ChemicalBook > CAS DataBase List > 3-Butyn-2-one

3-Butyn-2-one

Product Name
3-Butyn-2-one
CAS No.
1423-60-5
Chemical Name
3-Butyn-2-one
Synonyms
But-3-yn-2-one;Acetylacetylene;BROX-002;butyn-2-one;Acetylethyne;1-BUTYN-3-ONE;3-BUTYN-2-ONE;CH3COCequivCH;3-BUTYNE-2-ONE;1-BUTYNE-3-ONE
CBNumber
CB9727218
Molecular Formula
C4H4O
Formula Weight
68.07
MOL File
1423-60-5.mol
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3-Butyn-2-one Property

Boiling point:
85 °C(lit.)
Density 
0.87 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.406(lit.)
Flash point:
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)
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Safety

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
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H300Fatal if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
161314
Product name
3-Butyn-2-one
Purity
95%
Packaging
2.5ml
Price
$168.5
Updated
2025/07/31
Sigma-Aldrich
Product number
161314
Product name
3-Butyn-2-one
Purity
95%
Packaging
10ml
Price
$660
Updated
2025/07/31
TCI Chemical
Product number
B2393
Product name
3-Butyn-2-one
Purity
>97.0%(GC)
Packaging
1g
Price
$72
Updated
2025/07/31
TCI Chemical
Product number
B2393
Product name
3-Butyn-2-one
Purity
>97.0%(GC)
Packaging
5g
Price
$242
Updated
2025/07/31
TRC
Product number
B810803
Product name
3-Butyn-2-one
Packaging
100mg
Price
$45
Updated
2021/12/16
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3-Butyn-2-one Chemical Properties,Usage,Production

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

Preparation Products

2,6-DIMETHYL-PYRIDINE-3-CARBALDEHYDE
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3-Butyn-2-one Suppliers

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View Lastest Price from 3-Butyn-2-one manufacturers

Zhuozhou Wenxi import and Export Co., Ltd
Product
3-Butyn-2-one 1423-60-5
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-06-27
Career Henan Chemical Co
Product
3-Butyn-2-one 1423-60-5
Price
US $9.80/KG
Min. Order
1g
Purity
＞98%
Supply Ability
20 tons
Release date
2020-02-10

1423-60-5, 3-Butyn-2-oneRelated Search:

2-Butanone oxime 4-Methyl-2-pentanone Methyltris(methylethylketoxime)silane 3-HEXYN-2-ONE 2-Butanone 4-(TRIMETHYLSILYL)-3-BUTYN-2-ONE 98%,4-(Trimethysilyl)-3-butyn-2-one,4-TRIMETHYLSILYL-3-BUTYN-2-ONE 4-PHENYL-3-BUTYN-2-ONE 97+%,1-Phenyl-1-butyn-3-one,3-Butyn-2-one, 4-phenyl-,4-PHENYL-3-BUTYN-2-ONE 4-(Dimethylphenylsilyl)-3-butyn-2-one 1,5-DI-TERT-BUTYL-1,4-PENTADIYN-3-ONE DIPHENYLPROPYNONE 3-PHENYL-1-P-TOLYL-PROPYNONE 1-Phenyl-2-butyn-1-one 3-Butyn-2-one, 4-(1-methyl-1H-pyrrol-2-yl)- (9CI) 3-Butyn-2-one,4-(4-fluorophenyl)-(9CI) 3-Butyn-2-one 3-HEPTYN-2-ONE 3-(1-METHOXY-CYCLOHEXYL)-1-PHENYL-PROPYNONE 1-(4-NITRO-PHENYL)-3-PHENYL-PROPYNONE

  • 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+%
  • 3-Butyn-2-one,99%
  • 3-Butyn-2-one,96%
  • But-3-yn-2-one 99%
  • 3-Butyn-2-one, 96% 2.5GR
  • Ethynyl methyl ketone, Acetylacetylene
  • 3-Butyn-2-one(6CI,7CI,8CI,9CI)
  • Acetylacetylene
  • Acetylethyne
  • But-3-yn-2-one
  • CH3COCequivCH
  • Ketone, ethynyl methyl
  • butyn-2-one
  • BROX-002
  • 3-Butyn-2-one &gt
  • 1423-60-5
  • C4H4O
  • HCCCOCH3
  • HC8801CCOCH3
  • C4H40
  • Building Blocks
  • Carbonyl Compounds
  • C3 to C6
  • Functionalized Acetylenes
  • Acetylenes
  • Ketones
  • Organic Building Blocks
  • C3 to C6
  • Carbonyl Compounds
  • Ketones
  • ketone
  • Acetylenes
  • Functionalized Acetylenes