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Methyl formate Structure

Methyl formate

Chemical Properties

Melting point -100 °C (lit.)
Boiling point 32-34 °C (lit.)
Density  0.974 g/mL at 20 °C (lit.)
vapor density  2.1 (vs air)
vapor pressure  32.91 psi ( 55 °C)
refractive index  n20/D 1.343(lit.)
Flash point −16 °F
storage temp.  Store below +30°C.
solubility  300g/l
form  Liquid
color  Clear colorless
PH 4-5 (200g/l, H2O, 20℃)
Odor Pleasant; agreeable.
Odor Threshold 130ppm
explosive limit 5-23%(V)
Odor Type fruity
Water Solubility  300 G/L (20 ºC)
λmax λ: 259 nm Amax: 1.00
λ: 260 nm Amax: 0.70
λ: 265 nm Amax: 0.20
λ: 270 nm Amax: 0.04
λ: 310-400 nm Amax: 0.01
Merck  14,6077
BRN  1734623
Henry's Law Constant 0.90 at 5.00 °C, 1.18 at 10.00 °C, 1.51 at 15.00 °C, 1.91 at 20.00 °C, 2.36 at 25.00 °C (column stripping-UV, Kutsuna et al., 2005)
Exposure limits TLV-TWA 100 ppm (~250 mg/m3) (ACGIH, MSHA, and OSHA); TLV-STEL 150 ppm (~375 mg/m3) (ACGIH); IDLH 5000 ppm (NIOSH).
Dielectric constant 8.5(20℃)
Stability Stable. Extremely flammable. Readily forms explosive mixtures with air. Note low flash point and very wide explosion limits. Incompatible with oxidizing agents.
LogP -0.21 at 25℃
CAS DataBase Reference 107-31-3(CAS DataBase Reference)
NIST Chemistry Reference Methyl formate(107-31-3)
EPA Substance Registry System Methyl formate (107-31-3)

Safety Information

Hazard Codes  F+,Xn
Risk Statements  12-20/22-36/37
Safety Statements  9-16-24-26-33
RIDADR  UN 1243 3/PG 1
WGK Germany  1
RTECS  LQ8925000
Autoignition Temperature 842 °F
TSCA  Yes
HS Code  2915 13 00
HazardClass  3
PackingGroup  I
Hazardous Substances Data 107-31-3(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 1500 mg/kg LD50 dermal Rat > 4000 mg/kg
IDLA 4,500 ppm

MSDS

Usage And Synthesis

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