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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

pH

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Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1968
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
review article or handbook
Title:
The Merck Index - An Encyclopedia of Chemicals and Drugs, Eighth Edition
Author:
P.G. Stecher (Editor)
Year:
1968
Bibliographic source:
Published by Merck & Co., Inv., Rahwy, NJ, USA

Materials and methods

Test guideline
Qualifier:
no guideline followed
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Chromium trichloride
EC Number:
233-038-3
EC Name:
Chromium trichloride
Cas Number:
10025-73-7
Molecular formula:
Cl3Cr
IUPAC Name:
chromium trichloride
Constituent 2
Chemical structure
Reference substance name:
Chromium(III) chloride, hexahydrate (1:3:6)
Cas Number:
10060-12-5
Molecular formula:
CrCl3.6H2O
IUPAC Name:
Chromium(III) chloride, hexahydrate (1:3:6)
Test material form:
solid: crystalline
Details on test material:
Reported as Chromic chloride hexahydrate, CrCl3.6H2O, hexaaquochromium trichloride, dichlorotetraaquochromium chloride dihydrate

Results and discussion

pH value
pH value:
2.4
Temp.:
20 °C
Concentration:
0.2 other: mol/L

Applicant's summary and conclusion

Conclusions:
The Merck Handbook reports a pH of 2.4 or a 0.2 molar aqueous solution of chromic chloride.