ChemicalBook > CAS DataBase List > 3-COUMARANONE

3-COUMARANONE

Product Name
3-COUMARANONE
CAS No.
7169-34-8
Chemical Name
3-COUMARANONE
Synonyms
BENZOFURAN-3(2H)-ONE;COUMARANONE;Coumaran-3-one;3-Oxocoumaran;3-COUMARANONE;BENZOFURAN-3-ONE;3-Coumaranone,97%;1-benzofuran-3-one;3(2H)-BENZOFURANONE;(2H)-Benzofuran-3-one
CBNumber
CB8315041
Molecular Formula
C8H6O2
Formula Weight
134.13
MOL File
7169-34-8.mol
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3-COUMARANONE Property

Melting point:
101-103 °C
Boiling point:
207.23°C (rough estimate)
Density 
1.1603 (rough estimate)
refractive index 
1.4800 (estimate)
storage temp. 
Keep in dark place,Sealed in dry,Store in freezer, under -20°C
solubility 
Chloroform (Slightly), DMSO (Slightly)
form 
Solid
color 
Yellow to Dark Yellow
Water Solubility 
Slightly miscible with water.
Sensitive 
Light Sensitive
BRN 
115296
CAS DataBase Reference
7169-34-8(CAS DataBase Reference)
NIST Chemistry Reference
3(2H)-benzofuranone(7169-34-8)
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Safety

Hazard Codes 
Xi,Xn
Risk Statements 
36/37/38-20/21/22
Safety Statements 
22-24/25-36/37/39-26-36
WGK Germany 
3
F 
4.5-9
Hazard Note 
Irritant
HS Code 
29329990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H332Harmful if inhaled

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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

TCI Chemical
Product number
C2825
Product name
3-Coumaranone
Purity
>98.0%(GC)
Packaging
1g
Price
$49
Updated
2024/03/01
TCI Chemical
Product number
C2825
Product name
3-Coumaranone
Purity
>98.0%(GC)
Packaging
5g
Price
$163
Updated
2024/03/01
Alfa Aesar
Product number
A10202
Product name
3-Coumaranone, 97%
Packaging
1g
Price
$54.65
Updated
2024/03/01
Alfa Aesar
Product number
A10202
Product name
3-Coumaranone, 97%
Packaging
5g
Price
$183.65
Updated
2024/03/01
Alfa Aesar
Product number
A10202
Product name
3-Coumaranone, 97%
Packaging
25g
Price
$744.65
Updated
2024/03/01
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3-COUMARANONE Chemical Properties,Usage,Production

Chemical Properties

white to light yellow crystal powde

Uses

3-Coumaranone is used in the aurones, [2-benzylidenebenzofuran-3(2H)-ones] by reacting with appropriate aldehyde. It is involved in the condensation reaction with aldehydes in the presence of morpholine acetate to prepare substituted 2-(arylidene)benzofuran-3(ZH)-ones. In Horner-Wadsworth-Emmons reaction, it reacts with diethyl? cyanomethyl?phosphonate to give 3-(cyanomethyl)benzofurans, which is an intermediate in the synthesis of antihyperglycemic agents.

General Description

Benzofuran-3(2H)-one undergoes condensation with aldehydes in the presence of morpholine acetate to yield substituted 2-(arylidene)benzofuran-3(ZH)-ones. It undergoes acid- or base-catalyzed condensation with an appropriate aldehyde to yield aurones [2-benzylidenebenzofuran-3(2H)-ones].

3-COUMARANONE Preparation Products And Raw materials

Raw materials

Sodium acetate Acetic anhydride N,N-Dimethylformamide Acetone Potassium carbonate Chloroform Ethyl bromoacetate Tetrahydrofuran Hydrochloric acid Government regulation Acetic acid Methanol Sodium hydroxide 2'-Hydroxyacetophenone Methyl salicylate Magnesium sulfate

Preparation Products

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View Lastest Price from 3-COUMARANONE manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
3-Coumaranone 7169-34-8
Price
US $0.00-0.00/Kg
Min. Order
100G
Purity
99.0%+
Supply Ability
100 tons
Release date
2020-01-17
Career Henan Chemical Co
Product
Benzofuran-3(2H)-one 7169-34-8
Price
US $8.80/KG
Min. Order
1KG
Purity
97%-99%
Supply Ability
100kg
Release date
2019-07-09

7169-34-8, 3-COUMARANONERelated Search:

3-COUMARANONE 6-HYDROXY-3-COUMARANONE 5-CHLORO-BENZOFURAN-3-ONE (+)-Griseofulvin AUREUSIDIN(RG) 7-METHOXY-3(2H)-BENZOFURANONE MARITIMEIN 3-Ketocarbofuranphenol Rifamycin Sodium Rifampicin 4-O-(Carboxymethyl)rifamycin 3-BROMO-2-COUMARANONE 2-Coumaranone,99%,2-COUMARANONE 5-HYDROXY-2-COUMARANONE 2H-BEZOFURAN-3-ONE 3-COUMARANONE 2-ETHOXYCARBONYL-3-COUMARANONE,2-Carboethoxy-3-coumaranone 2,3-Dihydrobenzofuran SULFURETIN

  • 3-Oxocoumaran
  • 3-Coumaranonebenzofuran-3(2H)-one
  • Benzo[b]furan-3(2H)-one
  • 1-Benzofuran-3(2H)-one
  • 1-Benzofuran-3(2H)-one, Coumaran-3-one
  • 2,3-dihydro-1-benzofuran-2-one
  • 1-Benzofuran-3(2H)-one, Coumaran-3-one, 2,3-Dihydro-3-oxo-1-benzofuran
  • Benzofuran-3(2H)-one >=98.0% (HPLC)
  • 3-Coumaranone,97%
  • COUMARANONE
  • BENZOFURAN-3(2H)-ONE
  • BENZOFURAN-3(2H)-ONE, 3-COUMARANONE
  • BENZOFURAN-3-ONE
  • 2,3-DIHYDROBENZO[B]FURAN-3-ONE
  • 3(2H)-BENZOFURANONE
  • 3-COUMARANONE
  • 3-Coumaranone(3(2H)-Benzofuranone)
  • (2H)-Benzofuran-3-one
  • 2,3-dihydro-1-benzofuran-3-one
  • 2,3-Dihydrobenzofuran-3-one
  • Coumaran-3-one
  • 3-Coumaranone USP/EP/BP
  • 1-benzofuran-3-one
  • 3-Oxetanol,5-ethynyl-
  • 7169-34-8
  • Benzofurans
  • Building Blocks
  • Heterocyclic Building Blocks
  • Benzofurans
  • Building Blocks
  • Chemical Synthesis
  • Heterocyclic Building Blocks
  • Fused Ring Systems
  • pharmacetical
  • Furan&Benzofuran