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Kaliumhexafluorosilicat

≥99.0% (T)

Synonym(e):

Dipotassium hexafluorosilicate, Potassium fluorosilicate, Potassium fluosilicate, Potassium silicofluoride

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About This Item

Lineare Formel:
K2SiF6
CAS-Nummer:
16871-90-2
Molekulargewicht:
220.27
EG-Nummer:
240-896-2
MDL-Nummer:
MFCD00040666
UNSPSC-Code:
12000000
PubChem Substanz-ID:
329758873
NACRES:
NA.21

Qualitätsniveau

100

Assay

≥99.0% (T)

Form

solid

Dichte

2.665 g/mL at 25 °C (lit.)

Anionenspuren

chloride (Cl-): ≤500 mg/kg
sulfate (SO42-): ≤200 mg/kg

Kationenspuren

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤100 mg/kg
Na: ≤1000 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

SMILES String

[K+].[K+].F[Si--](F)(F)(F)(F)F

InChI

1S/F6Si.2K/c1-7(2,3,4,5)6;;/q-2;2*+1

InChIKey

UUHPPUWEDCVPCO-UHFFFAOYSA-N

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Vorsicht

kann schwarze Partikel enthalten

Piktogramme

Skull and crossbones
GHS06

Signalwort

Danger

Gefahreneinstufungen

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral

Lagerklassenschlüssel

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 2

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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Analysenzertifikate (COA)

Lot/Batch Number
BCCD1243
BCBX2257
BCBW1397
BCBS5258V
BCBQ5393V

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Teresa Lech
Forensic science international, 206(1-3), e20-e24 (2010-07-27)
Fluoride, of all inorganic substances, is among the least likely to be identified by a routine toxicological analysis. Acute poisonings with salts of hydrofluoric or fluorosilicic acid, however, although relatively uncommon, may occur. Some fluorosilicates, salts of fluorosilicic acid (e.g.
Wolfgang Buchalla et al.
Schweizer Monatsschrift fur Zahnmedizin = Revue mensuelle suisse d'odonto-stomatologie = Rivista mensile svizzera di odontologia e stomatologia, 117(2), 118-122 (2007-03-10)
This study is on fluoride uptake into enamel following fluoride precipitation with calcium hydroxide. Five specimens each from 12 bovine incisors were polished, covered with a salivary pellicle, and distributed into five groups (n=12). A fluoride solution (43,500 ppm F
S Nakabo et al.
Journal of oral rehabilitation, 29(7), 675-681 (2002-08-03)
Regulation of fluoride release from restorative resin or sealant is beneficial to patients as it will prevent the occurrence of the secondary caries. In this study, we evaluated whether or not the formation of a hydrophobic polysiloxane layer on the
Toshiyuki Suge et al.
American journal of dentistry, 19(4), 248-252 (2006-08-31)
To evaluate the occluding ability of ammonium hexafluorosilicate (SiF). Dentin disks prepared from human extracted teeth were grouped as follows to prepare different situations of dentin hypersensitivity: (1) those sonicated for 20 minutes; (2) those treated with 0.5 mol/L EDTA
Toshiyuki Suge et al.
Dental materials : official publication of the Academy of Dental Materials, 24(2), 192-198 (2007-06-05)
Diamine silver fluoride [AgF: (NH(3))(2)AgF] has been used clinically in Japan, as it reduces dental caries and dentin hypersensitivity. However, AgF stains the teeth black due to silver precipitation. To overcome this drawback, the authors prepared ammonium hexafluorosilicate [SiF: (NH(4))(2)SiF(6)]
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