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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Remarks:
pH of the substance was determined according to USP 40/NF 35 <791> Method, and conducted under good manufacturing practices (GMP)

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: USP 40/NF 35 <791>
GLP compliance:
no
Remarks:
conducted under good manufacturing practices (GMP)

Test material

Constituent 1
Chemical structure
Reference substance name:
Benzenesulfonic acid, di-C10-14-alkyl derivs., sodium salts
Molecular formula:
{[C(n)H(2n+1)]2C6H3SO3}Na
IUPAC Name:
Benzenesulfonic acid, di-C10-14-alkyl derivs., sodium salts
Constituent 2
Chemical structure
Reference substance name:
Benzene, di-C10-14-alkyl derivs.
EC Number:
285-580-5
EC Name:
Benzene, di-C10-14-alkyl derivs.
Cas Number:
85117-31-3
Molecular formula:
C6H4R2, where R = C10H21 through C14H29
IUPAC Name:
Benzene, di-C10-14-alkyl derivs.
additive 1
Reference substance name:
Distillates (petroleum), hydrotreated heavy naphthenic
EC Number:
265-155-0
EC Name:
Distillates (petroleum), hydrotreated heavy naphthenic
Cas Number:
64742-52-5
IUPAC Name:
Distillates (petroleum), hydrotreated heavy naphthenic
impurity 1
Chemical structure
Reference substance name:
Water
EC Number:
231-791-2
EC Name:
Water
Cas Number:
7732-18-5
Molecular formula:
H2O
IUPAC Name:
water
Test material form:
liquid: viscous
Details on test material:
- Other: R-9817

Results and discussion

pH value
Key result
pH value:
ca. 7.36
Temp.:
19.9 °C
Concentration:
ca. 200 mg/L
Remarks on result:
other: Determined with pH indicater paper. 1.0 to 200.0 dilution in 200 proof ethylalcohol

Applicant's summary and conclusion

Conclusions:
Benzene sulfonic acid, di-C10-14-alkyl derivs., sodium salts has a pH of 7.36 determined with pH indicator paper.