Butyl Cellosolve

Butyl Cellosolve

CAS Number:111‑76‑2

Synonyms:Butyl cellosolve; Butyl glycol; 2‑Butoxyethanol; EGBE

Chemical Formula:C₆H₁₄O₂

Molecular Weight:~118.18 g/mol

Product Introduction

A colorless liquid with a mild, ether-like odor. A fast-evaporating glycol ether, it offers excellent balance of hydrophilic and hydrophobic properties. Widely used as a solvent, coupling agent, and active solvent in coatings, cleaners, inks, adhesives, and industrial/home cleaning products

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Physical & Chemical Properties

Property Value
Appearance Colorless liquid
Odor Mild, ether-like / sweet / fruity
Density @ 20 °C ~0.94–0.97 g/cm³
Melting Point ≈ –77 °C
Boiling Point ~171–192 °C (varies by source)
Vapor Pressure @ 20 °C ~0.3 mm Hg
Flash Point (CC) ~65–76 °C
Solubility Miscible in water & organics

Applications

  • Coatings & cleaners: active solvent and coalescent in paints, inks, lacquers, cleaning formulas
  • Coupling agent: balances hydrophilicity/hydrophobicity in formulations
  • Industrial cleaner:degreasers, surface cleaners, ink removers, graffiti cleaners

Safety Notes

  • Low acute toxicity but may irritate skin, eyes, and respiratory tract. Exposure to high concentrations (100–500 ppm) showed rodent tumors, but relevance to humans is unclear. Flammable liquid (flash ~65 °C). Use PPE, ventilation, and avoid ignition sources. Store sealed and cool.

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