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EC number: 204-310-9 | CAS number: 119-27-7
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:
- 20 December, 2017 - 17 January, 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline 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)
- Type of method:
- effusion method: vapour pressure balance
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: 55503625
- Expiration date of the lot/batch: 28 April 2019
- Date received: 28 April 2017
- Purity: 100%
- Appearance: Pale yellow powder
- Storage conditions: Room temperature (15 to 25°C), dark - Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 0.001 Pa
- Conclusions:
- The vapour pressure of DNAN was found to be 1 × 10^-3 Pa at 25°C.
- Executive summary:
The purpose of this study was to determine the vapour pressure of the test item, DNAN.
The study was conducted in accordance with accepted principles in order to meet the requirements of REACH Regulation (EU) No 1907/2006 of the European Parliament and of the Council, REACH Regulation (EC) No 440/2008 (as amended) of 30 May 2008 (Method A.4) and the OECD Guidelines for Testing of Chemicals (Method104).
The vapour pressure of DNAN was found to be 1 x 10-3Pa at 25ºC.
Reference
The results from Runs 1 and 2 are detailed in Tables 1 and 2, . A summary is shown below:
|
Run 1 |
Run 2 |
Correlation: |
-0.9969 |
-0.9808 |
Slope: |
-5022 |
-4531 |
Intercept: |
13.74 |
12.33 |
Log Vpat 25°C: |
-3.10 |
-2.86 |
Vp(Pa) at 25°C: |
7.9 × 10-4 |
1.4 × 10-3 |
The mean vapour pressure was 1 × 10-3 Pa at 25°C.
A visual assessment of the sample following testing confirmed that the test item had not undergone any changes
Table 1 Determination of the vapour pressure of DNAN (Run1)
Temperature (°C) |
Mass difference (µg) |
Condensationrate (µg/s) |
Vapour pressure (Pa) |
a |
Corrected vapour pressure (Pa) |
1/Temperature (1/K) |
Log vapour pressure |
||
|
From mass difference |
From condensation |
|
From mass difference |
From condensation |
|
|||
25.5 |
0.44 |
0.020 |
0.00073 |
0.00094 |
0.783 |
0.00120 |
0.00120 |
0.00335 |
-2.92 |
31.5 |
0.78 |
0.013 |
0.00128 |
0.00061 |
0.385 |
0.00159 |
0.00159 |
0.00328 |
-2.80 |
36.0 |
1.50 |
0.012 |
0.00247 |
0.00060 |
0.216 |
0.00277 |
0.00277 |
0.00323 |
-2.56 |
41.0 |
2.89 |
- |
0.00476 |
- |
- |
0.00476 |
- |
0.00318 |
-2.32 |
46.0 |
5.77 |
- |
0.00952 |
- |
- |
0.00952 |
- |
0.00313 |
-2.02 |
51.5 |
10.32 |
- |
0.01702 |
- |
- |
0.01702 |
- |
0.00308 |
-1.77 |
56.5 |
19.98 |
- |
0.03294 |
- |
- |
0.03294 |
- |
0.00303 |
-1.48 |
62.0 |
35.30 |
- |
0.05820 |
- |
- |
0.05820 |
- |
0.00298 |
-1.24 |
66.5 |
60.61 |
- |
0.09992 |
- |
- |
0.09992 |
- |
0.00294 |
-1.00 |
71.5 |
84.36 |
0.666 |
0.13908 |
0.03374 |
0.216 |
0.15595 |
0.15595 |
0.00290 |
-0.81 |
76.5 |
112.11 |
2.220 |
0.18483 |
0.11328 |
0.469 |
0.24148 |
0.24148 |
0.00286 |
-0.62 |
Table 2 Determination of the vapour pressure of DNAN (Run2)
Temperature (°C) |
Mass difference (µg) |
Condensationrate (µg/s) |
Vapour pressure (Pa) |
a |
Corrected vapour pressure (Pa) |
1/Temperature (1/K) |
Log vapour pressure |
||
|
From mass difference |
From condensation |
|
From mass difference |
From condensation |
|
|||
24.0 |
1.17 |
0.013 |
0.00192 |
0.00063 |
0.280 |
0.00223 |
0.00223 |
0.00337 |
-2.65 |
29.0 |
1.50 |
0.019 |
0.00247 |
0.00088 |
0.302 |
0.00291 |
0.00291 |
0.00331 |
-2.54 |
34.5 |
1.50 |
- |
0.00247 |
- |
- |
0.00247 |
- |
0.00325 |
-2.61 |
39.0 |
2.55 |
- |
0.00421 |
- |
- |
0.00421 |
- |
0.00320 |
-2.38 |
44.5 |
5.00 |
- |
0.00824 |
- |
- |
0.00824 |
- |
0.00315 |
-2.08 |
49.0 |
9.66 |
- |
0.01592 |
- |
- |
0.01592 |
- |
0.00310 |
-1.80 |
55.0 |
19.54 |
- |
0.03221 |
- |
- |
0.03221 |
- |
0.00305 |
-1.49 |
59.5 |
35.30 |
- |
0.05820 |
- |
- |
0.05820 |
- |
0.00301 |
-1.24 |
64.5 |
60.27 |
- |
0.09937 |
- |
- |
0.09937 |
- |
0.00296 |
-1.00 |
69.5 |
81.03 |
0.740 |
0.13359 |
0.03738 |
0.245 |
0.15228 |
0.15228 |
0.00292 |
-0.82 |
74.5 |
105.45 |
1.710 |
0.17385 |
0.08701 |
0.400 |
0.21736 |
0.21736 |
0.00288 |
-0.66 |
Description of key information
The vapour pressure of DNAN was found to be 1 x 10-3 Pa at 25ºC.
Key value for chemical safety assessment
- Vapour pressure:
- 0.001 Pa
- at the temperature of:
- 25 °C
Additional information
Vapour pressure determination of DNAN (Envigo CRS Limited, XC41NW, 2018) was performed according to EC Method A.4 and OECD Method 104 and in compliance with GLP. The vapour pressure was determined using a vapour pressure balance.
The vapour pressure of DNAN was found to be 1 x 10-3 Pa at 25°C.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
