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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Fluoride shortage has become acute in Canada.
Journal (Canadian Dental Association), 48(11), 702-703 (1982-11-01)
Pradip B Sarawade et al.
Journal of hazardous materials, 173(1-3), 576-580 (2009-09-18)
In this article we report recovery of mesoporous silica from the waste material (hexafluorosilicic acid) of phosphate fertilizer industry. The process involves the reaction of hexafluorosilicic acid (50 ml, 24 wt% H(2)SiF(6)) and 100ml, 0.297 M Na(2)CO(3) to generate the
T G Reeves
Community dental health, 13 Suppl 2, 21-26 (1996-09-01)
This paper summaries the technical aspects of water fluoridation in the United States, and gives an overview of the engineering aspects of water fluoridation world-wide. The status of water fluoridation in the USA is summarised. Fluoride chemicals used in the
[Fluoride].
B Herazo Acuna et al.
Revista de la Federacion Odontologica Colombiana, 33(148), 61-87 (1984-01-01)
Hidemasa Shimpo
Journal of prosthodontics : official journal of the American College of Prosthodontists, 17(4), 300-307 (2008-01-22)
Titanium dentures have recently increased in popularity. A decrease in the retentive force of the titanium clasps has frequently been observed. This study investigated the effect of retentive arm design and chemical polishing of titanium clasps. Four Akers clasps with
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