Dimethoxymethane
- CAS:109-87-5
- MF:C3H8O2
- MW:76.09
- EINECS:203-714-2
- Melting point::
- -105 °C
- Boiling point::
- 41-43 °C
- Density :
- 0.860 g/mL at 20 °C(lit.)
- vapor density :
- 2.6 (vs air)
- vapor pressure :
- 6.38 psi ( 20 °C)
- refractive index :
- n
20/D 1.354
- Flash point::
- -18 °C
- storage temp. :
- Store at <= 20°C.
- solubility :
- 32.3 g/100 mL (16°C)
- form :
- Liquid
- pka:
- 3.1[at 20 ℃]
- color :
- Clear colorless
- Odor:
- Mild, ethereal; chloroform-like.
- PH:
- pH (12.5vol % , 25℃) : 4.5~6.6
- explosive limit:
- 1.6-17.6%(V)
- Water Solubility :
- 32.3 g/100 mL (16 ºC)
- Sensitive :
- Moisture Sensitive
- Merck :
- 14,6012
- BRN :
- 1697025
- Henry's Law Constant:
- (x 10-4 atm?m3/mol): 1.73 at 25 °C (Hine and Mookerjee, 1975)
- Exposure limits:
- NIOSH REL: TWA 1,000 ppm (3,100 mg/m3), IDLH 2,200 ppm; OSHA PEL: TWA 1,000 ppm; ACGIH TLV: TWA 1,000 ppm (adopted).
- Dielectric constant:
- 2.7(20℃)
- Stability::
- Stable. Extremely flammable. Readily forms explosive mixtures with air. Note low flash point and wide explosive limits. Incompatible with strong oxidizing agents, strong acids. May form explosive peroxides upon exposure to air.
- Symbol(GHS)

GHS02
- Signal word
- Danger
- Hazard statements
- H225
- Precautionary statements
- P210-P233-P240-P241-P242-P243


