Description

2,2-Difluoro-2-(fluorosulfonyl)acetic acid (CAS No. 1717-59-5) is a highly specialized fluorinated sulfonyl compound with the molecular formula C₂HF₃O₄S. This chemical is characterized by its unique difluoroacetic acid backbone coupled with a reactive fluorosulfonyl group, making it a valuable intermediate in advanced synthetic chemistry and materials science. With a purity grade suitable for research and industrial applications, this compound is rigorously tested to ensure consistency and performance. Ideal for use in electrophilic fluorination, polymer modification, and as a precursor for sulfonyl-based reagents, it is supplied in high-quality packaging to maintain stability and integrity. Store in a cool, dry place under inert conditions to preserve its reactivity.

Properties

• CAS Number: 1717-59-5
• Complexity: 236
• IUPAC Name: 2,2-difluoro-2-fluorosulfonyl-acetic acid
• InChI: InChI=1S/C2HF3O4S/c3-2(4,1(6)7)10(5,8)9/h(H,6,7)
• InChI Key: VYDQUABHDFWIIX-UHFFFAOYSA-N
• Exact Mass: 177.95476417
• Molecular Formula: C2HF3O4S
• Molecular Weight: 178.09
• SMILES: C(=O)(C(F)(F)S(=O)(=O)F)O
• Topological: 79.8
• Monoisotopic Mass: 177.95476417
• Synonyms: 1717-59-5, 2,2-Difluoro-2-(fluorosulfonyl)acetic acid, DTXSID10372104, DTXCID70323137, 629-236-8, 2-(fluorosulfonyl)difluoroacetic acid, 2-(fluorosulphonyl)difluoroacetic acid, 2,2-difluoro-2-fluorosulfonylacetic acid, difluoro(fluorosulfonyl)acetic acid, fluorosulfonyldifluoroacetic acid, MFCD01320807, 2-Fluorosulfonyldifluoroacetic acid, Acetic acid, difluoro(fluorosulfonyl)-, C2HF3O4S, 2,2-difluoro-2-fluorosulfonyl-acetic Acid, (FLUOROSULFONYL)DIFLUOROACETIC ACID, FSO2CF2CO2H, SCHEMBL28373, fluorosulfonyl difluoroacetic acid, difluoro-fluorosulfonyl-acetic acid, BCP21150, CS-D1716, difluoro(fluorosulphonyl)acetic acid, BBL103893, SBB066565, STL557703, AKOS005063383, AB09011, 2,2-difluoro-2-fluorosulfonyl-aceticacid, AS-11417, 2,2-difluoro-2 (fluorosulfonyl)acetic acid, DB-001187, 2,2-difluoro-2-(fluorosulphonyl)acetic acid, F0500, 2,2-difluoro-2-(fluoro-sulfonyl)acetic acid, 2,2-Difluoro-2-(fluorosulfonyl) acetic acid, EN300-55379, P17348, 2,2-Difluoro-2-(fluorosulfonyl)acetic acid, 97%, F0001-2847

Application

2,2-Difluoro-2-(fluorosulfonyl)acetic acid is primarily used as a key intermediate in the synthesis of fluorinated organic compounds and sulfonyl derivatives. Its reactive fluorosulfonyl group enables applications in electrophilic fluorination reactions, which are critical in pharmaceutical and agrochemical research. Additionally, this compound serves as a precursor for advanced polymer modification and electrolyte additives in lithium-ion batteries. Researchers also utilize it in the development of novel surfactants and specialty chemicals due to its unique structural properties.

Safety and Hazards

GHS Hazard Statements

• H300 (86.3%): Fatal if swallowed [Danger Acute toxicity, oral]
• H310 (86.3%): Fatal in contact with skin [Danger Acute toxicity, dermal]
• H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

Precautionary Statements

• P260, P262, P264, P270, P280, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P330, P361+P364, P363, P405, and P501

Hazard Classes and Categories

• Acute Tox. 1 (86.3%)
• Acute Tox. 1 (86.3%)
• Skin Corr. 1A (100%)

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