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Tetrahydrofuran

CAS 109-99-9·C₄H₈O

THF in HPLC, GR and specially dried grades, stabilised or unstabilised to order.

Grades offered

  • ARAnalytical ReagentHigh purity with certified assay and stated trace-impurity limits.
  • GRGuaranteed ReagentAnalytical-tier purity under the German/European naming convention.
  • HPLCHPLC GradeFiltered, low UV-absorbance solvent for liquid chromatography.
  • SPECIALLY DRIEDSpecially Dried / Anhydrous DriedLow-water solvent with a stated ppm water limit.
How to choose between them →

Typical applications

  • GPC/SEC mobile phase
  • Grignard and organometallic reactions
  • Polymer dissolution
ARAnalytical Reagent

Tetrahydrofuran

C₄H₈O · M.W. 72.11 g/mol

CAS
109-99-9
Assay
≥ 99.5%
Batch
Use before
DangerH225 · H319 · H335 · H351 · UN2056
Representative label. Batch, expiry and the full hazard statement appear on the container and its Safety Data Sheet.

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Pack sizes

  • 500 ml
  • 2.5 L
  • 5 L

Worth knowing before you order

THF forms explosive peroxides on standing. Unstabilised grade must be peroxide-tested before distillation and dated on receipt. State whether you need BHT-stabilised or unstabilised material — the two are not interchangeable for GPC.

Identification

CAS number109-99-9
Molecular formulaC₄H₈O
Molecular weight72.11 g/mol
Assay≥ 99.5%
Also known asTHF, Oxolane

Hazard identification

Signal wordDanger

  • FlammableGHS02
  • Irritant / harmfulGHS07
  • Serious health hazardGHS08
  • H225Highly flammable liquid and vapour
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H351Suspected of causing cancer

TransportUN2056Packing groupII

This summary is reproduced from the manufacturer’s published classification for Tetrahydrofuran 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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