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EC number: 203-783-9 | CAS number: 110-61-2
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- GLP compliance:
- not specified
- Type of method:
- flask method
- Key result
- Water solubility:
- ca. 119.9 g/L
- Conc. based on:
- test mat.
- Incubation duration:
- > 24 - 72 h
- Temp.:
- 20 °C
- pH:
- ca. 5.4
- Details on results:
- The result of the preliminary test: Sample mass: 0.11 g
The result of Water Solubility: 119.9 g/L pH =5.4 20°C. - Conclusions:
- The concentrations measured in the three flasks do not differ by more than 15% each other,
the test is satisfactory and the average value of all results can be calculated as the water
solubility.
The last result of water solubility is the mean of the concentrations measured in the three
flasks: [(1.214+1.208+1.175)><10'1/3] g/mL =119.9 g/L, and pH =5.4o - Executive summary:
The water solubility is determined according to “Flask Method” in “OECD 105 WaterSolubility”. Excessive sample is put in water at 30 °C, when saturation is achieved, the mixture is cooled and kept at 20°C. The mass concentration of a.i. in the sample in the aqueous solution, is be determined by GC method. The concentrations measured in the three flasks do not differ by more than 15% each other, the test is satisfactory and the average value of all results can be calculated as the water solubility.
The last result of water solubility is the mean of the concentrations measured in the three flasks: [(1.214+1.208+1.175)><10'1/3] g/mL =119.9 g/L, and pH =5.4
Reference
Table 8 The result of Water Solubility
| No. | Solution | Mass taken (g) | pH at 20°C | Peak area | Average value of peak areas | Factor (f) | Average value of f | Mass concentration (g/ml, 20°C) | |
| 1 | STD1 | 0.1221 | / | 782.43719 | / | 6.4127E+05 | / | / | |
| 2 | SMP1 | / | 5.4 | 778.20648 | 778.99954 | / | 6.4171E+05 | 1.214E-01 | |
| 3 | 779.79260 | ||||||||
| 4 | STD2 | 0.1074 | / | 689.18903 | / | 6.4215E+05 | / | / | |
| 5 | SMP2 | / | 5.4 | 780 .08844 | 780.61042 | / | 6.4605E+05 | 1.208E-01 | |
| 6 | 781.13239 | ||||||||
| 7 | STD1 | 0.1221 | / | 793.02759 | / | 6.4995E+05 | / | / | |
| 8 | SMP3 | / | 5.4 | 773.50995 | 776.49945 | / | 6.6057E+05 | 1.175E-01 | |
| 9 | 779.48895 | ||||||||
| 10 | STD2 | 0.1074 | / | 720.35925 | / | 6.712E+05 | / | / | |
The relative difference of the concentrations measured in the three flasks respectively:
A—B, 0.5 %; A-C, 3.2%; B-C, 2.8 %.
Description of key information
The water solubility of succinonitrile is 119.9 g/L at 20°C and pH 5.4.
Key value for chemical safety assessment
- Water solubility:
- 119.9 g/L
- at the temperature of:
- 20 °C
Additional information
Key information was derived from a test study according to the OECD 105 test guidline
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