372757
Fluorosilicic acid solution
20-25 wt. % in H2O
Synonym(s):
Dihydrogen hexafluorosilicate
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About This Item
Linear Formula:
H2SiF6
CAS Number:
Molecular Weight:
144.09
MDL number:
UNSPSC Code:
12352300
eCl@ss:
38130308
PubChem Substance ID:
NACRES:
NA.23
Recommended Products
form
liquid
concentration
20-25 wt. % in H2O
density
1.22 g/mL at 25 °C
SMILES string
F[H].F[H].F[Si](F)(F)F
InChI
1S/F4Si.2FH/c1-5(2,3)4;;/h;2*1H
InChI key
ZEFWRWWINDLIIV-UHFFFAOYSA-N
Related Categories
General description
Fluorosilicic acid may be produced as a byproduct during the manufacture of phosphate fertilizer. It may also be prepared by treating grounded phosphate rock with sulphuric acid.1
Packaging
Packaged in poly bottles
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1
Storage Class Code
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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In pursuit of truth.
R Masters
British dental journal, 199(10), 656-656 (2005-11-29)
A Villa et al.
Community dental health, 26(3), 132-137 (2009-09-29)
To assess whether there was any significant difference in the average fractional urinary fluoride excretion (FUFE) values among adults consuming (NaF) fluoridated Ca-free water (reference water), naturally fluoridated hard water and an artificially (H2SiF6) fluoridated soft water. Sixty adult females
Vladimir O Gelmboldt et al.
Dalton transactions (Cambridge, England : 2003), (27)(27), 2915-2924 (2007-07-04)
Two novel compounds, (L(1)H)(2)[SiF(6)] x 2H(2)O (1) and (L(2)H)(2)[SiF(5)(H(2)O)](2) x 3H(2)O (2), resulting from the reactions of H(2)SiF(6) with 4'-aminobenzo-12-crown-4 (L(1)) and monoaza-12-crown-4 (L(2)), respectively, were studied by X-ray diffraction and characterised by IR and (19)F NMR spectroscopic methods. Both
Water fluoridation: pollutant or panacea?
D Mac Auley
Irish medical journal, 93(6), 165-166 (2000-12-06)
J A Lalumandier et al.
Journal of public health dentistry, 61(2), 92-98 (2001-07-28)
We determined the knowledge level of water plant operators who fluoridate drinking water, and we compared small and large water plants. A pretested survey was sent to 2,381 water plant operators in 12 states that adjust the fluoride concentration of
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