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149-73-5

Name Trimethoxymethane
CAS 149-73-5
EINECS(EC#) 205-745-7
Molecular Formula C4H10O3
MDL Number MFCD00008483
Molecular Weight 106.12
MOL File 149-73-5.mol

Chemical Properties

Appearance Colorless liquid
Melting point  -53 °C
Boiling point  101-102 °C(lit.)
density  0.97 g/mL at 25 °C(lit.)
vapor density  3.67 (vs air)
vapor pressure  23.5 mm Hg ( 20 °C)
refractive index  n20/D 1.379(lit.)
Fp  60 °F
storage temp.  Store at RT.
solubility  Miscible with ether, alcohol and benzene.
form  Liquid
color  Clear colorless
explosive limit 1.4-44.6%(V)
Water Solubility  10 g/L (hydrolysis)
Sensitive  Moisture Sensitive
Merck  14,6884
BRN  969215
InChIKey PYOKUURKVVELLB-UHFFFAOYSA-N
LogP -0.03-0.09 at 20℃
CAS DataBase Reference 149-73-5(CAS DataBase Reference)
NIST Chemistry Reference Methane, trimethoxy-(149-73-5)
EPA Substance Registry System 149-73-5(EPA Substance)

Safety Data

Hazard Codes  F,Xi
Risk Statements 
R11:Highly Flammable.
R36:Irritating to the eyes.
Safety Statements 
S9:Keep container in a well-ventilated place .
S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S29:Do not empty into drains .
RIDADR  UN 3272 3/PG 2
WGK Germany  1
RTECS  RM6650000
Autoignition Temperature 255 °C
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29159080
Safety Profile
A skin and eye irritant. A very dangerous fire hazard when exposed to heat or flame; can react with oxidizing materials. Hazardous to prepare. To fight fire, use CO2, fog, haze. When heated to decomposition it emits acrid smoke and irritating fumes. See also ESTERS.
Hazardous Substances Data 149-73-5(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 3130 mg/kg

Hazard Information

Material Safety Data Sheet(MSDS)

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