4-Ethynyltriphenylamine - ≥95% , CAS No.205877-26-5

CAS: 205877-26-5 Cat. No.: E156043 Molecular Weight: 269.35 EC Number: 805-828-3
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
N-(4-ethynylphenyl)-N,N-diphenylamine | 4-ethynyl-N,N-diphenylbenzenamine | AKOS015964383 | E10319 | EN300-7423019 | YSCH0195 | SCHEMBL2433973 | 4-Ethynyltriphenylamine | MFCD09030769 | AS-46703 | SY054745 | A18427 | E0894 | DTXSID50609087 | Benzenamine,
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
E156043-250mg
4
$12.90
1g
E156043-1g
3
$33.90
5g
E156043-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$115.90
25g
E156043-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$499.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
N-(4-ethynylphenyl)-N, N-diphenylamine | 4-ethynyl-N, N-diphenylbenzenamine | AKOS015964383 | E10319 | EN300-7423019 | YSCH0195 | SCHEMBL2433973 | 4-Ethynyltriphenylamine | MFCD09030769 | AS-46703 | SY054745 | A18427 | E0894 | DTXSID50609087 | Benzenamine,
Specifications & Purity
≥95%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid488199810
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488199810
Canonical SmilesC#CC1=CC=C(C=C1)N(C2=CC=CC=C2)C3=CC=CC=C3
IUPAC Name4-ethynyl-N,N-diphenylaniline
InChIKeyQDYFCLVSLUZDHB-UHFFFAOYSA-N
INCHI1S/C20H15N/c1-2-17-13-15-20(16-14-17)21(18-9-5-3-6-10-18)19-11-7-4-8-12-19/h1,3-16H
Isomeric SMILES C#CC1=CC=C(C=C1)N(C2=CC=CC=C2)C3=CC=CC=C3
Molecular Weight 269.35
Reaxy-Rn 9487700
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=9487700&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
SuperclassOrganic nitrogen compounds
ClassOrganonitrogen compounds
SubclassAmines
Intermediate Tree Nodes Tertiary amines
Direct ParentTriarylamines
Alternative Parents Aniline and substituted anilines  Acetylides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Tertiary aromatic amine - Aniline or substituted anilines - Benzenoid - Monocyclic benzene moiety - Acetylide - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as triarylamines. These are organic compounds containing a trialkylamine group, characterized by exactly three aryl groups bonded to the amino nitrogen.
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.

10 results found

Lot NumberCertificate TypeDateItem
F2616343Certificate of AnalysisJun 04, 2026 E156043
F2616345Certificate of AnalysisJun 04, 2026 E156043
F2616348Certificate of AnalysisJun 04, 2026 E156043
F2616349Certificate of AnalysisJun 04, 2026 E156043
F2616344Certificate of AnalysisJun 18, 2024 E156043
F2616347Certificate of AnalysisJun 18, 2024 E156043
C2309892Certificate of AnalysisDec 27, 2022 E156043
C2310035Certificate of AnalysisDec 27, 2022 E156043
C2310036Certificate of AnalysisDec 27, 2022 E156043
C2310090Certificate of AnalysisDec 27, 2022 E156043
Chemical and Physical Properties
Melt Point(°C)111 °C
Molecular Weight269.300 g/mol
XLogP36.000
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count4
Exact Mass269.12 Da
Monoisotopic Mass269.12 Da
Topological Polar Surface Area3.200 Ų
Heavy Atom Count21
Formal Charge0
Complexity327.000
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
Solution Calculators
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