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(Triphenylphosphoranylidene)ketene

Product Name
(Triphenylphosphoranylidene)ketene
CAS No.
15596-07-3
Chemical Name
(Triphenylphosphoranylidene)ketene
Synonyms
Bestmann Ylide;Ketenylidene(triphenyl)phosphorane;(Triphenylphosphoranylidene)ketene;2-triphenylphosphoranylideneethenone;(Triphenylphosphoranylidene)ethenone;Ethenone, 2-(triphenylphosphoranylidene)-;2-(triphenyl-$l^{5}-phosphanylidene)ethenone;2-(Triphenyl-lambda5-phosphanylidene)ethen-1-one;Ketenylidene(triphenyl)phosphorane Bestmann Ylide;(Triphenylphosphoranylidene)ethenone, Bestmann ylide, Ketenylidene(triphenyl)phosphorane
CBNumber
CB41570302
Molecular Formula
C20H15OP
Formula Weight
302.31
MOL File
15596-07-3.mol
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(Triphenylphosphoranylidene)ketene Property

Melting point:
167-173 °C
Boiling point:
455.4±38.0 °C(Predicted)
Density 
1.12±0.1 g/cm3(Predicted)
form 
solid
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Safety

WGK Germany 
3
HS Code 
2931.90.6000
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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

H335May cause respiratory irritation

Precautionary statements

P231+P232Handle under inert gas. Protect from moisture.

P234Keep only in original container.

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

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

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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
688185
Product name
(Triphenylphosphoranylidene)ketene
Packaging
1g
Price
$129
Updated
2025/07/31
TCI Chemical
Product number
T2565
Product name
(Triphenylphosphoranylidene)ketene
Packaging
1g
Price
$109
Updated
2025/07/31
TCI Chemical
Product number
T2565
Product name
(Triphenylphosphoranylidene)ketene
Packaging
5g
Price
$316
Updated
2025/07/31
AK Scientific
Product number
4246AL
Product name
(Triphenylphosphoranylidene)ketene
Packaging
5g
Price
$457
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0077849
Product name
(TRIPHENYLPHOSPHORANYLIDENE)KETENE
Purity
95.00%
Packaging
1G
Price
$687.63
Updated
2021/12/16
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(Triphenylphosphoranylidene)ketene Chemical Properties,Usage,Production

Uses

A nucleophilic two-carbon building block that participates in a variety of reactions including cycloaddition, multi-component, and domino reactions.

Preparation

(Triphenylphosphoranylidene)ketene (Ketenylidenetriphenylphosphorane) is prepared most conveniently by a β-elimination from (Methoxycarbonylmethylene)triphenylphosphorane using Sodium Hexamethyldisilazide or Sodium Amide as a base (eq 1). 

reaction suitability

reaction type: C-C Bond Formation

storage

(Triphenylphosphoranylidene)ketene is absence of moisture and air is necessary.

(Triphenylphosphoranylidene)ketene Preparation Products And Raw materials

Raw materials

Preparation Products

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(Triphenylphosphoranylidene)ketene Suppliers

TCI Chemicals (India) Pvt. Ltd.
Tel
--
Fax
--
Email
sales-in@tcichemicals.com
Country
India
ProdList
6768
Advantage
58
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View Lastest Price from (Triphenylphosphoranylidene)ketene manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
(Triphenylphosphoranylidene)ketene 15596-07-3
Price
US $1.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
20 tons
Release date
2020-01-16

15596-07-3, (Triphenylphosphoranylidene)keteneRelated Search:


  • 2-triphenylphosphoranylideneethenone
  • (Triphenylphosphoranylidene)ketene
  • Bestmann Ylide
  • Ketenylidene(triphenyl)phosphorane
  • Ketenylidene(triphenyl)phosphorane Bestmann Ylide
  • (Triphenylphosphoranylidene)ethenone
  • (Triphenylphosphoranylidene)ethenone, Bestmann ylide, Ketenylidene(triphenyl)phosphorane
  • Ethenone, 2-(triphenylphosphoranylidene)-
  • 2-(triphenyl-$l^{5}-phosphanylidene)ethenone
  • 2-(Triphenyl-lambda5-phosphanylidene)ethen-1-one
  • 15596-07-3
  • C20H15OP