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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

pH

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Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
18/2/2016 to 18/2/2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Experimental test result performed using standard OECD test guidelines

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD 122
Principles of method if other than guideline:
The pH of an aqueous solution or dispersion in water is determined with a pH measurement interface equipped with an appropriate electrode system.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
1,2-benzisothiazol-3(2H)-one 1,1-dioxide
EC Number:
201-321-0
EC Name:
1,2-benzisothiazol-3(2H)-one 1,1-dioxide
Cas Number:
81-07-2
Molecular formula:
C7H5NO3S
IUPAC Name:
1,2-benzisothiazol-3(2H)-one 1,1-dioxide
Test material form:
other: Amorphous powder
Details on test material:
- Name of test material (as cited in study report): 1,2-benzisothiazol-3(2H)-one 1,1-dioxide
- Substance type: Organic
- Physical state: solid

Results and discussion

pH value
pH value:
1.84
Temp.:
31 °C
Concentration:
1 other: % w/v

Any other information on results incl. tables

 

 

Temperature of 1% w/v test solution

-

31°C

pH (RESULT)

 

-

1.84

Inference

1.   Acidic

2.   Basic

3.   Neutral

 

 Acidic

 

Applicant's summary and conclusion

Conclusions:
The pH of 1% w/v dispersion of the test item 1,2-benzisothiazol-3(2H)-one 1,1-dioxide (CAS No. 81-07-2) was 1.84 at 31 °C.
Executive summary:

The pH determination of test item1,2-benzisothiazol-3(2H)-one 1,1-dioxide(CAS No. .81-07-2) was done as per the test guideline OECD 122. The pH of the test dispersion was determined with the help of digitalpH meter. The pH was found to be1.84 at 31 °C.