3-Butyn-2-one

3-Butyn-2-one Basic information

Product Name:	3-Butyn-2-one
Synonyms:	Methyl ethynyl ketone;ETHYNYL METHYL KETONE;1-BUTYN-3-ONE;1-BUTYNE-3-ONE;3-BUTYNE-2-ONE;3-BUTYN-2-ONE;3-Butyn-2-one 99%;3-BUTYN-2-ONE, 98+%
CAS:	1423-60-5
MF:	C4H4O
MW:	68.07
EINECS:	215-834-2
Product Categories:	C3 to C6;Carbonyl Compounds;Ketones;ketone;Acetylenes;Functionalized Acetylenes
Mol File:	1423-60-5.mol

3-Butyn-2-one Chemical Properties

Boiling point	85 °C(lit.)
density	0.87 g/mL at 25 °C(lit.)
refractive index	n20/D 1.406(lit.)
Fp	28 °F
storage temp.	0-6°C
form	Liquid
Specific Gravity	0.870
color	Clear yellow to orange-brown
Water Solubility	It is soluble in water.
BRN	605353
CAS DataBase Reference	1423-60-5(CAS DataBase Reference)
NIST Chemistry Reference	3-Butyn-2-one(1423-60-5)
EPA Substance Registry System	3-Butyn-2-one (1423-60-5)

Safety Information

Hazard Codes	F,T+,T,Xi,E,Xn
Risk Statements	28-36/37/38-11-15-10
Safety Statements	45-36/37/39-28A-26-16-43-7/8-7/9-24/25
RIDADR	UN 1992 3/PG 2
WGK Germany	3
RTECS	ES0875000
F	19
Hazard Note	Highly Flammable/Highly Toxic
HazardClass	3
PackingGroup	II
HS Code	29141900

MSDS Information

Provider	Language
3-Butyn-2-one	English
SigmaAldrich	English
ACROS	English
ALFA	English

3-Butyn-2-one Usage And Synthesis

Chemical Properties	clear yellow to orange-brown liquid
Chemical Properties	3-Butyn-2-one is a clear, colorless liquid that is chemically reactive. It has a boiling point of 85.0°C. The autoignition temperature for 3-butyn-2-one is 274°C. 3-Butyn-2-one has a penetrating odor and is a lacrimator. 3-Butyn-2-one has a penetrating odor and is a lacrimator.
Uses	3-Butyn-2-one was used in the synthesis of clerodane diterpenoid (+/-)-sacacarin. It was used as substrate in stereoselective, conjugate arylation mediated by gallium(III) chloride leading to (E)-α,β-unsaturated ketones.
Definition	ChEBI: Butyn-2-one is a methyl ketone and a terminal acetylenic compound. It is functionally related to a butan-2-one.
General Description	3-Butyn-2-one undergoes asymmetric double-Michael reaction with ortho-tosylamidophenyl malonate catalyzed by chiral aminophosphines to yield indolines. It undergoes double Michael reaction with nitrogen-containing tethered diacid to give pipecolic acid derivatives.

3-Butyn-2-one Preparation Products And Raw materials

Raw materials	2-methoxy-1-Buten-3-yne-->3,5-DIMETHYL-1-HEXYN-3-OL-->4-(Trimethylsilyl)-3-butyn-2-one-->2-METHYL-1-BUTEN-3-YNE
Preparation Products	2,6-DIMETHYL-PYRIDINE-3-CARBALDEHYDE-->(E)-6-Methyl-3,5-heptadien-2-one-->3-METHYLISOTHIAZOLE-->1-QUINOLIN-3-YLETHANONE-->CHEMBRDG-BB 4005123-->3-Butyn-2-one ethylene ketal

1-(4-NITRO-PHENYL)-3-PHENYL-PROPYNONE 1-Phenyl-2-butyn-1-one 4-METHOXY-4-METHYL-1-PHENYL-PENT-2-YN-1-ONE 3-(1-METHOXY-CYCLOHEXYL)-1-PHENYL-PROPYNONE 1-(1-METHOXY-CYCLOHEXYL)-4-METHYL-PENT-1-YN-3-ONE 3-OCTYN-2-ONE 3-(1-METHOXY-CYCLOHEXYL)-1-(4-NITRO-PHENYL)-PROPYNONE 1,5-DI-TERT-BUTYL-1,4-PENTADIYN-3-ONE 3-HEPTYN-2-ONE 6-METHOXY-2,6-DIMETHYL-HEPT-4-YN-3-ONE 4-METHOXY-4-METHYL-1-NAPHTHALEN-1-YL-PENT-2-YN-1-ONE DIPHENYLPROPYNONE 1-(4-chlorophenyl)-3-(4-methyl-1-piperazinyl)-2-propyn-1-one 4-METHOXY-4-METHYL-1-PHENYL-DEC-2-YN-1-ONE 3-PHENYL-1-P-TOLYL-PROPYNONE 4-METHOXY-4-METHYL-1-(4-NITRO-PHENYL)-PENT-2-YN-1-ONE 4-(TRIMETHYLSILYL)-3-BUTYN-2-ONE 98%,4-(Trimethysilyl)-3-butyn-2-one,4-TRIMETHYLSILYL-3-BUTYN-2-ONE 4-METHOXY-4-METHYL-1-(4-NITRO-PHENYL)-DEC-2-YN-1-ONE

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