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1-Chloro-2-ethynylbenzene

1-Chloro-2-ethynylbenzene Structure
1-Chloro-2-ethynylbenzene structure
CAS No.
873-31-4
Chemical Name:
1-Chloro-2-ethynylbenzene
Synonyms
(2-Chlorophenyl)ethyne;2-CHLOROPHENYLACETYLENE;1-Chloro-2-ethynylbenzene;2'-CHLOROPHENYL ACETYLENE;2-Chlorophenylacetylene 98%;Benzene, 1-chloro-2-ethynyl-;1-Chloro-2-ethynylbenzene >1-Chloro-2-ethynylbenzene 98%;Benzene, 1-chloro-2-ethynyl- (7CI, 8CI, 9CI);1-CHLORO-2-ETHYNYLBENZENE ISO 9001：2015 REACH
CBNumber:
CB0778606
Molecular Formula:
C8H5Cl
Molecular Weight:
136.58
MDL Number:
MFCD00269951
MOL File:
873-31-4.mol
MSDS File:
SDS
Last updated:2026-09-12 18:48:29
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1-Chloro-2-ethynylbenzene Properties

Boiling point 64-65/15mm
Density 1.125 g/mL at 25 °C(lit.)
refractive index n20/D 1.5710(lit.)
Flash point 70 °C
storage temp. 2-8°C
solubility Soluble in hexane.
form Liquid
color Clear colorless to yellow
Stability Moisture, Light Sensitive
InChI 1S/C8H5Cl/c1-2-7-5-3-4-6-8(7)9/h1,3-6H
InChIKey DGLHLIWXYSGYBI-UHFFFAOYSA-N
SMILES Clc1ccccc1C#C
CAS DataBase Reference 873-31-4(CAS DataBase Reference)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs Respiratory system
PPE Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
Hazard Note  Irritant/Keep Cold
HS Code  29036990
Storage Class 10 - Combustible liquids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
NFPA 704
2
2 0

1-Chloro-2-ethynylbenzene price More Price(84)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 465305 1-Chloro-2-ethynylbenzene 98% 873-31-4 1g $102 2026-04-30 Buy
Sigma-Aldrich 465305 1-Chloro-2-ethynylbenzene 98% 873-31-4 5g $399 2023-06-20 Buy
TCI Chemical C2750 1-Chloro-2-ethynylbenzene >98.0%(GC) 873-31-4 1g $33 2026-04-30 Buy
TCI Chemical C2750 1-Chloro-2-ethynylbenzene >98.0%(GC) 873-31-4 5g $140 2026-04-30 Buy
AstaTech 98192 2'-CHLOROPHENYL ACETYLENE 98% 873-31-4 1G $27 2026-04-30 Buy
Product number Packaging Price Buy
465305 1g $102 Buy
465305 5g $399 Buy
C2750 1g $33 Buy
C2750 5g $140 Buy
98192 1G $27 Buy

1-Chloro-2-ethynylbenzene Chemical Properties, Uses, Production

Chemical Properties

Colourless Liquid

Uses

1-Chloro-2-ethynylbenzene may be used in the synthesis of 4-(2-chlorophenylethynyl)-3-methyl-5-phenylisoxazole.

Synthesis Reference(s)

Tetrahedron Letters, 22, p. 2495, 1981 DOI: 10.1016/S0040-4039(01)92942-9

General Description

1-Chloro-2-ethynylbenzene is a chlorinated benzene derivative.

1-Chloro-2-ethynylbenzene Preparation Products And Raw materials

Raw materials

1-chloro-2-(2,2-dibroMovinyl)benzene 3-(2-chlorophenyl)-, (Z)-2-Propenoic acid [2-(2-chlorophenyl)ethynyl]trimethylsilane Benzene, 1-[(1Z)-2-bromoethenyl]-2-chloro- Dimethyl (1-Diazo-2-oxopropyl)phosphonate
2'-Chloroacetophenone 2-Chlorobenzaldehyde 2-Bromochlorobenzene

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Preparation Products

2-Chlorostyrene 1-Chloro-2-ethylbenzene 2-Bromo-2'-chloroacetophenone

1-Chloro-2-ethynylbenzene Suppliers

Global Suppliers ( 204)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
3B Pharmachem (Wuhan) International Co.,Ltd. 18930552037 3bsc@sina.com China 15813 69
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Ark Pharm, Inc. 847-367-3680 sales@arkpharminc.com United States 1669 56
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
Beijing Ouhe Technology Co., Ltd 13552068683 13522913783 2355560935@qq.com China 11777 60
Accela ChemBio Co.,Ltd. 021-50795510 4000665055 marketing@accelachem.com China 10972 64
Shanghai Longsheng chemical Co.,Ltd. 58099637 13585536065 sales@shlschem.com China 9880 59
Supplier Advantage
J & K SCIENTIFIC LTD. 76
3B Pharmachem (Wuhan) International Co.,Ltd. 69
Alfa Aesar 84
TCI (Shanghai) Development Co., Ltd. 81
Ark Pharm, Inc. 56
Energy Chemical 61
Capot Chemical Co., Ltd 66
Beijing Ouhe Technology Co., Ltd 60
Accela ChemBio Co.,Ltd. 64
Shanghai Longsheng chemical Co.,Ltd. 59

View Latest Price from 1-Chloro-2-ethynylbenzene manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
1-CHLORO-2-ETHYNYLBENZENE pictures 2026-09-02 1-CHLORO-2-ETHYNYLBENZENE
873-31-4
 $1.00-100.00 1KG 99% Henan Fengda Chemical Co., Ltd
1-CHLORO-2-ETHYNYLBENZENE pictures 2021-08-12 1-CHLORO-2-ETHYNYLBENZENE
873-31-4
 $10.00-15.00 1KG 99%+ HPLC Zhuozhou Wenxi import and Export Co., Ltd
1-CHLORO-2-ETHYNYLBENZENE pictures 2019-07-06 1-CHLORO-2-ETHYNYLBENZENE
873-31-4
 $10.00 1KG 99% 100 Career Henan Chemical Co

1-Chloro-2-ethynylbenzene Spectrum

1-CHLORO-2-ETHYNYLBENZENE(873-31-4)1HNMR

873-31-4 (1-Chloro-2-ethynylbenzene) Related Search:

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2'-CHLOROPHENYL ACETYLENE 2-CHLOROPHENYLACETYLENE Benzene, 1-chloro-2-ethynyl- (7CI, 8CI, 9CI) 2-Chlorophenylacetylene 98% 1-Chloro-2-ethynylbenzene,(2-Chlorophenyl)acetylene Benzene, 1-chloro-2-ethynyl- (2-Chlorophenyl)ethyne 1-Chloro-2-ethynylbenzene 98% 1-Chloro-2-ethynylbenzene > 1-CHLORO-2-ETHYNYLBENZENE ISO 9001：2015 REACH 1-Chloro-2-ethynylbenzene 873-31-4 873-31-3 ClC6H4C8801CH Halogenated Hydrocarbons Organic Building Blocks Alkynyl Building Blocks Aromatic Halides (substituted) Aromatics Compounds Aromatics