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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:
other: Meets national and international standards: limited documentation

Data source

Referenceopen allclose all

Reference Type:
other company data
Title:
Unnamed
Year:
2007
Reference Type:
other company data
Title:
Unnamed
Year:
1992
Report date:
1992

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 = 0,07 - 0,53; z = 0,11-0,50 Provided stoichiometric data are in accordance with commission regulation (EU) No 231/2012 (Specification E 554)
IUPAC Name:
Silicic acid, aluminum sodium salt
Details on test material:
- Name of test material (as cited in study report):
Sipernat 820 A (analytical data after ignition: SiO2 82%; Al 9.5% as Al2O3; Na 8% as NaO2)
- Substance type: inorganic
- Physical state: solid

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