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171859

Methyl propiolate

99%

Synonym(s):

Methyl acetylenecarboxylate

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About This Item

Linear Formula:
HC≡CCO2CH3
CAS Number:
922-67-8
Molecular Weight:
84.07
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24850388
EC Number:
213-083-5
Beilstein/REAXYS Number:
605462
MDL number:
MFCD00008572
Assay:
99%
Form:
liquid
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Quality Segment

assay

99%

form

liquid

refractive index

n20/D 1.408 (lit.)

bp

103-105 °C (lit.)

density

0.945 g/mL at 25 °C (lit.)

functional group

ester

SMILES string

COC(=O)C#C

InChI

1S/C4H4O2/c1-3-4(5)6-2/h1H,2H3

InChI key

IMAKHNTVDGLIRY-UHFFFAOYSA-N

Application

N-3 protecting reagent for uridines and thymidines.
Used in a one-pot, four-component synthesis of 1,2,3,5-benzenetetracarboxylates promoted by Ph3P.
Methyl propiolate was used in the synthesis of polysubstituted 3-arylaminoacrylate and tetrahydropyrimidin-2-one derivatives. It was also used as a thiol derivatizing agent for capillary electrophoresis.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class

3 - Flammable liquids

WGK

WGK 3

Flash Point (°F)

60.8 °F - closed cup

Flash Point (°C)

16 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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