Registration Dossier

Physical & Chemical properties

pH

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Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
1989
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1989
Report date:
1989

Materials and methods

Principles of method if other than guideline:
Company internal method IA-120/1 of CIBA-GEIGY BASE SET, 1981
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Diethyl [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]phosphonate
EC Number:
213-551-9
EC Name:
Diethyl [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]phosphonate
Cas Number:
976-56-7
Molecular formula:
C19H33O4P
IUPAC Name:
diethyl [(3,5-di-tert-butyl-4-hydroxyphenyl)methyl]phosphonate
Details on test material:
- Substance type: organic
- Physical state: solid
- Lot/batch no: EN 142809

Results and discussion

pH value
Key result
pH value:
5.8
Temp.:
20
Concentration:
1 other: %
Remarks on result:
other: suspension

Applicant's summary and conclusion

Conclusions:
The pH-value of test substance was measured to be pH 5.8 of 1% suspension