Product Name: Methyl propiolate
Synonyms: Methyl acetylenecarboxylate~Propiolic acid methyl ester~Propynoic acid methyl ester;Methylpropiolate,99%;METHYPROPIOLATE,99%;(Methoxycarbonyl)acetylene;Methyl acetylenemonocarboxylate;Methyl propargylate;Acetylene-1-carboxylic acid methyl ester;Methyl propinoate
CAS: 922-67-8
MF: C4H4O2
MW: 84.07
EINECS: 213-083-5
Product Categories: Miscellaneous;Aliphatics;Esters;Acetylenes;Acetylenic Carboxylic Acids & Their Derivatives;Pyridines;-;pharmaceutical raw material
Mol File: 922-67-8.mol
Methyl propiolate Structure
Methyl propiolate Chemical Properties
Melting point 171-173 °C
Boiling point 103-105 °C(lit.)
density 0.945 g/mL at 25 °C(lit.)
refractive index n20/D 1.408(lit.)
Fp 50 °F
storage temp. Refrigerator (+4°C) + Flammables area
form Liquid
Specific Gravity 0.9450
color Clear colorless
Water Solubility Not miscible in water.
BRN 605462
Stability: Stable. Highly flammable. Incompatible with strong oxidizing agents, bases, acids.
InChIKey IMAKHNTVDGLIRY-UHFFFAOYSA-N
CAS DataBase Reference 922-67-8(CAS DataBase Reference)
NIST Chemistry Reference 2-Propynoic acid, methyl ester(922-67-8)
Safety Information
Hazard Codes F,Xi
Risk Statements 11-36/37/38-36
Safety Statements 26-36-36/37/39-23-16-33-7/9
RIDADR UN 3272 3/PG 2
WGK Germany 3
RTECS UE0050000
F 19
Hazard Note Highly Flammable/Harmful
HazardClass 3
PackingGroup II
HS Code 29161980
MSDS Information
Provider Language
2-Propynoic acid methyl ester English
ACROS English
SigmaAldrich English
ALFA English
Methyl propiolate Usage And Synthesis
Chemical Properties colourless to light yellow liquid
Purification Methods Purify the propiolate by fractional distillation and collecting the middle fraction, note that propiolic acid has a high b [144o(dec)/760mm]. [Beilstein 2 IV 1688.] LACHRYMATORY.
Methyl propiolate Preparation Products And Raw materials
Raw materials Carbomer 940
Preparation Products Carbomer 940-->EAM resin adhesive modified with diisocyanate for orthodontias-->CC-2SH adhesive composite used in anterior teeth-->tussah silk fabric aftertreatment finishing agent-->Neutral silicone sealant