ChemicalBook > CAS DataBase List > 4-Ethynyltoluene

4-Ethynyltoluene

Product Name
4-Ethynyltoluene
CAS No.
766-97-2
Chemical Name
4-Ethynyltoluene
Synonyms
1-ETHYNYL-4-METHYLBENZENE;BENZENE, 1-ETHYNYL-4-METHYL-;P-TOLYLACETYLENE;p-Methylphenylacetylene;ethynyltoluene;p-tolyacetylene;5-ETHYNYLTOLUENE;4-ETHYNYLTOLUENE;P-ETHYNYLTOLUENE;p-ethynyl-toluen
CBNumber
CB2761370
Molecular Formula
C9H8
Formula Weight
116.16
MOL File
766-97-2.mol
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4-Ethynyltoluene Property

Melting point:
168-170
Boiling point:
168-170 °C(lit.)
Density 
0.916 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.547(lit.)
Flash point:
120 °F
storage temp. 
Sealed in dry,2-8°C
form 
Liquid
color 
Clear pale yellow
Specific Gravity
0.916
Water Solubility 
Insoluble in water.
BRN 
969653
InChI
InChI=1S/C9H8/c1-3-9-6-4-8(2)5-7-9/h1,4-7H,2H3
InChIKey
KSZVOXHGCKKOLL-UHFFFAOYSA-N
SMILES
C1(C#C)=CC=C(C)C=C1
CAS DataBase Reference
766-97-2(CAS DataBase Reference)
NIST Chemistry Reference
Benzene, 1-ethynyl-4-methyl-(766-97-2)
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Safety

Hazard Codes 
Xi,Xn
Risk Statements 
10-36/37/38
Safety Statements 
16-26-27-36/37/39
RIDADR 
UN 3295 3/PG 3
WGK Germany 
3
RTECS 
XT2570000
Hazard Note 
Irritant/Keep Cold
HazardClass 
3
PackingGroup 
III
HS Code 
29029090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H226Flammable liquid and vapour

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
206504
Product name
4-Ethynyltoluene
Purity
97%
Packaging
5g
Price
$75.6
Updated
2025/07/31
TCI Chemical
Product number
E0655
Product name
4-Ethynyltoluene
Purity
>98.0%(GC)
Packaging
5g
Price
$51
Updated
2025/07/31
TCI Chemical
Product number
E0655
Product name
4-Ethynyltoluene
Purity
>98.0%(GC)
Packaging
25g
Price
$175
Updated
2025/07/31
GFS CHEMICALS
Product number
81483
Product name
4-ETHYNYLTOLUENE,97%
Packaging
5G
Price
$51.83
Updated
2021/12/16
TRC
Product number
E932663
Product name
4-Ethynyltoluene
Packaging
50mg
Price
$45
Updated
2021/12/16
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4-Ethynyltoluene Chemical Properties,Usage,Production

Chemical Properties

Clear pale yellow liquid

Uses

4-Ethynyltoluene was used in the synthesis of bis(bicyclic) products by the cycloaddition of alkynes to the AlN2C2.

Uses

Intermediates of Liquid Crystals

Definition

ChEBI: 4-Ethynyltoluene is a member of toluenes.

4-Ethynyltoluene Preparation Products And Raw materials

Raw materials

Preparation Products

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4-Ethynyltoluene Suppliers

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View Lastest Price from 4-Ethynyltoluene manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
Product
4-Ethynyltoluene 766-97-2
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
20 mt
Release date
2024-11-21
Hebei Fengqiang Trading Co., LTD
Product
p-Tolylacetylene 766-97-2
Price
US $100.00/drum
Min. Order
1drum
Purity
99
Supply Ability
5000
Release date
2023-09-07
Zhuozhou Wenxi import and Export Co., Ltd
Product
4-Ethynyltoluene 766-97-2
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

766-97-2, 4-EthynyltolueneRelated Search:

p-Toluenesulfonic acid p-Toluic acid Tosyl chloride 3-Ethynylaniline Xylene p-Tolualdehyde Trimethylsilylacetylene 1-Methyl-4-(methylsulfonyl)-benzene Phenylacetylene METHYLSTYRENE 1-BUTEN-3-YNE 4-ETHYNYL-BENZOIC ACID METHYL ESTER 1,4-Bis[(trimethylsilyl)ethynyl]benzene 1,8-Dichloro-9,10-bis(phenylethynyl) anthracene 1-Chloro-9,10-bis(phenylethynyl)anthracene 9,10-Bis(phenylethynyl)anthracene DI-P-TOLYLACETYLENE 1,4-BIS(PHENYLETHYNYL)BENZENE

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