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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Type of information:
experimental study
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 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:
OECD Guideline 122 (Determination of pH, Acidity and Alkalinity)
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
1-dodecylpyridinium chloride
Cas Number:
104-74-5
Molecular formula:
C17H30N.Cl
IUPAC Name:
1-dodecylpyridinium chloride
Test material form:
solid
Details on test material:
- Name of test material (as cited in study report): 1-Dodecylpyridinium chloride
- Molecular formula: C17H30N.Cl
- Molecular weight: 283.884 g/mol
- Substance type: Organic
- Physical state: Solid
-Smiles: [n+]1(ccccc1)CCCCCCCCCCCC.[ClH-]
- InChI: 1S/C17H30N.ClH/c1-2-3-4-5-6-7-8-9-10-12-15-18-16-13-11-14-17-18;/h11,13-14,16-17H,2-10,12,15H2,1H3;1H/q+1;/p-1

Reagents

Reagent:
water

Results and discussion

pH value
Key result
pH value:
3.98
Temp.:
28 °C
Remarks on result:
other: 1% w/v solution of the test item

Any other information on results incl. tables

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 dispersion

-

28°C

mean pH (RESULT)

-

3.98

Inference

1. Acidic

2. Basic

3. Neutral

Acidic

Applicant's summary and conclusion

Conclusions:
The pH determination of test item 1-dodecylpyridinium chloride (CAS No 104-74-5) was done following OECD guideline 122. pH of 1% w/v solution was measured with the help of pH meter and it was observed to be 3.98 at 28°C.
Executive summary:

The pH determination of test chemical was done as per the test guideline OECD 122. The mean pH of the test solution was determined with the help of digital pH meter. The mean pH was determined to be 3.98 at 28°C.