Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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: OECD 122
Principles of method if other than guideline:
A pH meter is essentially a voltmeter with high input impedance which measures the voltage of an electrode sensitive to the hydrogen ion concentration, relative to another electrode which exhibits a constant voltage
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Phosphorus tribromide
EC Number:
232-178-2
EC Name:
Phosphorus tribromide
Cas Number:
7789-60-8
Molecular formula:
Br3P
IUPAC Name:
phosphorus tribromide
Test material form:
liquid
Details on test material:
- Name of test material : Phosphorus tribromide
- Molecular formula: Br3P
- Molecular weight : 270.686 g/mol
- Smiles notation :P(Br)(Br)Br
- InChl :1S/Br3P/c14(2)3
- Substance type: Inorganic
- Physical state: Solid
Specific details on test material used for the study:
- Name of test material (as cited in study report): Phosphorus tribromide
- Molecular formula: Br3P
- Molecular weight : 270.686 g/mol
- Smiles notation: P(Br)(Br)Br
- InChl :1S/Br3P/c14(2)3
- Substance type: Inorganic
- Physical state: Liquid

Results and discussion

pH value
Key result
pH value:
1
Temp.:
28 °C
Concentration:
1 other: %w/v

Applicant's summary and conclusion

Conclusions:
ThepH of 1% w/v aqueous solutionof the test item Phosphorus tribromide (CAS No. 7789-60-8 )was 1.0 at 28°C.
Executive summary:

The pH determination of test itemPhosphorus tribromide (CAS No. 7789-60-8 )was done following OECD guideline 122. The pH of 1% w/v aqueoussolutionwas measured with the help of pH meter and the mean pH was observed to be1.0 at 28°C.