Registration Dossier
Registration Dossier
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EC number: 481-150-8 | CAS number: 500011-86-9
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- April 2, 2006 - September 15, 2006
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Well documented GLP and OECD 104 guideline study.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 006
- Report date:
- 2006
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- Remarks:
- The study was conducted according to the guideline in effect at time of study conduct.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- Remarks:
- The study was conducted according to the guideline in effect at time of study conduct.
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- gas saturation method
Test material
- Reference substance name:
- -
- EC Number:
- 481-150-8
- EC Name:
- -
- Cas Number:
- 500011-86-9
- Molecular formula:
- C9H5BrClN3O2
- IUPAC Name:
- 3-bromo-1-(3-chloropyridin-2-yl)-1H-pyrazole-5-carboxylic acid
- Reference substance name:
- 1H-Pyrazole-5-Carboxylic Acid, 3-Bromo-1-(3-Chloro-2-Pyridinyl)-
- IUPAC Name:
- 1H-Pyrazole-5-Carboxylic Acid, 3-Bromo-1-(3-Chloro-2-Pyridinyl)-
- Reference substance name:
- DBC80
- IUPAC Name:
- DBC80
- Details on test material:
- - Name of test material (as cited in study report): IN-DBC80
- Molecular weight: 302.52
- Physical state: Tan colour powder
- Analytical purity: 96.7%
- Lot/batch No.: 008
- Expiration date of the lot/batch: 22nd July, 2008
- Storage condition of test material: Stored in the dark at room temperature.
Constituent 1
Constituent 2
Constituent 3
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: Average of 3 replicates. Std. deviation = 8.3 x 10E-7 Pa
- Temp.:
- 40 °C
- Vapour pressure:
- 0.002 Pa
- Remarks on result:
- other: Average of 3 replicates. Std. deviation = 2.5 x 10E-5 Pa
Any other information on results incl. tables
- Statistical analyses included calculation of the average, standard deviation and relative standard deviation as appropriate.
The concentration of the test item in the carrier gas in the preliminary experiment was calculated using the following equation:
GC = W/V
Where GC = Concentration of the test item in the carrier gas (ug/mL), W = Mass of the test item collected (ug), V = Volume of gas (m3) [flow-rate (m3/min) × exposure time (min)]
The vapour pressure of the test item was calculated using the following equation:
P=W/V x RT/M
Where P = Vapour pressure (Pa) at the test temperature, W = Mass of the test item collected (g), V = Volume of gas (m3) [flow-rate (m3/min) × exposure time (min)], R = Universal molar gas constant 8.314 (J mol-1 K-1), T = Temperature (K), M = Molecular weight of the test item (302.52 g/mole)
Applicant's summary and conclusion
- Conclusions:
- The vapour pressure at 20 deg C was 4.06x10E-5 Pa and at 40 deg C was 2.29x10E-3 Pa.
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