1-Ethynyl-2,4-difluorobenzene - ≥97% , CAS No.302912-34-1

CAS: 302912-34-1 Cat. No.: E156343 Formula: C8H4F2 Molecular Weight: 138.12 EC Number: 629-222-1
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
E1169 | 8FS | EN300-103707 | F8886-6515 | AKOS010651580 | 1-Ethynyl-2,4-difluorobenzene | 1-ethynyl-2,4-difluoro-benzene | 1ethynyl-2,4-difluorobenzene | A18602 | MFCD02093726 | J-017882 | 1-Ethynyl-2,4-difluorobenzene, 97% | T72256 | DTXSID40407953 | 1-e
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
★
Size
Germany (EU)
USA*
Price
Qty
250mg
E156343-250mg
—
2 In stock

€34.62

€51.98
Save €17.35 (33.39%)
1g
E156343-1g
—
1 In stock

€60.65

€91.03
Save €30.37 (33.37%)
5g
E156343-5g
—
1 In stock

€188.21

€282.80
Save €94.58 (33.45%)
Enter a quantity for the sizes you want to add.
🧪
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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

1-Ethynyl-2,4-difluorobenzene is an alkyne bearing fluoro group in the phenyl ring.


Application:

1-Ethynyl-2,4-difluorobenzene (CM) may be used to synthesize sulfonatedpoly(aryleneether)s containing CM and TFP [4-[Trifluorovinyl(oxy)]phenol].It may also be employed for the preparation of 4-(2,4-difluorophenylethynyl)-3-methyl-5-phenylisoxazole.

Specifications

Synonyms
E1169 | 8FS | EN300-103707 | F8886-6515 | AKOS010651580 | 1-Ethynyl-2,4-difluorobenzene | 1-ethynyl-2,4-difluoro-benzene | 1ethynyl-2,4-difluorobenzene | A18602 | MFCD02093726 | J-017882 | 1-Ethynyl-2,4-difluorobenzene, 97% | T72256 | DTXSID40407953 | 1-e
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 Sid
Canonical Smiles
C#CC1=C(C=C(C=C1)F)F
IUPAC Name
1-ethynyl-2,4-difluorobenzene
InChIKey
HRUJQXRGWQWYDH-UHFFFAOYSA-N
INCHI
1S/C8H4F2/c1-2-6-3-4-7(9)5-8(6)10/h1,3-5H
Isomeric SMILES
C#CC1=C(C=C(C=C1)F)F
WGK Germany
3
UN Number
1325
Packing Group
III
Molecular Weight
138.12
Reaxy-Rn
9900672
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=9900672&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 ParentFluorobenzenes
Alternative Parents Aryl fluorides  Acetylides  Organofluorides  Hydrofluorocarbons  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Fluorobenzene - Aryl halide - Aryl fluoride - Acetylide - Hydrofluorocarbon - Hydrocarbon derivative - Organofluoride - Organohalogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as fluorobenzenes. These are compounds containing one or more fluorine atoms attached to a benzene ring.
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
B23011005Certificate of AnalysisApr 18, 2023 E156343
F23011006Certificate of AnalysisApr 18, 2023 E156343
F23011025Certificate of AnalysisApr 18, 2023 E156343
F2301588Certificate of AnalysisApr 18, 2023 E156343
F2301592Certificate of AnalysisApr 18, 2023 E156343
F2302172Certificate of AnalysisApr 18, 2023 E156343
Chemical and Physical Properties
SensitivityAir Sensitive,Heat Sensitive
Flash Point(°F)91.4 °F
Flash Point(°C)33 °C
Boil Point(°C)50 °C/20 mmHg
Melt Point(°C)27 °C
Molecular Weight138.110 g/mol
XLogP32.400
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass138.028 Da
Monoisotopic Mass138.028 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count10
Formal Charge0
Complexity156.000
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
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.