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Potassium fluoride_Molecular_structure_CAS_7789-23-3)
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Potassium fluoride

Catalog No. 60239 Name Sigma Aldrich
CAS Number 7789-23-3 Website http://www.sigmaaldrich.com
M. F. FK Telephone 1-800-521-8956
M. W. 58.0967032 Fax
Purity ≥99.0% (F) Email
Storage Chembase ID: 98881

SYNONYMS

Title
氟化钾
IUPAC name
potassium fluoride
IUPAC Traditional name
potassium fluoride

DATABASE IDS

PubChem SID 24881818
Beilstein Number 3902818
MDL Number MFCD00011398
EC Number 232-151-5
CAS Number 7789-23-3

PROPERTIES

Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces sulfate (SO42-): ≤100 mg/kg
Cation Traces Ag: ≤5 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces Na: ≤5000 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Tl: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Grade puriss. p.a.
Impurities ≤0.01% free acid (as HF)
Impurities ≤0.01% free alkali (as KOH)
Impurities ≤0.1% potassium fluoro silicate (K2SiF6)
Linear Formula KF
Purity ≥99.0% (F)
Melting Point 858 °C(lit.)
GHS Pictograms GHS06
GHS Signal Word Danger
GHS Hazard statements H301-H311-H331
European Hazard Symbols Toxic Toxic (T)
MSDS Link Download
GHS Precautionary statements P261-P280-P301 + P310-P311
RID/ADR UN 1812 6.1/PG 3
Risk Statements 23/24/25
Safety Statements 26-45
Hazard Class 6.1
UN Number 1812
Packing Group 3
German water hazard class 1

DETAILS

Description (English)
Application
A versatile fluoride ion source used in a study of ion-specific swelling and de-swelling of ampholytic polymer gels,1 in the room temperature oxidation of noble metals in HF,2 and in the measurement of electronic polarizabilities of ions in polymers of alkali halides.3
Other Notes
Reagent for the decomposition of silicates by fusion4,5
Description (简体中文)
Application
多功能氟离子源,用于研究两性聚合物凝胶的离子特异性溶胀和消溶胀,1贵金属在 HF 中的室温氧化,2以及测量卤化碱聚合物中离子的电子极化率。3
Other Notes
通过熔融作用分解硅酸盐的试剂4,5

REFERENCES