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structure of 7789-23-3

Potassium Fluoride(CAS 7789-23-3)

CAS No.: 7789-23-3 Brand: MolBest
M. Ft.: KF Cat. No: G2424803
M. Wt.: 58.1 MDL: MFCD00011398
Storage: Store in a cool,dry area. Use: For laboratory research use only
HS CODE: 2826199010 UN No.: UN 1812 6.1 /PG III
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Applications of 7789-23-3

Potassium fluoride has diverse applications across various fields:

  • Organic Chemistry: It is extensively used for fluorination reactions, enabling the conversion of halogenated compounds into their fluorinated counterparts.
  • Glass Etching: Solutions of potassium fluoride can etch glass due to the formation of soluble fluorosilicates.
  • Analytical Chemistry: It serves as a reference compound in nuclear magnetic resonance spectroscopy.
  • Dental Care: In dentistry, it is used for topical applications to strengthen enamel and prevent cavities.

Physical and chemical properties of 7789-23-3

Boiling Point

1502 °C

BRN

3902818

Decomposition

When heated to decomposition it emits toxic fumes of /potassium oxide and hydrogen fluoride/.

Density

2.48 g/cu cm

Exact Mass

57.962109

Exposure Limits

ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3

Flash Point

1505°C

Index of Refraction

1.363

LogP

-0.77 at 25℃

Melting Point

Crystals; melting point: 19.3 °C /Tetrahydrate/

Merck

14,7632

Molecular Formula

FK

Molecular Weight

58.097

Odor

Odorless

pH

7.0-8.5 (25℃, 1M in H2O)

Sensitivity

Hygroscopic

Solubility

102 g/100 g water at 25 °C

Stability

Stable. Protect from moisture. Incompatible with strong acids, strong bases.

Storage condition

Store at RT.

Vapour density

2 (vs air)

Vapour Pressure

100 Pa (0.75 mm Hg) at 869 °C; 1 kPa (7.5 mm Hg) at 1017 °C; 10 kPa (75 mm Hg) at 1216 °C; 100 kPa (750 mm Hg) at 1499 °C

Water Solubility

92.3 g/100 mL (18 ºC)

λmax

λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01

Q&A for CAS 7789-23-3

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Download SDS of 7789-23-3

Pictograms

Signal Word

Danger

Hazard Statements

H301+H311+H331 Toxic if swallowed, in contact with skin or if inhaled
H301 Toxic if swallowed
H311 Toxic in contact with skin
H314 Causes severe skin burns and eye damage
H318 Causes serious eye damage
H330 Fatal if inhaled
H331 Toxic if inhaled
H341 Suspected of causing genetic defects
H361 Suspected of damaging fertility or the unborn child
H372 Causes damage to organs through prolonged or repeated exposure

Safety Data Sheet

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