3-Chloro-1-ethynylbenzene - ≥97% , CAS No.766-83-6

CAS: 766-83-6 Cat. No.: C110226 Molecular Weight: 136.58 EC Number: 628-258-5
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
(3-Chlorophenyl)acetylene | DTXSID60227413 | Q-102451 | ethynyl-3-chlorobenzene | Z1080385596 | IMIDAZO(5,1-F)(1,2,4)TRIAZIN-4(1H)-ONE, 2-(2-ETHOXYPHENYL)-5-METHYL-7-PROPYL- | 1-Chloro-3-ethynylbenzene | 1-chloro-3-ethynyl-benzene | 3'-CHLOROPHENYL ACETYL
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
C110226-1g
1

$9.90

$14.90
Save $5.00 (33.56%)
5g
C110226-5g
2

$24.90

$37.90
Save $13.00 (34.30%)
10g
C110226-10g
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$40.90

$61.90
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25g
C110226-25g
2

$49.90

$74.90
Save $25.00 (33.38%)
100g
C110226-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$198.90

$298.90
Save $100.00 (33.46%)
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
(3-Chlorophenyl)acetylene | DTXSID60227413 | Q-102451 | ethynyl-3-chlorobenzene | Z1080385596 | IMIDAZO(5, 1-F)(1, 2, 4)TRIAZIN-4(1H)-ONE, 2-(2-ETHOXYPHENYL)-5-METHYL-7-PROPYL- | 1-Chloro-3-ethynylbenzene | 1-chloro-3-ethynyl-benzene | 3'-CHLOROPHENYL ACETYL
Specifications & Purity
≥97%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Pubchem Sid504756895
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504756895
Canonical SmilesC#CC1=CC(=CC=C1)Cl
IUPAC Name1-chloro-3-ethynylbenzene
InChIKeyGRBJPHPMYOUMJV-UHFFFAOYSA-N
INCHI1S/C8H5Cl/c1-2-7-4-3-5-8(9)6-7/h1,3-6H
Isomeric SMILES C#CC1=CC(=CC=C1)Cl
WGK Germany 3
Molecular Weight 136.58
Reaxy-Rn 2040366
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2040366&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassHalobenzenes
Intermediate Tree Nodes Not available
Direct ParentChlorobenzenes
Alternative Parents Aryl chlorides  Acetylides  Organochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Chlorobenzene - Aryl halide - Aryl chloride - Acetylide - Hydrocarbon derivative - Organochloride - Organohalogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as chlorobenzenes. These are compounds containing one or more chlorine atoms attached to a benzene moiety.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

5 results found

Lot NumberCertificate TypeDateItem
E1624031Certificate of AnalysisJul 15, 2025 C110226
I2107272Certificate of AnalysisJun 08, 2023 C110226
I2107284Certificate of AnalysisJun 08, 2023 C110226
I2107337Certificate of AnalysisJun 08, 2023 C110226
K1928065Certificate of AnalysisJun 06, 2023 C110226
Chemical and Physical Properties
Sensitivityair sensitive
Refractive Index1.564
Flash Point(°F)143.6 °F
Flash Point(°C)63 °C
Boil Point(°C)178-179°C
Molecular Weight136.580 g/mol
XLogP33.200
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count1
Exact Mass136.008 Da
Monoisotopic Mass136.008 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count9
Formal Charge0
Complexity131.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Qingxia Zhu, Xiaowen Lu, Siqi Ji, Honghong Li, Jun Wang, Zhijun Li.  (2021)  Fully exposed cobalt nanoclusters anchored on nitrogen-doped carbon synthesized by a host-guest strategy for semi-hydrogenation of phenylacetylene.  JOURNAL OF CATALYSIS,      [PMID:] [10.1016/j.jcat.2021.11.021]
2. Minkang Li, Lina Zhang, Zhongzheng Zhang, Jialin Shi, Yuefeng Liu, Jiansong Chen, Nannan Sun, Wei Wei.  (2021)  SiO2-Coated Ag Nanoparticles for Conversion of Terminal Alkynes to Propolic Acids via CO2 Insertion.  ACS Applied Nano Materials,      [PMID:] [10.1021/acsanm.1c01101]
3. Jialin Shi, Lina Zhang, Nannan Sun, Deng Hu, Qun Shen, Fang Mao, Qiang Gao, Wei Wei.  (2019)  Facile and Rapid Preparation of Ag@ZIF-8 for Carboxylation of Terminal Alkynes with CO2 in Mild Conditions.  ACS Applied Materials & Interfaces,      [PMID:31313900] [10.1021/acsami.9b07991]
4. Cheng Yuan, Qiqi Wu, Ke-Xin Xu, Xing-Shi Liu, Hao Lou, Yi-Tong Xu, Zheng Li, Yuanyuan Meng, Tan Li, Rui Ban, Guangxu Chen, Wei-Wei Zhao.  (2024)  Metal-organic polymer enables efficient organic photoelectrochemical transistor biosensing.  BIOSENSORS & BIOELECTRONICS,      [PMID:38688230] [10.1016/j.bios.2024.116346]
Solution Calculators
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