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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
09 March 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
CIPAC MT 75 (Determination of pH Values)
Version / remarks:
MT 75.3/ Handbook Vol. J (2000)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7000 (pH)
Version / remarks:
1996
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
1,3,5-tris(5-isocyanatopentyl)-1,3,5-triazinane-2,4,6-trione
Cas Number:
119934-71-3
Molecular formula:
C21 H30 N6 O6
IUPAC Name:
1,3,5-tris(5-isocyanatopentyl)-1,3,5-triazinane-2,4,6-trione
Constituent 2
Chemical structure
Reference substance name:
2-methylpropyl N-(5-isocyanatopentyl)-N-(5-isocyanatopentylcarbamoyl)carbamate
Molecular formula:
C18 H30 N4 O5
IUPAC Name:
2-methylpropyl N-(5-isocyanatopentyl)-N-(5-isocyanatopentylcarbamoyl)carbamate
Test material form:
liquid: viscous
Details on test material:
Appearance: colourless or light yellow viscous liquid
Storage conditions: at room temperature, container tightly closed, flushed with nitrogen.

Results and discussion

pH value
Key result
pH value:
6.95
Temp.:
20 °C
Concentration:
1 other: % (w/v)

Any other information on results incl. tables

pH of mixture 1 : 6.92

pH of mixture 2 : 6.98

pH of mixture 3 : 6.96

Mean (n=3): 6.95

Standard deviation: 0.03

Applicant's summary and conclusion

Conclusions:
The pH of a 1% (w/v) aqueous mixture at 20°C was determined to be 6.95.
Executive summary:

In a GLP study according to CIPAC MT 75.3 and OPPTS 830.7000, the mean (n=3) pH of a 1% w/v mixture of the substance in distilled water was 6.95 (at 20°C).