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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;2'-CHLOROPHENYL ACETYLENE;1-CHLORO-2-ETHYNYLBENZENE;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:2026-01-13 11:13:56
Product description Number Pack Size Price
1-Chloro-2-ethynylbenzene 98% 465305 1g $89.27
1-Chloro-2-ethynylbenzene 98% 465305 5g $399
1-Chloro-2-ethynylbenzene >98.0%(GC) C2750 1g $32
1-Chloro-2-ethynylbenzene >98.0%(GC) C2750 5g $136
2-Chlorophenylacetylene C375500 25g $640
More product size
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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)  GHS hazard pictograms
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(50)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 465305 1-Chloro-2-ethynylbenzene 98% 873-31-4 1g $89.27 2025-07-31 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 $32 2025-07-31 Buy
TCI Chemical C2750 1-Chloro-2-ethynylbenzene >98.0%(GC) 873-31-4 5g $136 2025-07-31 Buy
TRC C375500 2-Chlorophenylacetylene 873-31-4 25g $640 2021-12-16 Buy
Product number Packaging Price Buy
465305 1g $89.27 Buy
465305 5g $399 Buy
C2750 1g $32 Buy
C2750 5g $136 Buy
C375500 25g $640 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( 196)Suppliers
Supplier Tel Email Country ProdList Advantage
Henan Fengda Chemical Co., Ltd 		+86-371-86557731 +86-13613820652 info@fdachem.com China 20128 58
career henan chemical co 		+86-0371-86658258 +8613203830695 sales@coreychem.com China 29831 58
Accela ChemBio Inc. 		+1-858-6993322 info@accelachem.com United States 21193 58
Alchem Pharmtech,Inc. 		8485655694 sales@alchempharmtech.com United States 63687 58
CONIER CHEM AND PHARMA LIMITED 		+8618523575427 sales@conier.com China 49977 58
Fuxin Pharmaceutical 		+86-021-021-50872116 +8613122107989 contact@fuxinpharm.com China 10000 58
Neostar United (Changzhou) Industrial Co., Ltd. 		+86-0519-85551759 +8613506123987 marketing1@neostarunited.com China 8830 58
Hefei TNJ Chemical Industry Co.,Ltd. 		+86-0551-65418671 +8618949823763 sales@tnjchem.com China 34563 58
Shanghai UCHEM Inc. 		+862156762820 +86-13564624040 sales@myuchem.com China 8731 58
Shaanxi Dideu Medichem Co. Ltd 		+86-029-89586680 +86-18192503167 1026@dideu.com China 7099 58
Supplier Advantage
Henan Fengda Chemical Co., Ltd 		58
career henan chemical co 		58
Accela ChemBio Inc. 		58
Alchem Pharmtech,Inc. 		58
CONIER CHEM AND PHARMA LIMITED 		58
Fuxin Pharmaceutical 		58
Neostar United (Changzhou) Industrial Co., Ltd. 		58
Hefei TNJ Chemical Industry Co.,Ltd. 		58
Shanghai UCHEM Inc. 		58
Shaanxi Dideu Medichem Co. Ltd 		58

View Lastest Price from 1-CHLORO-2-ETHYNYLBENZENE manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
1-CHLORO-2-ETHYNYLBENZENE pictures 2025-09-25 1-CHLORO-2-ETHYNYLBENZENE
873-31-4
 US $100.00-1.00 / KG 1KG 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
1-CHLORO-2-ETHYNYLBENZENE pictures 2021-08-12 1-CHLORO-2-ETHYNYLBENZENE
873-31-4
 US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
1-CHLORO-2-ETHYNYLBENZENE pictures 2019-07-06 1-CHLORO-2-ETHYNYLBENZENE
873-31-4
 US $10.00 / KG/Tin 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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4-(2,3-DICHLOROPHENYL)-3-BUTYN-2-OL 3-(2-CHLORO-4-NITROPHENYL)-2-PROPYN-1-OL 4-(2,5-DICHLOROPHENYL)-2-METHYL-3-BUTYN-2-OL 3-(2-CHLORO-5-NITROPHENYL)-2-PROPYN-1-OL 4-(2-CHLOROPHENYL)-2-METHYL-3-BUTYN-2-OL
4-(2-CHLORO-5-NITROPHENYL)-3-BUTYN-2-OL 4-(2-CHLORO-5-NITROPHENYL)-2-METHYL-3-BUTYN-2-OL 4-(2,4-DICHLOROPHENYL)-2-METHYL-3-BUTYN-2-OL 4-(2,4-DICHLOROPHENYL)-3-BUTYN-2-OL 4-(2,3-DICHLOROPHENYL)-2-METHYL-3-BUTYN-2-OL
3-(2,4-DICHLOROPHENYL)-2-PROPYN-1-OL 4-(2-CHLORO-4-NITROPHENYL)-3-BUTYN-2-OL 4-(2-CHLOROPHENYL)-3-BUTYN-2-OL

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1-CHLORO-2-ETHYNYLBENZENE 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 873-31-4 873-31-3 ClC6H4C8801CH Halogenated Hydrocarbons Organic Building Blocks Alkynyl Building Blocks Aromatic Halides (substituted) Aromatics Compounds Aromatics