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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Water solubility

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Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: scientifically acceptable

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1988
Report date:
1988

Materials and methods

Test guideline
Guideline:
other: measured
GLP compliance:
no
Type of method:
other: (visual observation of the saturation point)

Test material

Constituent 1
Reference substance name:
5808-2
IUPAC Name:
5808-2
Constituent 2
Chemical structure
Reference substance name:
Caffeine
EC Number:
200-362-1
EC Name:
Caffeine
Cas Number:
58-08-2
Molecular formula:
C8H10N4O2
IUPAC Name:
1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione
Details on test material:
Name of test material (as cited in study report): caffeine
Analytical purity: unrefined product

Results and discussion

Water solubility
Water solubility:
18.7 g/L
Temp.:
16 °C

Any other information on results incl. tables

Temperature   caffeine
°C % (g/100g water)
10.0 1.35 (extrapolated value)
16.0 1.87
28.0 3.19
44.1 7.67
58.7 15.22
64.9 21.41
79.0 35.41
83.9 46.84
100.3 81.0 (extrapolated value)

Applicant's summary and conclusion