Skip to Content
Merck
CN

372757

Fluorosilicic acid solution

20-25 wt. % in H2O

Synonym(s):

Dihydrogen hexafluorosilicate

Sign In to View Organizational & Contract Pricing.

Select a Size

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
Concentration:
20-25 wt. % in H2O
Form:
liquid

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

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
This item has

Choose from one of the most recent versions:

Certificates of Analysis (COA)

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

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Mbarka Gouider et al.
Journal of hazardous materials, 170(2-3), 962-968 (2009-06-16)
Fluoride content and flow-rate of fertilizer plant wastewater from phosphoric acid and/or triple superphosphate (TSP) production lead to the discharge of several thousand tons of fluoride (F(-)) per year and even more for phosphate (PO4(3-)). Since sustainability is an important
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
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
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service