2,4-Difluorobenzenesulfonyl chloride - ≥98%(GC) , CAS No.13918-92-8

CAS: 13918-92-8 Cat. No.: D138204 Molecular Weight: 212.6 EC Number: 629-141-1
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(GC)
Synonyms
2,4-Difluorobenzene-1-Sulfonyl Chloride | J-507209 | 2,4-bis(fluoranyl)benzenesulfonyl chloride | 2,4-difluoro benzene sulfonyl chloride | 2,4-Difluorobenzene-1-SulfonylChloride | 2,4-DIFLUOROBENZENESULPHONYLCHLORIDE | 2,4-difluoro benzenesulfonyl chlorid
Storage
Argon charged,Room temperature
Shipped In
Normal
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Size
Status
Price
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1g
D138204-1g
3
$9.90
5g
D138204-5g
1
$10.90
10g
D138204-10g
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$11.90

$17.90
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25g
D138204-25g
2

$22.90

$34.90
Save $12.00 (34.38%)
100g
D138204-100g
2

$73.90

$110.90
Save $37.00 (33.36%)
500g
D138204-500g
2

$274.90

$412.90
Save $138.00 (33.42%)
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Why this grade

≥98%(GC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

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

Overview

Product introduction

2,4-Difluorobenzenesulfonyl chloride is an aryl sulfonyl chloride derivative.


Application

2,4-Difluorobenzenesulfonyl chloride may be used in the preparation of 2,4-difluoro-N,N-dimethylbenzenesulfonamide, a precursor for poly(aryl ether sulfonamide)s.

It may be used in the preparation of the following benzenesulfonamide quinoline derivatives with potent anti-HIV-1 (human immunodeficiency virus type 1) activity:

2,4-difluoro-N-methyl-N-(quinolin-8-yl)benzenesulfonamide

N-ethyl-2,4-difluoro-N-(quinolin-8-yl)benzenesulfonamide

2,4-difluoro-N-(quinolin-8-yl)benzenesulfonamide

Specifications

Synonyms
2, 4-Difluorobenzene-1-Sulfonyl Chloride | J-507209 | 2, 4-bis(fluoranyl)benzenesulfonyl chloride | 2, 4-difluoro benzene sulfonyl chloride | 2, 4-Difluorobenzene-1-SulfonylChloride | 2, 4-DIFLUOROBENZENESULPHONYLCHLORIDE | 2, 4-difluoro benzenesulfonyl chlorid
Specifications & Purity
≥98%(GC)
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥98%(GC)
Names and Identifiers
Pubchem Sid504761099
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504761099
Canonical SmilesC1=CC(=C(C=C1F)F)S(=O)(=O)Cl
IUPAC Name2,4-difluorobenzenesulfonyl chloride
InChIKeyFJSAJUXIHJIAMD-UHFFFAOYSA-N
INCHI1S/C6H3ClF2O2S/c7-12(10,11)6-2-1-4(8)3-5(6)9/h1-3H
Isomeric SMILES C1=CC(=C(C=C1F)F)S(=O)(=O)Cl
WGK Germany 3
Molecular Weight 212.6
Reaxy-Rn 2970373
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2970373&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.

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📊 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
SubclassBenzenesulfonyl compounds
Intermediate Tree Nodes Benzenesulfonyl halides
Direct ParentBenzenesulfonyl chlorides
Alternative Parents Fluorobenzenes  Aryl fluorides  Sulfonyls  Sulfonyl chlorides  Organosulfonic acids and derivatives  Organofluorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzenesulfonyl chloride - Fluorobenzene - Halobenzene - Aryl fluoride - Aryl halide - Sulfonyl - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Sulfonyl chloride - Sulfonyl halide - Organofluoride - Organohalogen compound - Organosulfur compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzenesulfonyl chlorides. These are aromatic compounds containing a benzenesulfonyl group, where the sulfonyl moiety is singly boned to a chloride atom.
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.

9 results found

Lot NumberCertificate TypeDateItem
G2418394Certificate of AnalysisMay 08, 2026 D138204
G2418395Certificate of AnalysisMay 08, 2026 D138204
G2418397Certificate of AnalysisMay 08, 2026 D138204
H2206624Certificate of AnalysisFeb 04, 2026 D138204
H2206625Certificate of AnalysisFeb 04, 2026 D138204
H2206626Certificate of AnalysisFeb 04, 2026 D138204
H2206739Certificate of AnalysisFeb 04, 2026 D138204
K2518147Certificate of AnalysisDec 01, 2025 D138204
G1614035Certificate of AnalysisOct 21, 2025 D138204
Chemical and Physical Properties
SensitivityMoisture Sensitive
Refractive Index1.52
Flash Point(°F)230 °F
Flash Point(°C)110 °C
Boil Point(°C)84 °C/3 mmHg
Molecular Weight212.600 g/mol
XLogP32.100
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass211.951 Da
Monoisotopic Mass211.951 Da
Topological Polar Surface Area42.500 Ų
Heavy Atom Count12
Formal Charge0
Complexity249.000
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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