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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
pH
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard OECD test guidelines.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: as mentioned below
Principles of method if other than guideline:
The pH determination of Tetraoctylammonium bromide (CAS No. 14866-33-2 ) was done as per the test guideline OECD 122, by digital pH meter.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Tetraoctylammonium bromide
EC Number:
238-936-9
EC Name:
Tetraoctylammonium bromide
Cas Number:
14866-33-2
Molecular formula:
C32H68NBr
IUPAC Name:
tetraoctylazanium bromide
Test material form:
solid: particulate/powder
Details on test material:
- Name of the test material: Tetraoctylammonium bromide
- IUPAC name: Tetraoctylammonium bromide
- Molecular formula: C32H68NBr
- Molecular weight: 546.8002 g/mol
- Smiles: CCCCCCCC[N+](CCCCCCCC)(CCCCCCCC)CCCCCCCC.[Br-]
- Inchi : 1S/C32H68N.BrH/c1-5-9-13-17-21-25-29-33(30-26-22-18-14-10-6-2,31-27-23-19-15-11-7-3)32-28-24-20-16-12-8-4;/h5-32H2,1-4H3;1H/q+1;/p-1
- Substance type: Organic
- Physical form : Solid powder (off white)
Specific details on test material used for the study:
- Name of the test material: Tetraoctylammonium bromide
- IUPAC name: Tetraoctylammonium bromide
- Molecular formula: C32H68NBr
- Molecular weight: 546.8002 g/mol
- Smiles: CCCCCCCC[N+](CCCCCCCC)(CCCCCCCC)CCCCCCCC.[Br-]
- Inchi : 1S/C32H68N.BrH/c1-5-9-13-17-21-25-29-33(30-26-22-18-14-10-6-2,31-27-23-19-15-11-7-3)32-28-24-20-16-12-8-4;/h5-32H2,1-4H3;1H/q+1;/p-1
- Substance type: Organic
- Physical form : Solid powder (off white)

Reagents

Reagent:
water

Results and discussion

pH value
Key result
pH value:
3.87
Temp.:
25 °C
Remarks on result:
other: 1% w/v dispersion of Tetraoctylammonium bromide

Any other information on results incl. tables

TEST DESCRIPTION AND RESULT

Method Details

Observations

Remarks if, any

Guideline

OECD 122

 

 

Method

Digital pH meter

 

Principle of Method

The mean pH of an aqueous solution or dispersion in water is determined with a pH

measurement interface equipped with an appropriate electrode system

 

Temperature of 1% w/v

test emulsion

 

25°C

mean pH (RESULT)

 

3.87

Inference

 

1. Acidic

2. Basic

3. Neutral

 

Acidic

Applicant's summary and conclusion

Conclusions:
The pH of 1% w/v dispersion of Tetraoctylammonium bromide (CAS No14866-33-2) was 3.87 at 25 °C.
Executive summary:

The pH determination of Tetraoctylammonium bromide (CAS No 14866-33-2) was done following OECD guideline 122. pH of 1% w/v dispersion was measured with the help of pH meter and it was observed to be 3.87at 25 °C.