4-Ethynylphenylacetonitrile - ≥95% , CAS No.351002-90-9

CAS: 351002-90-9 Cat. No.: E138707 Molecular Weight: 141.17 EC Number: 624-199-4
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
DS-13894 | MFCD05664204 | (4-ethynylphenyl)acetonitrile | CZUBOLAETAAHLA-UHFFFAOYSA-N | 4-Ethynylbenzeneacetonitrile | 4-Ethynyl-benzeneacetonitrile | SCHEMBL350733 | AKOS015836153 | J-019896 | Benzeneacetonitrile, 4-ethynyl- | 2-(4-ethynylphenyl)acetonit
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
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Size
Status
Price
Qty
200mg
E138707-200mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$9.90
1g
E138707-1g
2

$19.90

$29.90
Save $10.00 (33.44%)
5g
E138707-5g
2

$53.90

$92.90
Save $39.00 (41.98%)
25g
E138707-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$266.90

$439.90
Save $173.00 (39.33%)
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Why this grade

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

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Storage & shipping

Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
DS-13894 | MFCD05664204 | (4-ethynylphenyl)acetonitrile | CZUBOLAETAAHLA-UHFFFAOYSA-N | 4-Ethynylbenzeneacetonitrile | 4-Ethynyl-benzeneacetonitrile | SCHEMBL350733 | AKOS015836153 | J-019896 | Benzeneacetonitrile, 4-ethynyl- | 2-(4-ethynylphenyl)acetonit
Specifications & Purity
≥95%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Canonical SmilesC#CC1=CC=C(C=C1)CC#N
IUPAC Name2-(4-ethynylphenyl)acetonitrile
InChIKeyCZUBOLAETAAHLA-UHFFFAOYSA-N
INCHI1S/C10H7N/c1-2-9-3-5-10(6-4-9)7-8-11/h1,3-6H,7H2
Isomeric SMILES C#CC1=CC=C(C=C1)CC#N
Molecular Weight 141.17
Reaxy-Rn 7198299
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=7198299&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.

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🔬 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
SubclassBenzyl cyanides
Intermediate Tree Nodes Not available
Direct ParentBenzyl cyanides
Alternative Parents Nitriles  Acetylides  Organopnictogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzyl-cyanide - Acetylide - Nitrile - Carbonitrile - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzyl cyanides. These are organic compounds containing an acetonitrile with one hydrogen replaced by a phenyl group.
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.

4 results found

Lot NumberCertificate TypeDateItem
H2231025Certificate of AnalysisMar 11, 2026 E138707
H2208046Certificate of AnalysisFeb 05, 2026 E138707
K2427422Certificate of AnalysisApr 12, 2024 E138707
L1502091Certificate of AnalysisMay 12, 2023 E138707
Chemical and Physical Properties
SensitivityHeat sensitive.
Refractive Index1.5630
Flash Point(°F)230°F
Flash Point(°C)>110℃
Molecular Weight141.170 g/mol
XLogP31.800
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count2
Exact Mass141.058 Da
Monoisotopic Mass141.058 Da
Topological Polar Surface Area23.800 Ų
Heavy Atom Count11
Formal Charge0
Complexity204.000
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. Qian-yong Cao, Ruming Jiang, Meiying Liu, Qing Wan, Dazhuang Xu, Jianwen Tian, Hongye Huang, Yuanqing Wen, Xiaoyong Zhang, Yen Wei.  (2017)  Preparation of AIE-active fluorescent polymeric nanoparticles through a catalyst-free thiol-yne click reaction for bioimaging applications.  Materials Science & Engineering C-Materials for Biological Applications,      [PMID:28866182] [10.1016/j.msec.2017.06.008]
Solution Calculators
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