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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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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
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
B Raikhlin-Eisenkraft et al.
Harefuah, 126(5), 258-259 (1994-03-01)
A fatal case of poisoning due to ingestion of an apparently innocuous household product is described. A healthy 28-year-old man accidentally drank floor polish (Cristalizador, a Spanish import). On arrival at the emergency room a few hours later he passed
Water fluoridation: pollutant or panacea?
D Mac Auley
Irish medical journal, 93(6), 165-166 (2000-12-06)
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
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