Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
26 May 2016 to 23 September 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7840 (Water Solubility)
GLP compliance:
yes
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
Ethyl 3,4-dihydroxybenzoate
EC Number:
223-529-0
EC Name:
Ethyl 3,4-dihydroxybenzoate
Cas Number:
3943-89-3
Molecular formula:
C9H10O4
IUPAC Name:
ethyl 3,4-dihydroxybenzoate
Test material form:
solid: particulate/powder

Results and discussion

Water solubilityopen allclose all
Key result
Water solubility:
>= 2.5 - <= 2.6 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
13.8 g/L
Incubation duration:
>= 24 - <= 72 h
Temp.:
20 °C
pH:
5.1 - 5.2
Key result
Water solubility:
ca. 2.54 g/L
Conc. based on:
test mat.
Loading of aqueous phase:
13.8 g/L
Incubation duration:
>= 24 - <= 72 h
Temp.:
20 °C
pH:
>= 5.1 - <= 5.2

Any other information on results incl. tables

Main study - water solubility of the test item

Stirring time

[hours]

Analysed concentration
[g/L]

Mean

[g/L]

MD

[%]

pH

 

 

 

 

 

24

2.60

2.54

3.66

5.2

 

 

 

 

 

48

2.52

 

 

5.1

 

 

 

 

 

72

2.50

 

 

5.2

 

 

 

 

 

Applicant's summary and conclusion

Conclusions:
the water solubility of the substance is 2.54 g/L
Executive summary:

The water solubility of the substance was assessed in a flask test at 2.54 g/L at 20 °C.