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Name	METHYL PROPIOLATE	EINECS	213-083-5
CAS No.	922-67-8	Density	1.028 g/cm³
PSA	26.30000	LogP	-0.20740
Solubility	Not miscible in water.	Melting Point	171-173 °C
Formula	C₄H₄O₂	Boiling Point	104 °C at 760 mmHg
Molecular Weight	84.0746	Flash Point	10 °C
Transport Information	UN 3272 3/PG 2	Appearance	colourless to light yellow liquid
Safety	26-36-36/37/39-23-16-33-7/9	Risk Codes	11-36/37/38-36
Molecular Structure		Hazard Symbols	F, Xi
Synonyms	Propiolicacid, methyl ester (6CI,7CI,8CI);(Carbomethoxy)acetylene;(Methoxycarbonyl)acetylene;Methyl 2-propynoate;Methyl acetylenecarboxylate;Methyl acetylenemonocarboxylate;Methyl ethynecarboxylate;Methyl propargylate;Methyl propynoate;NSC 154164;Propynoic acid methyl ester;	Article Data	36

METHYL PROPIOLATE Chemical Properties

The Molecular formula of METHYL PROPIOLATE(922-67-8): C₄H₄O₂
The Molecular Weight of METHYL PROPIOLATE(922-67-8): 84.07
The Molecular Structure of METHYL PROPIOLATE(922-67-8):

EINECS: 213-083-5
Boiling Point: 104 °C at 760 mmHg
Flash Point: 10 °C
Index of Refraction: 1.408
Molar Refractivity: 20.18 cm³
Molar Volume: 81.8 cm³
Polarizability: 8 10^-24 cm³
Surface Tension: 32.2 dyne/cm
Density: 1.027 g/cm³
Enthalpy of Vaporization: 34.31 kJ/mol
Vapour Pressure: 31.4 mmHg at 25°C
storage temp.: Refrigerator (+4^°C) + Flammables area
BRN: 605462
Stability: Stable. Highly flammable. Incompatible with strong oxidizing agents, bases, acids.
Appearance: colourless to light yellow liquid
IUPAC Name: methyl prop-2-ynoate
Synonyms: METHYL ACETYLENECARBOXYLATE;2-propynoic acid methyl ester;PROPYNOIC ACID, METHYL ESTER;Acetylenecarboxylic acid methyl ester;PROPARGYLIC ACID METHYL ESTER;PROPIOLIC ACID METHYL ESTER;METHYL PROPIOLATE;METHYL PROPYNOATE;

METHYL PROPIOLATE Toxicity Data With Reference

The Toxicity Information of METHYL PROPIOLATE(922-67-8):

ivn-mus LD50:18 mg/kg

CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#08364 .

METHYL PROPIOLATE Safety Profile

Poison by intravenous route. Octakis(trifluorophosphine)rhodium catalyzes the violent polymerization of methyl propiolate. When heated to decomposition it emits acrid smoke and irritating fumes.
The Hazard Codes of METHYL PROPIOLATE(922-67-8):

Xi
Hazard Note: Highly Flammable/Harmful
HazardClass: 3
The Risk Statements information of METHYL PROPIOLATE(922-67-8):
11: Highly Flammable
36: Irritating to the eyes
36/37/38: Irritating to eyes, respiratory system and skin
The Safety Statements information of METHYL PROPIOLATE(922-67-8):
16: Keep away from sources of ignition - No smoking
23: Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer)
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
33: Take precautionary measures against static discharges
36: Wear suitable protective clothing
7/9: Keep container tightly closed and in a well-ventilated place
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
RIDADR: UN 3272 3/PG 2
WGK Germany: 3
RTECS: UE0050000
F: 19
PackingGroup: II
HS Code: 29161980

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