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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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

Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
July 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
GLP compliance:
yes
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium [(6-hydroxy-4-methyl-2-oxo-2H-1-benzopyran-7-yl)oxy]acetate
EC Number:
306-060-7
EC Name:
Sodium [(6-hydroxy-4-methyl-2-oxo-2H-1-benzopyran-7-yl)oxy]acetate
Cas Number:
95873-69-1
Molecular formula:
C12H10O6.Na
IUPAC Name:
sodium [(6-hydroxy-4-methyl-2-oxo-2H-1-benzopyran-7-yl)oxy]acetate
Test material form:
solid: particulate/powder
Details on test material:
Batch 44034
Description: Cream to light grey powder
Expiry date: 30 November 2019
Storage conditions: Controlled room temperature (15-25 ºC, below 70 RH%).
Specific details on test material used for the study:
Storage conditions: Controlled room temperature (15-25 ºC, below 70 RH%).

Results and discussion

Water solubility
Key result
Water solubility:
17.7 other: mg/mL
Conc. based on:
test mat.
Incubation duration:
>= 24 - <= 72 h
Temp.:
20 °C
pH:
>= 5.51 - <= 5.84

Applicant's summary and conclusion

Conclusions:
In conclusion, the water solubility of Sodium [(6-hydroxy-4-methyl-2-oxo-2H-1-benzopyran-7-yl)oxy]acetate was determined to be 17.7 ± 0.28 mg/mL (95% confidence interval) at 20 °C ± 0.5°C using the shake-flask method.
Executive summary:

pH of the samples varied in the range of 5.51 – 5.84.

Samples were analysed with the above HPLC method.

Based on the measured concentrations the test mixtures were homogeneous.