1-4 dioxane

1,4‑Dioxane

CAS Number:123‑91‑1

Chemical Formula:C₄H₈O₂

Product Introduction

A clear, flammable, miscible ether solvent with a faint sweet odor. Widely used to stabilize chlorinated solvents, and as a solvent in coatings, adhesives, and laboratory applications. Classified by IARC as a possible human carcinogen (Group 2B).

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Physical & Chemical Properties

Property Value
Melting Point ~11.8 °C
Boiling Point ~101.1 °C
Density ~1.033–1.034 g/mL @ 20 °C
Vapor Pressure ~29–38 mmHg @ 20–25 °C
Refractive Index ~1.422–1.433 @ 20 °C
Solubility Fully miscible with water and organics
Flash Point ~12 °C

Applications

  • Stabilizer for chlorinated solvents
  • Solvent in coatings, adhesives, sealants, and textile processing
  • Lab solvent and reagent for chemical manufacturing

Safety & Handling

  • Danger:Highly flammable, suspected carcinogen (IARC 2B).
  • Peroxide formation risk on air exposure—use inhibitors and date container upon opening.
  • Use explosion-proof ventilation, grounding, PPE, and closed handling systems.

Packing Options

  • Bottles (100 mL–4 L, stabilized with BHT)
  • Drums, IBCs with nitrogen, explosion-proof packaging

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