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dimethoxymethane

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Origin: China

Cas No: 109-87-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
CAS No.:
109-87-5
Other Names:
dimethoxymethane
MF:
C3H8O2
EINECS No.:
203-714-2
Place of Origin:
China(Mainland)
Type:
Syntheses Material Intermediates
Purity:
86%, >=86%
Brand Name:
Sanmu
Model Number:
Methylal
Application:
for medicines, household articles etc
Appearance:
clear liquid
Apperance:
Colorless clear liquid
Density:
0.86kg/m3 (20℃)
Methyl alcohol contect(GC):
<14%
Formaldehyde contect(GC):
<0.2%
Packaging&Delivery
Selling Units:
Single item
Single package size:
15X15X20 cm
Single gross weight:
0.500 kg
Package Type:
```
25kg/drum
```
Lead Time:
Quantity(Kilograms) 1 - 500 >500
Est. Time(days) 7 To be negotiated

Property

CAS No.: 109-87-5 Formula: C3H8O2 Molecular Weight: 76.09440

Description

Dimethoxymethane, also called methylal, is a colorless flammable liquid with a low boiling point, low viscosity and excellent dissolving power. It has a chloroform-like odor and a pungent taste. It is the dimethyl acetal of formaldehyde. Dimethoxymethane is soluble in three parts water and miscible with most common organic solvents.

Basic Info

Chemical Name	dimethoxymethane
Synonyms	Formaldehyde dimethyl acetal,Methylal; Dimethoxymethane; Formal; dimethoxy methane; Dimethylformal; METHYLAL; Anesthenyl; 2,4-Dioxapentane; Methylene Glycol Dimethyl Ether; Formaldehyde dimethyl acetal; Methane, dimethoxy-; dimethylformaldehyde dimethyl acetal; Methane,dimethoxy; Dimethyl formal; dimethyloxymethane;
CAS No.	109-87-5
Molecular Formula	C3H8O2
Molecular Weight	76.09440
PSA	18.46000
LogP	0.23670

Properties

Appearance & Physical State	Colorless transparent liquid
Density	0.86
Boiling Point	41-42ºC
Melting Point	-105ºC
Flash Point	-18ºC
Refractive Index	1.3525-1.3545
Water Solubility	32.3 g/100 mL (16 ºC)
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.
Storage Condition	2-8ºC
Vapor Pressure	364.565mmHg at 25°C

Safety Info

RTECS	PA8750000
Hazard Class	3
Safety Statements	S16-S26-S37/39
HS Code	2909199090
Packing Group	II
WGK Germany	1
RIDADR	UN 1234
Risk Statements	R11; R36/37/38
Hazard Codes	F; Xi

Synthesis Route

Methanol+Ethanol→Acetal+dimethoxymethane
methoxymethylsulfanylethane→dimethoxymethane+ethylsulfanylmethylsulfanylethane
4-(chloromethyl)-1,3-dioxane+Methanol→3-Hydroxytetrahydrofuran+dimethoxymethane

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	Squalane	115.	500.	isothermal
Capillary	BP-1	-	511.	temperature ramp
Capillary	SPB-1	-	508.	custom temperature program
Capillary	SPB-1	-	508.	custom temperature program
Capillary	SPB-1	-	505.	custom temperature program