Sodium N-chlorobenzenesulphonamide

pH

Administrative data

Endpoint:

pH

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2008

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: The study was conducted non-GLP.

Cross-reference

Cross-reference 1

Reason / purpose for cross-reference:

reference to same study

Cross-reference 2

Reason / purpose for cross-reference:

reference to other study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2008

Report date:

2008

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

other: Electrometric method, based on measurements electromotive powers electrochemical cell, formed sample and combined electrode

Principles of method if other than guideline:

Not applicable.

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

127-52-6 trihydrate

IUPAC Name:

127-52-6 trihydrate

Test material form:

solid: crystalline

Details on test material:

- Name of test material (as cited in study report): Chloramin B
- Substance type: Biocide
- Physical state: White to light yellow powder with a faint odor of chlorine
- Analytical purity: 77% (CAS 127-52-6)
- Impurities (identity and concentrations): 0.6 NaOH
- Composition of test material, percentage of components: 77% CAS 127-52-6 (98% pure), 22.4% Water, 0.6% NaOH
- Isomers composition: not applicable
- Purity test date: no data
- Lot/batch No.: 13102006
- Expiration date of the lot/batch: 10/2011
- Stability under test conditions: stable, c.f. Chapter 4.18
- Storage condition of test material: stable, c.f. Chapter 4.18

Results and discussion

pH value

pH value:

10.3

Temp.:

24.5 °C

Concentration:

1 other: %

Remarks on result:

other: Uncertainty of the determination: +- 0.1

Any other information on results incl. tables

No other information.

Applicant's summary and conclusion

Conclusions:

The pH of a 1% solution of the substance is 10.3 +- 0.1.

Executive summary:

The pH of 1% aqueous solution of the substance was determined non-GLP by using a pH electrode. The pH of a 1% solution of the substance is 10.3 +- 0.1, measured at 24.5°C.