Dimethoxymethane, 98%

Product Code. 11354489

Brand: Thermo Scientific Alfa Aesar A12055.AE

Description

CAS: 109-87-5 | C3H8O2 | 76.095 g/mol

Used to protect diols as their methylene acetals, using TMS-OTf/2,6-lutidine:

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Used to protect diols as their methylene acetals, using TMS-OTf/2,6-lutidine:

Solubility
Soluble in water 20°C 330g/L.

Notes
Moisture Sensitive. Store away from oxidizing agents, moisture/water and acids. Store under inert gas.

Specifications

Chemical Identifiers

• CAS: 109-87-5
• Molecular Formula: C3H8O2
• Molecular Weight (g/mol): 76.095
• MDL Number: MFCD00008495
• InChI Key: NKDDWNXOKDWJAK-UHFFFAOYSA-N
• Synonym: methylal, formal, methane, dimethoxy, formaldehyde dimethyl acetal, dimethyl formal, anesthenyl, 2,4-dioxapentane, bis methoxy methane, methylene dimethyl ether, methoxymethyl methyl ether
• PubChem CID: 8020
• ChEBI: CHEBI:48341
• IUPAC Name: dimethoxymethane
• SMILES: COCOC

• Melting Point: -105°C
• Density: 0.863
• Boiling Point: 41°C to 42°C
• Flash Point: −17°C (1°F)
• Linear Formula: CH₃OCH₂OCH₃
• Refractive Index: 1.3545
• Quantity: 100 mL
• UN Number: UN1234
• Beilstein: 1697025
• Sensitivity: Moisture sensitive
• Merck Index: 14,6012
• Solubility Information: Soluble in water 20°C 330g/L.
• Formula Weight: 76.1
• Percent Purity: 98%
• Chemical Name or Material: Dimethoxymethane

Safety and Handling

Product Identifier

• Dimethoxymethane

Signal Word

• Danger

Hazard Category

• Flammable liquid Category 2

Hazard Statement

• H225-Highly flammable liquid and vapour.

Precautionary Statement

• P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
• P240-Ground/bond container and receiving equipment.
• P403+P233-Store in a well-ventilated place. Keep container tightly closed.

Supplemental information

• MIXTURE LIST-Contains : Dimethoxymethane

SDS

RUO – Research Use Only