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Hydrofluoric Acid 40% / 48%

CAS 7664-39-3·HF

Hydrofluoric acid in PTFE containers for silicate digestion and electronics-grade applications.

Grades offered

  • FOR SYNTHESISFor SynthesisPreparative chemistry grade.
  • AR/ACSAnalytical Reagent, ACS specificationAR grade additionally meeting American Chemical Society limits.
  • ELECTRONICElectronic GradeSemiconductor-grade purity, particulate-controlled.
  • ULTRAPUREUltrapure / Trace Metal GradeSub-ppb metal content for trace elemental analysis.
How to choose between them →

Typical applications

  • Total digestion of silicate and geological samples
  • Semiconductor and glass etching
FOR SYNTHESIS500 ml (PTFE bottle)

Hydrofluoric Acid 40% / 48%

HF · M.W. 20.01 g/mol

CAS
7664-39-3
Assay
40% or 48% w/w
Batch
Use before
DangerH300 · H310 · H314 · H330 · UN1790
Representative label. Batch, expiry and the full hazard statement appear on the container and its Safety Data Sheet.

Controlled supply

Acutely toxic and uniquely dangerous: skin contact can be fatal from a small area with little immediate pain. Supplied only to laboratories that confirm calcium gluconate gel is on site, staff are trained on HF first aid, and a written HF protocol exists. We will decline the order otherwise.

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Pack sizes

  • 500 ml (PTFE bottle)

Identification

CAS number7664-39-3
Molecular formulaHF
Molecular weight20.01 g/mol
Assay40% or 48% w/w

Hazard identification

Signal wordDanger

  • CorrosiveGHS05
  • Acute toxicityGHS06
  • H300Fatal if swallowed
  • H310Fatal in contact with skin
  • H314Causes severe skin burns and eye damage
  • H330Fatal if inhaled

TransportUN1790Packing groupI

Controlled supply

Acutely toxic and uniquely dangerous: skin contact can be fatal from a small area with little immediate pain. Supplied only to laboratories that confirm calcium gluconate gel is on site, staff are trained on HF first aid, and a written HF protocol exists. We will decline the order otherwise.
This summary is reproduced from the manufacturer’s published classification for Hydrofluoric Acid 40% / 48% and is provided to help you plan handling and storage. It is not a substitute for the Safety Data Sheet. Work from the SDS supplied with your consignment — classification can differ by grade, concentration and batch.

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