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EC number: 236-283-4 | CAS number: 13280-60-9
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 15 - 23 October 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
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: vapour pressure balance
Test material
- Reference substance name:
- 5-amino-2-nitrobenzoic acid
- EC Number:
- 236-283-4
- EC Name:
- 5-amino-2-nitrobenzoic acid
- Cas Number:
- 13280-60-9
- Molecular formula:
- C7H6N2O4
- IUPAC Name:
- 5-amino-2-nitrobenzoic acid
- 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:
- Unknown impurities.
- Molecular formula:
- Not available as unknown impurities.
- IUPAC Name:
- Unknown impurities.
- Test material form:
- solid
- Details on test material:
- Batch / Lot No. 10044431
Constituent 1
impurity 1
impurity 2
- Specific details on test material used for the study:
- Batch No.: 10044431
Storage Conditions: Room temperature (approx. 15 to 25 °C)
Results and discussion
Vapour pressureopen allclose all
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: calculated by extrapolation of the measured vapour pressure curve
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: calculated by extrapolation of the measured vapour pressure curve
- Key result
- Temp.:
- 50 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: calculated by extrapolation of the measured vapour pressure curve
Any other information on results incl. tables
The vapour pressure was measured in the temperature range of 148 to 183 °C. The measured vapour pressure values together with the measured temperatures are shown in the table in the next section "overall remarks".
From the measured data points of the vapour pressure curve the constants A and B of the Antoine equation
log10(p) = A + B/T = A + B/(C+t)
can be derived by regression of the data points to
A = 10.5509 B = -5562.77 C = 273.15.
The vapour pressure of the test item5-Amino-2-nitrobenzoicacidcalculated by extrapolation of the measured vapour pressure curve for the temperatures 20, 25 and 50 °C, according to Regulation EC No. 440/2008 Method A.4.Vapour PressureandOECD Test Guideline 104 (2006).
Temperature / °C |
Vapour pressure / Pa |
20 |
3.8 × 10-9 |
25 |
7.8 × 10-9 |
50 |
2.2 × 10-7 |
Applicant's summary and conclusion
- Conclusions:
- The vapour pressure of the test item 5-Amino-2-nitrobenzoic acid (CAS no. 13280-60-9) was calculated by extrapolation of the measured vapour pressure curve for the temperatures 20, 25 and 50 °C, according to Regulation EC No. 440/2008 Method A.4. Vapour Pressure and OECD Test Guideline 104 (2006). The vapour pressure of the test item was 3.8 × 10-9 Pa at 20°C, 7.8 × 10-9 Pa at 25°C and 2.2 × 10-7 Pa at 50°C.
- Executive summary:
The vapour pressure of the test item 5-Amino-2-nitrobenzoic acid (CAS no. 13280-60-9) was calculated by extrapolation of the measured vapour pressure curve for the temperatures 20, 25 and 50 °C, according to Regulation EC No. 440/2008 Method A.4.Vapour Pressure and OECD Test Guideline 104 (2006).
Temperature (°C)
Vapour pressure (Pa)
20
3.8 × 10-9
25
7.8 × 10-9
50
2.2 × 10-7
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