2,2-Difluoroethenyl 4-methylbenzene-1-sulfonate - ≥95% , CAS No.185739-14-4

CAS: 185739-14-4 Cat. No.: D587819 Molecular Weight: 234.22 EC Number: 851-979-3
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
toluene-4-sulfonic acid 2, 2-difluorovinyl ester | Toluene-4-sulfonic acid 2,2-difluorovinyl ester | Toluene-4-sulfonic acid 2,2-difluoro-vinyl ester | 2,2-difluoroethenyl 4-methylbenzene-1-sulfonate | 2,2-difluorovinyl tosylate | A1-21944 | 2,2-difluoroe
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
D587819-100mg
3

$19.90

$29.90
Save $10.00 (33.44%)
250mg
D587819-250mg
3

$23.90

$35.90
Save $12.00 (33.43%)
1g
D587819-1g
3

$65.90

$98.90
Save $33.00 (33.37%)
5g
D587819-5g
1

$253.90

$380.90
Save $127.00 (33.34%)
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,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.

Specifications

Synonyms
toluene-4-sulfonic acid 2, 2-difluorovinyl ester | Toluene-4-sulfonic acid 2, 2-difluorovinyl ester | Toluene-4-sulfonic acid 2, 2-difluoro-vinyl ester | 2, 2-difluoroethenyl 4-methylbenzene-1-sulfonate | 2, 2-difluorovinyl tosylate | A1-21944 | 2, 2-difluoroe
Specifications & Purity
≥95%
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
≥95%
Names and Identifiers
Canonical SmilesCC1=CC=C(C=C1)S(=O)(=O)OC=C(F)F
IUPAC Name2,2-difluoroethenyl 4-methylbenzenesulfonate
InChIKeyZQLLPWMNXQYESO-UHFFFAOYSA-N
INCHI1S/C9H8F2O3S/c1-7-2-4-8(5-3-7)15(12,13)14-6-9(10)11/h2-6H,1H3
Isomeric SMILES CC1=CC=C(C=C1)S(=O)(=O)OC=C(F)F
Molecular Weight 234.22
Reaxy-Rn 7638656
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=7638656&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
SubclassBenzenesulfonic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentBenzenesulfonate esters
Alternative Parents p-Methylbenzenesulfonates  Tosyl compounds  Benzenesulfonyl compounds  Arylsulfonic acids and derivatives  Organosulfonic acid esters  Sulfonyls  Vinyl fluorides  Fluoroalkenes  Organooxygen compounds  Organofluorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzenesulfonate ester - P-methylbenzenesulfonate - Tosyl compound - Arylsulfonic acid or derivatives - Benzenesulfonyl group - Toluene - Organosulfonic acid ester - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Sulfonyl - Fluoroalkene - Haloalkene - Vinyl halide - Vinyl fluoride - Hydrocarbon derivative - Organic oxide - Organosulfur compound - Organooxygen compound - Organic oxygen compound - Organohalogen compound - Organofluoride - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzenesulfonate esters. These are arenesulfonate esters that result from the formal condensation of the hydroxy group of an alcohol, enol, phenol or heteroarenol with benzenesulfonic acid.
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
H2308484Certificate of AnalysisMay 20, 2026 D587819
H2308490Certificate of AnalysisMay 20, 2026 D587819
H2308495Certificate of AnalysisMay 20, 2026 D587819
H2308496Certificate of AnalysisMay 20, 2026 D587819
Chemical and Physical Properties
Molecular Weight234.220 g/mol
XLogP32.400
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count5
Rotatable Bond Count3
Exact Mass234.016 Da
Monoisotopic Mass234.016 Da
Topological Polar Surface Area51.800 Ų
Heavy Atom Count15
Formal Charge0
Complexity320.000
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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