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47649 Aldrich

Formaldehyde dimethyl acetal

for Grignard reactions, ≥99.0% (GC)

Synonym: Dimethoxymethane, Methylal

  • CAS Number 109-87-5

  • Linear Formula CH2(OCH3)2

  • Molecular Weight 76.09

  •  Beilstein Registry Number 1697025

  •  EC Number 203-714-2

  •  MDL number MFCD00008495

  •  PubChem Substance ID 57651061

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Properties

Related Categories Acetals/Ketals/Ortho Esters, Building Blocks, Chemical Synthesis, Organic Building Blocks, Oxygen Compounds More...
grade   for Grignard reactions
InChI Key   NKDDWNXOKDWJAK-UHFFFAOYSA-N
assay   ≥99.0% (GC)
impurities   ≤0.2% water
density   0.860 g/mL at 20 °C(lit.)

Description

Packaging

1 L in glass bottle

250 mL in glass bottle

Application

Formaldehyde dimethyl acetal may be used in the following studies:
• Synthesis of methoxymethyl (MOM) ethers.
• As an external cross-linker to form microporous polymers.
• Dehydration of biological samples for scanning electron microscopy (SEM).

General description

Formaldehyde dimethyl acetal (FDA, FDMA, FADMA, dimethoxymethane, DMM, methylal) is a biodegradable dimethyl acetal. It has been synthesized by condensing formaldehyde with methanol in the presence of acid catalyst. It is ampiphilic in nature with low viscosity, surface tension and boiling point. It is a flammable, highly volatile solvent with excellent dissolving power. It is reported to form trimethylorthoformate by anodic methoxylation in basic methanol.

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Safety & Documentation

Safety Information

Symbol 
GHS02  GHS02
Signal word 
Danger
Hazard statements 
Precautionary statements 
Supplemental Hazard Statements 
May form explosive peroxides.
RIDADR 
UN1234 - class 3 - PG 2 - Methylal
WGK Germany 
1
RTECS 
PA8750000
Flash Point(F) 
-.4 °F
Flash Point(C) 
-18 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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