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EC number: 298-715-8 | CAS number: 93821-29-5
- 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
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- Specific investigations
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- 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:
- 25.7.2018 - 02.08.2018
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Qualifier:
- according to guideline
- Guideline:
- other: gas chromatography method
- Principles of method if other than guideline:
- The objective of this study was to determine the Vapor pressure of the test item, polyflow 130 using Gas chromatography method.
Following equipments were used in the study: Gas Chromatograph GC-2010 plus (Shimadzu, Japan)
The solvent n-Hexane was used as diluent and as well as reference item.
A Gas Chromatography involves equilibrium between volatile solute, solvent and an inert gas used as a carrier gas. A very basic equation relating the net solute retention time “t” at Temperature “T” in a solvent is given by
tx pos
--- = ------
ts pox
where tx = retention time of unknown solute in solvent
ts = retention time of reference solute in solvent
pos =Vapor pressure of reference solute in solvent
pox = Vapor pressure of unknown solute in solvent
The method was developed using GC – FID taking the following points in to consideration.
• The test item physical state was viscous liquid resembling peanut oil.
• The boiling point of the test item was 215.2 (sourced from study No., 8032)
• The vapor pressure of any test item equals 100 kPa (1atm pressure) at its boiling point
• The vapor pressure of the test item would be less than 100kPa, since water vapor pressure matches 100kPa at 100°C
• At 25°C the water vapor pressure is around 3.17 kPa, hence for the test item the vapor pressure would be less than 3.17kPa.
The reference items mentioned, having known pressures at 25°C was sourced from standard literatures mentioned and were prepared in n-hexane solvent and injected in to gas chromatography. The retention time of the individual reference item, which is based on their vapor pressure was recorded.
The calculations were carried out using Microsoft® Excel 2010. The values were interlinked and truncated to appropriate decimals based on its significance. There will be slight deviation in the final results if calculated using calculator.
Vapor pressure conversion factor = 133.322
Vapor pressure, mmHg x 133.322 = Vapor pressure, Pa
Regression equation = Y = bX + a
where Y = Ln (P°s)
b = Slope = -7.8506
X = Ln (ts)
a = Intercept = 14.6899 - GLP compliance:
- yes
- Type of method:
- other: Gas chromatogaphy
- Specific details on test material used for the study:
- Identification Polyflow 130
Appearance Yellow to amber colored liquid
Chemical Name Amines, N-tallow alkyltrimethylenedi-,reaction products with epichlorohydrin
Batch No. ST-637
CAS No. 93821-29-5
Molecular weight Not available
Molecular Formula Not available
Purity (%) Not available
Manufacturing date March, 2018
Expiry date Feb, 2020
Stability The product is stable under storage at normal ambient temperature
Storage conditions Room Temperature (20 to 30ºC)
Safety precautions Aprons, masks, caps, gloves and goggles were used to ensure the health and safety of the personnel - Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 1.3 Pa
- Conclusions:
- The vapor pressure of the liquid test item was 1.30Pa, derived from known vapor pressure of reference items at 25°C.
- Executive summary:
The test item Vapor pressure was determined by gas chromatography method. A Gas Chromatography involves equilibrium between volatile solute, solvent and an inert gas used as a carrier gas. The reference items were chosen such a way that the retention time covers the test item retention time. A natural logarithms data plot was constructed using ln (ts), the retention time and ln (P°s), the known vapor pressure (at 25°C) of the reference items. The regression coefficient >0.90 reveals method suitability. The regression equation was used to derive the vapor pressure of polyflow 130. The vapor pressure of the liquid test item was 1.30Pa
Reference
The test item Vapor pressure was determined by gas chromatography method. The reference items were chosen such a way that the retention time covers the test item retention time. A natural logarithms data plot was constructed using ln (ts), the retention time and ln (P°s), the known vapor pressure (at 25°C) of the reference items. The regression coefficient >0.90 reveals method suitability. The regression equation was used to derive the vapor pressure of polyflow 130. The details on data generated were given inTable -1
TABLE -1 VAPOR PRESSURE OF REFERENCE ITEMS AND TEST
ITEM
Reference items |
Retention time, Minutes (ts) |
Ln (ts) |
*Vapor pressure (P°s) |
LN (P°s) |
||||
R1 |
R2 |
Mean (ts) |
mm Hg |
Pa |
||||
Hexane |
1.809 |
1.808 |
1.809 |
0.592 |
153.0 |
2.040E+04 |
9.92 |
|
Toluene |
1.969 |
1.968 |
1.969 |
0.677 |
28.40 |
3.786E+03 |
8.24 |
|
Dimethyl phthalate |
10.912 |
10.928 |
10.920 |
2.391 |
0.00308 |
4.106E-01 |
-0.89 |
|
Dibutyl phthalate |
16.867 |
16.872 |
16.870 |
2.826 |
0.0000201 |
2.680E-03 |
-5.92 |
|
Chlorpyrifos |
17.222 |
17.22 |
17.221 |
2.846 |
0.0000202 |
2.693E-03 |
-5.92 |
|
Tebuconazole |
20.92 |
20.932 |
20.926 |
3.041 |
0.000000023 |
3.106E-06 |
-12.68 |
|
Permethrin |
23.625 |
23.624 |
23.625 |
3.162 |
0.0000000518 |
6.906E-06 |
-11.88 |
|
Slope |
-7.8506 |
|||||||
Intercept |
14.6899 |
|||||||
Correlation coefficient |
-0.9663 |
|||||||
Regression coefficient |
0.9338 |
|||||||
*Data representing at 25°C were sourced from standard literatures
Vapor pressure of test item Replicate-1 |
|||||
Test item |
RT (Min), tx |
Ln(tx) |
Vapor Pressure, Px |
||
Polyflow 130 |
6.281 |
1.8375 |
|||
Intercept(a) |
Slope (b) |
Ln (tx) |
(b) x Ln (tx) |
Ln (Px) |
(Pa) |
14.6899 |
-7.8506 |
1.8375 |
-14.4257 |
0.26 |
1.30 |
Vapor pressure of test item Replicate-1 |
|||||
Test item |
RT (Min), tx |
Ln(tx) |
Vapor Pressure, Px |
||
Polyflow 130 |
6.276 |
1.8367 |
|||
Intercept(a) |
Slope (b) |
Ln (tx) |
(b) x Ln (tx) |
Ln (Px) |
(Pa) |
14.6899 |
-7.8506 |
1.8367 |
-14.4257 |
0.26 |
1.30 |
Description of key information
The vapour pressure (Polyflo130; GC): 1.30Pa at 25 °C
Key value for chemical safety assessment
- Vapour pressure:
- 1.3 Pa
- at the temperature of:
- 25 °C
Additional information
The test item Vapor pressure was determined by gas chromatography method.A Gas Chromatography involves equilibrium between volatile solute, solvent and an inert gas used as a carrier gas.The reference items were chosen such a way that the retention time covers the test item retention time. A natural logarithms data plot was constructed using ln (ts), the retention time and ln (P°s), the known vapor pressure (at 25°C) of the reference items. The regression coefficient >0.90 reveals method suitability. The regression equation was used to derive the vapor pressure of polyflow 130.
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