Methylal
Open container slowly to safely vent pressure. Recommended maximum storage temperature is 37.8oC. Recommended maximum temperature during shipment is 65.5oC.
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  • Overview
  • Performance
Molecular Formula C3H8O2
Chemical structure CH3-O-CH2-O-CH3
Synonym Dimethoxymethane (DMM)
CAS No 109-87-5
EINECS No 203-714-2
INCI name Methylal

Chemical and Physical Properties:
Appearance Colorless and transparent liquid
Odour Chloroform-like pungent odour
Density d20oC/4oC 0.860
d20oC/20oC 0.861
Melting Point (oC) -104.8
Boiling Point (oC) 42.3
Dielectric Constant (25oC) 2.7
Flash Point (open up, oC) -30.5
Explosion Limits (Vol %) LEL: 2.2
UEL: 19.9
Solubility in Water Slightly soluble in code water, 32.2g/100mL(16oC)

Commercial form:
  First Grade Superior Grade Pure Grade Anhydrous Grade Cosmetic Grade
Appearance Clear and transparent liquid
Methylal ≥85% ≥90% ≥99.5% ≥99.9% ≥99.999%
Methanol ≤15% ≤10% ≤0.5% ≤0.05% ≤10ppm
Water ≤0.2% ≤0.3% ≤0.05% ≤0.05% ≤10ppm

Packing: ISO tank, 17.5-19.6 MT
Drum, 160kg

Storage:Keep container tightly closed in a cool, well-ventilated place, protected from the sun. Keep away from food, drink and animal foodstuff. Open container slowly to safely vent pressure. Recommended maximum storage temperature is 37.8oC. Recommended maximum temperature during shipment is 65.5oC.

Applications:
Blowing agent for PU foams
Solvent for aerosols and pump sprays
Solvent for environmentally friendly paint strippers
Solvent for environmentally friendly paint thinner
Solvent for environmentally friendly pesticide
Solvent for cleaning and polishing chemicals
Cleaning agent for electronic elements
Production of ion exchange resins and polyacetal resins
Production of adhesives
Production of diesel additives

Classification:   UN No.: 1234
Class: 3
PG: II

  • COA-of-Methylal-99.5%:
  • COA-of-Methylal-99.9%:
  • Methylal-MSDS0716:
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