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HYDROFLUORIC ACID 48% AR

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HYDROFLUORIC ACID 48% AR
Molecular structure
Chemical Product

HYDROFLUORIC ACID 48% AR

Cat. NoKC.810056 CategoryAcids Molecular FormulaFH CAS7664-39-3 Molecular Weight20.0064 g/mol
Package 500ML
Safety & Hazards (GHS) Danger
Corrosive Corrosive Acute toxic Acute toxic

⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).

Fluorine atom is a halogen. It has a role as a micronutrient.

  • Aqueous hydrofluoric acid is used in stainless steel pickling, glass etching, metal coatings, exotic metal extraction, and quartz purification.
  • Used as a catalyst and fluorinating agent; used to etch glass, pickle stainless steel, and control pH in oil well operations; [ACGIH] Used as a wet etchant in semiconductor manufacturing at a standard concentration of 49%; [CSH, p. 46]
  • Steel Producing [Category: Industry]
  • Acid and Alkali Cleaning of Metals [Category: Clean]
Physical DescriptionHydrofluoric acid, solution appears as a colorless fuming mobile aqueous solution with a pungent odor. Corrosive to metals and tissue. Highly toxic by ingestion and inhalation. Exposure to fumes or…
Color/FormColorless gas, fumes in air
Odor... Strong, irritating odor ...
Melting Point-92.2 °F for 70% solution (ICSC, 2024)
Boiling Point152 °F at 760 mmHg for 70% solution (ICSC, 2024)
Flash PointNot Flammable (EPA, 1998)
Density1.23 for 70% solution (ICSC, 2024) - Denser than water; will sink
SolubilityMiscible (ICSC, 2024)
Vapor Pressure150 mmHg at 77 °F (partial pressure for 70% solution) (ICSC, 2024)
Refractive IndexIndex of refraction, liquid: 1.1574 at 25 °C, 589.3 nm
Stability/Shelf LifeStable under recommended storage conditions.
IUPAC Namefluorane
Molecular FormulaFH
Molecular Weight20.0064 g/mol
CAS7664-39-3
SMILESF
InChIKeyKRHYYFGTRYWZRS-UHFFFAOYSA-N
Catalog NoKC.810056
Pack sizes500ML
  • H300 Fatal if swallowed
  • H310 Fatal in contact with skin
  • H314 Causes severe skin burns and eye damage
  • H330 Fatal if inhaled

⚠️ For information only; not a substitute for the official SDS.

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