ChemicalBook > CAS DataBase List > 4-Ethylphenylacetylene

4-Ethylphenylacetylene

Product Name
4-Ethylphenylacetylene
CAS No.
40307-11-7
Chemical Name
4-Ethylphenylacetylene
Synonyms
CH3CH2C6H4C≡CH;4-Ethylethynylbenzene;4-Ethylpenylacetylene;p-Ethylethynylbenzene;4-ETHYLPHENYLACETYLENE;P-ETHYLPHENYLACETYLENE;1-ETHYL-4-ETHYNYL-BENZENE;4-Ethylphenylacetylene97%;4-Ethylphenylacetylene 97%;1-ETHYL-4-ETH-1-YNYLBENZENE
CBNumber
CB9326462
Molecular Formula
C10H10
Formula Weight
130.19
MOL File
40307-11-7.mol
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4-Ethylphenylacetylene Property

Boiling point:
30 °C/0.05 mmHg (lit.)
Density 
0.930 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.5420(lit.)
Flash point:
160 °F
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
form 
clear liquid
color 
Colorless to Light yellow
CAS DataBase Reference
40307-11-7(CAS DataBase Reference)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
16-26-36-37/39
RIDADR 
UN 3334
WGK Germany 
3
Hazard Note 
Irritant
HazardClass 
9
HS Code 
29029090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

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

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

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

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
558893
Product name
1-Ethyl-4-ethynylbenzene
Purity
98%
Packaging
5g
Price
$137
Updated
2023/01/07
TCI Chemical
Product number
E0749
Product name
1-Ethyl-4-ethynylbenzene
Purity
>97.0%(GC)
Packaging
5g
Price
$133
Updated
2025/07/31
TCI Chemical
Product number
E0749
Product name
1-Ethyl-4-ethynylbenzene
Purity
>97.0%(GC)
Packaging
25g
Price
$530
Updated
2025/07/31
TRC
Product number
E917898
Product name
1-Ethyl-4-ethynylbenzene
Packaging
10mg
Price
$45
Updated
2021/12/16
Apolloscientific
Product number
OR2201
Product name
4-Ethylphenylacetylene
Purity
97%
Packaging
25g
Price
$41
Updated
2021/12/16
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4-Ethylphenylacetylene Chemical Properties,Usage,Production

Chemical Properties

Yellow liquid

Uses

1-Ethyl-4-ethynylbenzene may be used to synthesize:

  • 2,4-bis[(4-ethylphenyl)ethynyl]-6-methoxy-1,3,5-triazine
  • 2-[(4-ethylphenyl)ethynyl]-4-methoxy-6-(phenylethynyl)-1,3,5-triazine
  • 2-chloro-4-[(4-ethylphenyl)ethynyl]-6-methoxy-1,3,5-triazine
  • 4-chloro-6-[(4-ethylphenyl)ethynyl]-N,N-diphenyl-1,3,5-triazin-2-amine

Uses

Intermediates of Liquid Crystals

General Description

1-Ethyl-4-ethynylbenzene undergoes homocoupling reaction in the presence of copper(I) chloride (catalyst) and air (oxidant) to yield symmetrical 1,4-disubstituted 1,3-diyne.

4-Ethylphenylacetylene Preparation Products And Raw materials

Raw materials

Preparation Products

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4-Ethylphenylacetylene Suppliers

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View Lastest Price from 4-Ethylphenylacetylene manufacturers

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
Product
1-Ethyl-4-ethynylbenzene 40307-11-7
Price
US $2.20-8.80/kg
Min. Order
1kg
Purity
99%
Supply Ability
1000kg
Release date
2025-06-13
Henan Aochuang Chemical Co.,Ltd.
Product
4-Ethylphenylacetylene 40307-11-7
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
1ton
Release date
2022-10-18
Zhuozhou Wenxi import and Export Co., Ltd
Product
4-Ethylphenylacetylene 40307-11-7
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-11

40307-11-7, 4-EthylphenylacetyleneRelated Search:

Ethyl acetate Ethyl acrylate Acetylene 1-BUTYNE Ethanol Ethylparaben Phenylacetylene 4-Ethynyltoluene ISOXADIFEN-ETHYL Ethylbenzene 4-(TERT-BUTYL)PHENYLACETYLENE 1-Ethynyl-4-pentylbenzene 1-[4-(2-PHENYLETH-1-YNYL)PHENYL]ETHAN-1-ONE 1-ETH-1-YNYL-4-HEXYLBENZENE 1-(4-METHOXYPHENYL)-2-(4-N-PROPYLPHENYL)ACETYLENE 1-(4-ETHOXYPHENYL)-2-(4-N-PENTYLPHENYL)-ACETYLENE 1-(4-N-BUTYLPHENYL)-2-(4-ETHOXYPHENYL)ACETYLENE 1-Eth-1-ynyl-4-propylbenzene

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  • 1-ETHYL-4-ETH-1-YNYLBENZENE
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  • 4-Ethylethynylbenzene
  • 4-ETHYLPHENYLACETYLENE GC 98.5+%
  • P-ETHYLPHENYLACETYLENE
  • 4-Ethylpenylacetylene
  • CH3CH2C6H4C≡CH
  • 1-Ethyl-4-ethynylbenzene&gt
  • p-Ethylethynylbenzene
  • 1-Ethyl-4-ethynylbenzene - [E52271]
  • 40307-11-7
  • CH3CH2C6H4C8801CH
  • Building Blocks
  • Alkynes
  • Organic Building Blocks
  • Terminal
  • Aromatic Compounds
  • Acetylenes
  • Acetylenic Hydrocarbons having Benzene Ring
  • Alkynes
  • Organic Building Blocks
  • Terminal
  • Liquid crystal intermediates