47676
Formaldehyde dimethyl acetal
absolute, over molecular sieve (H2O ≤0.01%), ≥99.0% (GC)
Synonym(s):
Dimethoxymethane, Methylal
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About This Item
Linear Formula:
CH2(OCH3)2
CAS Number:
Molecular Weight:
76.09
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
203-714-2
Beilstein/REAXYS Number:
1697025
MDL number:
Assay:
≥99.0% (GC)
grade
absolute
Quality Segment
assay
≥99.0% (GC)
quality
over molecular sieve (H2O ≤0.01%)
refractive index
n
density
0.860 g/mL at 20 °C (lit.)
functional group
acetal, ether
SMILES string
COCOC
InChI
1S/C3H8O2/c1-4-3-5-2/h3H2,1-2H3
InChI key
NKDDWNXOKDWJAK-UHFFFAOYSA-N
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 amphiphilic 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.
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).
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Signal Word
Danger
Hazard Codes
Precautionary Statements
Hazard Classifications
Flam. Liq. 2
supp_hazards
Storage Class
3 - Flammable liquids
WGK
WGK 1
Flash Point (°F)
-0.4 °F - closed cup
Flash Point (°C)
-18 °C - closed cup
PPE (personal protective equipment)
Eyeshields, Faceshields, Gloves
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