4-Ethynylpyridinehychloride salt - ≥97% , CAS No.352530-29-1

CAS: 352530-29-1 Cat. No.: E115761 Molecular Weight: 139.58 EC Number: 627-680-7
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
KFBZWZGIZHLUBX-UHFFFAOYSA-N | DTXSID50584183 | J-515313 | 4-Ethynylpyridine hydrochloride | 4-Ethynyl-Pyridine Hydrochloride | 4-Ethynylpyridine hydrochloride, solid, 97% | 4-Pyridylacetylene Hydrochloride | E1043 | SCHEMBL1190733 | AC-7563 | MFCD03093912
Storage
Protected from light,Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
E115761-1g
3

$12.90

$19.90
Save $7.00 (35.18%)
5g
E115761-5g
3

$48.90

$73.90
Save $25.00 (33.83%)
25g
E115761-25g
3

$149.90

$224.90
Save $75.00 (33.35%)
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🧪

Why this grade

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

🌡

Storage & shipping

Protected from light,Argon charged,Room temperature Ships Normal 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
KFBZWZGIZHLUBX-UHFFFAOYSA-N | DTXSID50584183 | J-515313 | 4-Ethynylpyridine hydrochloride | 4-Ethynyl-Pyridine Hydrochloride | 4-Ethynylpyridine hydrochloride, solid, 97% | 4-Pyridylacetylene Hydrochloride | E1043 | SCHEMBL1190733 | AC-7563 | MFCD03093912
Specifications & Purity
≥97%
Storage
Protected from light, Argon charged, Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid504768247
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504768247
Canonical SmilesC#CC1=CC=NC=C1.Cl
IUPAC Name4-ethynylpyridine;hydrochloride
InChIKeyKFBZWZGIZHLUBX-UHFFFAOYSA-N
INCHI1S/C7H5N.ClH/c1-2-7-3-5-8-6-4-7;/h1,3-6H;1H
Isomeric SMILES C#CC1=CC=NC=C1.Cl
WGK Germany 3
Molecular Weight 139.58
Reaxy-Rn 9495327
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=9495327&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
SuperclassOrganoheterocyclic compounds
ClassPyridines and derivatives
SubclassPyridinium derivatives
Intermediate Tree Nodes Not available
Direct ParentPyridinium derivatives
Alternative Parents Heteroaromatic compounds  Azacyclic compounds  Acetylides  Organonitrogen compounds  Organic chloride salts  Hydrocarbon derivatives  Organic cations  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Pyridinium - Heteroaromatic compound - Acetylide - Azacycle - Organic nitrogen compound - Hydrocarbon derivative - Organic chloride salt - Organic salt - Organonitrogen compound - Organic cation - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyridinium derivatives. These are compounds containing a pyridinium ring, which is the cationic form of pyridine.
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.

6 results found

Lot NumberCertificate TypeDateItem
I2201345Certificate of AnalysisMar 10, 2026 E115761
I2201346Certificate of AnalysisMar 10, 2026 E115761
A2627017Certificate of AnalysisFeb 26, 2026 E115761
I1423105Certificate of AnalysisOct 29, 2025 E115761
G1417057Certificate of AnalysisOct 21, 2025 E115761
L2418382Certificate of AnalysisDec 28, 2024 E115761
Chemical and Physical Properties
SensitivityLight Sensitive
Melt Point(°C)150°C
Molecular Weight139.580 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count1
Exact Mass139.019 Da
Monoisotopic Mass139.019 Da
Topological Polar Surface Area12.900 Ų
Heavy Atom Count9
Formal Charge0
Complexity103.000
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 Count2
Solution Calculators
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