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Merck
CN

402931

Potassium fluoride

ACS reagent, ≥99.0%

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About This Item

Linear Formula:
KF
CAS Number:
Molecular Weight:
58.10
UNSPSC Code:
12352302
NACRES:
NA.21
PubChem Substance ID:
EC Number:
232-151-5
Beilstein/REAXYS Number:
3902818
MDL number:
Assay:
≥99.0%
Grade:
ACS reagent
Form:
crystalline powder, powder, crystals or chunks
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Quality Level

grade

ACS reagent

vapor pressure

1.3 hPa ( 885 °C)

assay

≥99.0%

form

crystalline powder, powder, crystals or chunks

impurities

≤0.01 meq/g Titr. base, ≤0.03 meq/g Titr. acid, ≤0.1% K2SiF6

pH

8-9 (20 °C, 50 g/L)

mp

858 °C (lit.)

anion traces

chloride (Cl-): ≤0.005%, sulfate (SO42-): ≤0.005%

cation traces

Fe: ≤0.001%, Na: ≤0.2%, heavy metals: ≤0.001% (by ICP)

SMILES string

[F-].[K+]

InChI

1S/FH.K/h1H;/q;+1/p-1

InChI key

NROKBHXJSPEDAR-UHFFFAOYSA-M

Application

A versatile fluoride ion source used in a study of ion-specific swelling and de-swelling of ampholytic polymer gels, in the room temperature oxidation of noble metals in HF, and in the measurement of electronic polarizabilities of ions in polymers of alkali halides.


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pictograms

Skull and crossbonesCorrosion

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

危险化学品

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Global Trade Item Number

SKUGTIN
402931-500G04061831986228
402931-100G04061831986204
402931-12KG04061831986211
402931-5G04061832564685