2.182 |
174 |
15:40 |
27.9 |
301.05 |
3.322E-03 |
2.241 |
196 |
17:00 |
30.1 |
303.25 |
3.298E-03 |
2.292 |
224 |
18:15 |
32.3 |
305.45 |
3.274E-03 |
2.350 |
A plot of Log10(p) versus reciprocal temperature (1/T) (with p in Pa and T in K) gives the following statistical data using an unweighted least square treatment.
Slope -2380.1
Intercept 10.143
R² 0.9994
The results obtained indicate the following vapour pressure relationship:
Log10(p (Pa)) = -2380.1/ T (K) +10.143
The above equation yields a vapour pressure of 106 Pa at 293.15 K and 145 Pa at 298.15 K.
Third trial:
Vapour Pressure (Pa) |
Time (hh:mn) |
Corresponding Temperature (°C) |
Temperature (K) |
1/T (K-1) |
Log10(p) |
130 |
11:00 |
23.5 |
296.65 |
3.371E-03 |
2.114 |
150 |
12:30 |
25.6 |
298.75 |
3.347E-03 |
2.176 |
171 |
14:30 |
27.8 |
300.95 |
3.323E-03 |
2.233 |
197 |
16:30 |
30.2 |
303.35 |
3.297E-03 |
2.294 |
221 |
17:50 |
32.3 |
305.45 |
3.274E-03 |
2.344 |
A plot of Log10(p) versus reciprocal temperature (1/T) (with p in Pa and T in K) gives the following statistical data using an unweighted least square treatment.
Slope -2364.4
Intercept 10.087
R² 0.9991
The results obtained indicate the following vapour pressure relationship:
Log10(p (Pa)) = -2364.4/ T (K) +10.087
The above equation yields a vapour pressure of 105 Pa at 293.15 K and 144 Pa at 298.15 K.
Description of key information
Vapour pressure of dipentene multiconstituent was determined using the static method (15 individual measurements):
106 Pa at 20°C
145 Pa at 25°C
Key value for chemical safety assessment
- Vapour pressure:
- 106 Pa
- at the temperature of:
- 20 °C
Additional information
A study was conducted according to OECD 104 and EU A.4 guidelines to measure the vapour pressure of dipentene multiconstituent. As the results were obtained under GLP without deviation, they were considered as valid and reliable without restriction and used to propose a key value.
This result is supported by consistent experimental data obtained with one main constituent of the substance, d-limonene.
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