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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Remarks:
limited documentation

Data source

Referenceopen allclose all

Reference Type:
other company data
Title:
Unnamed
Year:
2007
Reference Type:
other company data
Title:
Unnamed
Year:
2016
Report date:
2016

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN ISO 787/IX, ASTM D 1208, JIS K 5101/24
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Silicic acid, aluminum sodium salt
EC Number:
215-684-8
EC Name:
Silicic acid, aluminum sodium salt
Cas Number:
1344-00-9
Molecular formula:
nSiO2*mAl2O3*zNa2O n = 2-4; m = 0.12-3.20; z = 0.11-4.5
IUPAC Name:
aluminium(3+) sodium bis(oxosilanebis(olate))
Test material form:
solid: nanoform, no surface treatment
Remarks:
crystalline-free

Results and discussion

pH value
pH value:
ca. 10.1
Temp.:
20
Concentration:
50 g/L
Remarks on result:
other: Sipernat 820 A

Applicant's summary and conclusion