Description

2-Fluoroethyl p-Toluenesulfonate (CAS: 383-50-6) is a highly specialized organofluorine compound with the molecular formula C₉H₁₁FO₃S. This tosylate derivative is widely utilized in organic synthesis, particularly as an alkylating agent in the preparation of fluorinated intermediates for pharmaceuticals, agrochemicals, and advanced materials. The compound features a reactive 2-fluoroethyl group, making it invaluable for introducing fluorine-containing moieties into target molecules with high precision. Its robust stability and compatibility with various reaction conditions ensure reliable performance in nucleophilic substitution and cross-coupling reactions.

Purity levels of ≥98% are typically available, with options for custom synthesis to meet specific research or industrial requirements. Proper handling under inert conditions is recommended due to its moisture sensitivity. Suitable for use in academic, pharmaceutical, and industrial R&D laboratories, this reagent is supplied in sealed containers to maintain integrity.

Properties

• CAS Number: 383-50-6
• Complexity: 250
• IUPAC Name: 2-fluoroethyl 4-methylbenzenesulfonate
• InChI: InChI=1S/C9H11FO3S/c1-8-2-4-9(5-3-8)14(11,12)13-7-6-10/h2-5H,6-7H2,1H3
• InChI Key: XNRDLSNSMTUXBV-UHFFFAOYSA-N
• Exact Mass: 218.04129354
• Molecular Formula: C9H11FO3S
• Molecular Weight: 218.25
• SMILES: CC1=CC=C(C=C1)S(=O)(=O)OCCF
• Topological: 51.8
• Monoisotopic Mass: 218.04129354
• Synonyms: 2-fluoroethyl p-toluenesulfonate, 834-543-7, 2-fluoroethyl 4-methylbenzenesulfonate, 383-50-6, 2-Fluoroethyl tosylate, 2-Fluoroethyltosylate, p-Toluenesulfonic acid 2-fluoroethyl ester, Toluene-4-sulfonic acid 2-fluoroethyl ester, MFCD01658061, Toluene-4-sulfonic acid 2-fluoro-ethyl ester, 4-methylbenzenesulfonic acid 2-fluoroethyl ester, 2-Fluoroethyl p-toluenesulphonate, FLUOROETHYL P-TOSYLATE, C9H11FO3S, ETHANOL,2-FLUORO-,1-(4-METHYLBENZENESULFONATE), 2-FLUOROETHANOL TOSYLATE, fluoroethyltosylate, fluoroethyl tosylate, 2-fluoroethyltosylat, 2-Fluoroethyl4-methylbenzenesulfonate, 2-Fluoroethyl-4-methylbenzenesulfonate, p-Toluenesulfonic acid, 2-fluoroethyl ester, 2-FLUOROETHYL 4-METHYLBENZENE-1-SULFONATE, SCHEMBL71840, 1-Fluoro-2-(tosyloxy)ethane, 2-fluoroethyl-p-toluenesulfonate, NIOSH/DB7151320, 2-Fluoroethyl-p-toluenesulphonate, DTXSID80292385, XNRDLSNSMTUXBV-UHFFFAOYSA-N, 2-fluoro-ethyl toluene-4-sulfonate, NSC82210, NSC-82210, AKOS015890032, 1-fluoro-2-paratoluenesulfonyloxyethane, 2-fluoro-1-paratoluenesulfonyloxyethane, CS-W006246, FF29461, 2-fluoranylethyl 4-methylbenzenesulfonate, DS-15812, SY113414, DB-027476, DB71513200, F1056, 1-(4-methylphenylsulfonyloxy)-2-fluoroethane, EN300-7043725, A824117, Benzenesulfonic acid, 4-methyl-, 2-fluoroethyl ester, InChI=1/C9H11FO3S/c1-8-2-4-9(5-3-8)14(11,12)13-7-6-10/h2-5H,6-7H2,1H

2-Fluoroethyl p-Toluenesulfonate is primarily employed as a fluorinated alkylating agent in medicinal chemistry for synthesizing bioactive molecules. It serves as a key intermediate in the development of radiopharmaceuticals and PET tracers due to its fluorine-18 incorporation potential. Researchers also leverage its reactivity in material science for modifying polymer backbones with fluorinated side chains. Strict adherence to safety protocols is essential when handling this compound.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

• P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364

Hazard Classes and Categories

• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)

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