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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Vapour pressure

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Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: scientifically acceptable

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1997
Report date:
1997

Materials and methods

Test guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Principles of method if other than guideline:
Method: other (measured): dynamic using nitrogen
GLP compliance:
no
Type of method:
dynamic method
Remarks:
using nitrogen

Test material

Constituent 1
Chemical structure
Reference substance name:
p-(dimethoxymethyl)anisole
EC Number:
218-577-4
EC Name:
p-(dimethoxymethyl)anisole
Cas Number:
2186-92-7
Molecular formula:
C10H14O3
IUPAC Name:
1-(dimethoxymethyl)-4-methoxybenzene
Details on test material:
- Name of test material (as cited in study report): 4-Methoxybenzaldehyd-dimethylacetal
- Analytical purity: 99.3%

p-(dimethoxymethyl)anisole, purity 99.3 %

Results and discussion

Vapour pressureopen allclose all
Temp.:
25 °C
Vapour pressure:
0.024 hPa
Remarks on result:
other: extrapolated
Temp.:
50 °C
Vapour pressure:
0.209 hPa
Remarks on result:
other: extrapolated
Temp.:
61.2 °C
Vapour pressure:
0.48 hPa

Any other information on results incl. tables

experimental data:
temperature (°C)    vapour pressure (hPa)
61.23 0.48
66.68 0.70
72.08 1.00
83.31 2.01
90.28 3.01
99.58 5.01
106.04 7.02
113.15 10.02
128.06 20.08
137.45 30.07
150.16 50.12
159.04 70.17
169.01 100.18
190.41 200.52
203.88 300.82
222.41 501.26
235.63 700.85
250.74 1002.07

Applicant's summary and conclusion