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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:
November 16 – December 11, 2017
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Remarks:
No analytical determination was made; only direct visual observation.
Qualifier:
according to
Guideline:
EPA OPPTS 830.7840 (Water Solubility)
Deviations:
yes
Remarks:
Visual observation only. No analytical determination.
Qualifier:
according to
Guideline:
OECD Guideline 105 (Water Solubility)
Deviations:
yes
Remarks:
Visual observation only. No analytical determination.
Qualifier:
according to
Guideline:
EU Method A.6 (Water Solubility)
Deviations:
yes
Remarks:
Visual observation only. No analytical determination.
GLP compliance:
yes
Type of method:
flask method
Remarks:
without analytical determination
Specific details on test material used for the study:
Composition: Benzenesulfonic acid, 2,4,5-trichloro-, sodium salt – 100%
CAS# 53423-65-7
EC# 258-548-3
Physical Description: White powder
Stability: Test substance was expected to be stable for the duration of testing.
Expiration Date: December 31, 2018
Key result
Water solubility:
11.1 g/L
Conc. based on:
test mat.
Incubation duration:
> 30 min
Temp.:
20 °C
pH:
5.75

Solvent Used

Replicate

Sample Weight

(g)

pH Observed

Solvent Added

(mL)

Visual Observations

Solubility (g/L)

Mean ± SD

(g/L)

Water

1

0.1001

5.75

6.0

PD

11.1

11.1 ± 0.0

7.0

PD

8.0

PD

9.0

CD

2

0.1002

5.75

6.0

PD

11.1

7.0

PD

8.0

PD

9.0

CD

Conclusions:
The water solubility was determined to be 11.1 g/L.
Executive summary:

In a GLP guideline study conducted by the Shake Flask Method (direct visual observation without analytical determination) according to OPPTS 830.7840, OECD TG 105, and EC Test Method A6, the water solubility was determined to be 11.1 g/L.

Description of key information

The water solubility was determined to be 11.1 g/L at 20 deg. Celsius.

Key value for chemical safety assessment

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

Additional information