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Physical & Chemical properties

Water solubility

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Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2009-02-16 - 2009-03-30
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
GLP compliance:
yes
Type of method:
flask method
Key result
Water solubility:
2 200 mg/L
Temp.:
20 °C
pH:
>= 4.6 - <= 5.9

Main test

 

Six samples were prepared, each of which contained approx. 250 mg of the test item in 10.0 ml

water. The samples were shaken at 30 C for 24, 48 and 72 h, respectively, then equilibrated at 20 ± 0.5 C for at least 24 h and centrifuged at 3000 rpm for 20 min at 20 °C. The concentration of the test item in these clear aqueous phases of the samples was analysed by HPLC.

 

Sample No.

Amount of test item

[mg]

Added volume of water

[ml]

Shaking time at 30 °C

[h]

Analysed conc. of the test item

[g/l]

pH value 1)

1

250.57

10

24

2.0

5.8

2

251.41

10

24

2.3

5.8

3

250.67

10

48

2.2

4.6

4

251.88

10

48

2.3

5.6

5

251.74

10

72

2.0

5.9

6

251.02

10

72

2.1

5.6

1)      The purified water used for the tests had a pH value of 6.0

 

 

 

Mean value

[g/l

Standard deviation

[g/l]

Relative standard deviation

[%]

Samples 1 to 6

2.2

0.1

5

 

 

 

Duplicate set of samples after 24 h at 30 °C

Duplicate set of samples after 48 h at 30 °C

Duplicate set of samples after 72 h at 30 °C

Mean avlue

Water solubility

2.15 g/l

2.25 g/l

2.05 g/l

2.2 g/l

 

The relative standard deviation (repeatability) of the concentrations in all six samples was smaller

than 15 % and the three duplicate sets of samples showed no tendency of increasing concentration values.Thus the test was satisfactory.

Conclusions:
Interpretation of results (migrated information): soluble (1000-10000 mg/L)
The water solubility of Allyl methacrylate is reported to be 2200 mg/L at 20°C (determined according to OECD guideline 105, adopted 27 July 1995;
flask method).
Executive summary:

The water solubility of Allyl methacrylate is reported to be 2200 mg/L at 20°C (determined according to OECD guideline 105, adopted 27 July 1995; flask method).

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Description of key information

The water solubility of Allyl methacrylate is reported to be 2200 mg/L at 20°C (OECD guideline 105).

Key value for chemical safety assessment

Water solubility:
2.12 g/L
at the temperature of:
20 °C

Additional information