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Merck
CN

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:
16961-83-4
Molecular Weight:
144.09
UNSPSC Code:
12352300
eCl@ss:
38130308
PubChem Substance ID:
24863162
NACRES:
NA.23
MDL number:
MFCD00036289

Key Documents

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Product Name

Fluorosilicic acid solution, 20-25 wt. % in H2O

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

form

liquid

concentration

20-25 wt. % in H2O

density

1.22 g/mL at 25 °C

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

pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1

Storage Class

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

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
MKCL3734
SHBC6625V
66396KKV
66396KK
01912TE

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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
In pursuit of truth.
R Masters
British dental journal, 199(10), 656-656 (2005-11-29)
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
[Evaluation of 2 kinds of food poisoning caused by fluoride compounds].
U Werner et al.
Zeitschrift fur die gesamte Hygiene und ihre Grenzgebiete, 31(10), 568-570 (1985-10-01)
Water fluoridation: pollutant or panacea?
D Mac Auley
Irish medical journal, 93(6), 165-166 (2000-12-06)
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