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
Pricing and availability is not currently available.
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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Fate of fluorosilicate drinking water additives.
Edward Todd Urbansky
Chemical reviews, 102(8), 2837-2854 (2002-08-15)
G M Whitford et al.
Archives of oral biology, 53(11), 1037-1041 (2008-06-03)
Fluoride in drinking water may be present from natural sources or added as sodium fluoride (NaF), sodium silicofluoride (Na(2)SiF(6)) or fluorosilicic acid (H(2)SiF(6)). Results from an early study with rats suggested that, when ingested as Na(2)SiF(6), the absorption and excretion
Rosangela M M Sawan et al.
Toxicology, 271(1-2), 21-26 (2010-03-02)
Higher blood lead (BPb) levels have been reported in children living in communities that receive fluoride-treated water. Here, we examined whether fluoride co-administered with lead increases BPb and lead concentrations in calcified tissues in Wistar rats exposed to this metal
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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