47676
二甲醇缩甲醛
absolute, over molecular sieve (H2O ≤0.01%), ≥99.0% (GC)
别名:
二甲氧基甲烷, 甲缩醛
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线性分子式:
CH2(OCH3)2
化学文摘社编号:
分子量:
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
n20/D 1.354
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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signalword
Danger
hcodes
Hazard Classifications
Flam. Liq. 2
supp_hazards
存储类别
3 - Flammable liquids
wgk
WGK 1
flash_point_f
-0.4 °F - closed cup
flash_point_c
-18 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves