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Dimethoxymethane, 98%

Catalog No. AAA12055AE
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AAA12055AP 500 mL
AAA120550F 2500 mL
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Catalog No. AAA12055AE Supplier Thermo Scientific Chemicals Supplier No. A12055AE
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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.

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

Specifications

Melting Point -105°C
Density 0.863
Boiling Point 41°C to 42°C
Flash Point −17°C (1°F)
Refractive Index 1.3545
Linear Formula CH3OCH2OCH3
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
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Safety and Handling

Hazard Category H225
Hazard Statement GHS H Statement
H225-H319
Highly flammable liquid and vapor.
Causes serious eye irritation.
Precautionary Statement P210-P233-P240-P241-P242-P243-P280-P303+P361+P353-P370+P378q-P501c
DOTInformation Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: METHYLAL
EINECSNumber 203-714-2
RTECSNumber PA8750000
TSCA Yes
Recommended Storage Ambient temperatures; Store under Nitrogen

RUO – Research Use Only