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Merck
CN

694126

Methoxyallene

technical grade

Synonym(s):

1-Methoxy-1,2-propadiene, Methyl propadienyl ether, NSC 363923

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About This Item

Empirical Formula (Hill Notation):
C4H6O
CAS Number:
Molecular Weight:
70.09
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
MDL number:
Form:
liquid
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InChI

1S/C4H6O/c1-3-4-5-2/h4H,1H2,2H3

SMILES string

COC=C=C

InChI key

RRWJXAJEGRDMQH-UHFFFAOYSA-N

grade

technical grade

form

liquid

refractive index

n20/D 1.429

density

0.832 g/mL at 25 °C

functional group

ether

storage temp.

2-8°C

Quality Level

Application

Reactant involved in:
  • Multicomponent reactions with nitriles and carboxylic acids followed by cyclocondensation for synthesis of enantiopure pyridines
  • Intermolecular hydroamination
  • One-pot synthesis of alkoxy and (alkylsulfanyl)-substituted pyrroles and dihydropyridines
  • Intermolecular [4+2] cycloaddition with dienes
  • Allenyl cyclization and subsequent transformation into dicarbonyl, cyclopentenones, and butenolide compounds
  • Insertion reactions of C-C pi-bonds into alkylidenesilacyclopropanes

pictograms

Flame

signalword

Danger

hcodes

pcodes

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

-20.0 °F

flash_point_c

-28.9 °C

ppe

Eyeshields, Faceshields, Gloves

Regulatory Information

危险化学品
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