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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Water solubility

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
March 04, 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
According to "Guidance on information requirements and chemical safety assessment Chapter R.7a: Endpoint specific guidance", the critical micelle concentration (CMC) can be view as the solubility limit.
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
other: OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Deviations:
no
Principles of method if other than guideline:
According to "Guidance on information requirements and chemical safety assessment Chapter R.7a: Endpoint specific guidance", the critical micelle concentration (CMC) can be view ed as the solubility limit. The CMC has been determined using the OECD harmonised ring method.
GLP compliance:
no
Type of method:
other: The CMC value has been determined using the OECD harmonised ring method.
Key result
Water solubility:
17 mg/L
Temp.:
23 °C
pH:
ca. 7
Remarks on result:
other: The test substance is quaternized. Therefore, not dissociating (not pH dependent).
Details on results:
Since the substance forms micelles in water, the water solubility is expressed as the CMC, in this case 17 mg/L at 23°C.
Conclusions:
Under the study conditions, the water solubility was determined from the CMC of the test substance which was 17 mg/L at 23°C.
Executive summary:

A study was conducted to determine water solubility of the test substance, C16-C18 ADBAC (>97% active), using the critical micelle concentration (CMC) according to OECD 115 Guideline. Since the substance forms micelles in water, the water solubility is expressed as the CMC. Under the study conditions, the water solubility was determined from the CMC of the test substance which was 17 mg/L at 23°C (Ulama, 2010).

Description of key information

The water solubility of the test substance was determined using the critical micelle concentration (CMC) method according to OECD 115 Guideline (Ulama, 2010).

Key value for chemical safety assessment

Water solubility:
17 mg/L
at the temperature of:
23 °C

Additional information