Description

Bis(2,2,2-trifluoroethyl) sulfite (CAS No. 53749-89-6) is a high-purity fluorinated sulfite ester with the molecular formula C₄H₄F₆O₃S. This specialized chemical is designed for advanced research and industrial applications, offering exceptional stability and reactivity due to its trifluoroethyl groups. Ideal for use in organic synthesis, electrolyte formulations, and as a precursor in fluorochemical production. Available in rigorously controlled batches with ≥98% purity (GC), packaged under inert gas to ensure integrity. Suitable for researchers requiring precise fluorinated building blocks.

Properties

• CAS Number: 53749-89-6
• Complexity: 178
• IUPAC Name: bis(2,2,2-trifluoroethyl) sulfite
• InChI: InChI=1S/C4H4F6O3S/c5-3(6,7)1-12-14(11)13-2-4(8,9)10/h1-2H2
• InChI Key: HVNOLEGWKGMONA-UHFFFAOYSA-N
• Exact Mass: 245.97853413
• Molecular Formula: C4H4F6O3S
• Molecular Weight: 246.13
• SMILES: C(C(F)(F)F)OS(=O)OCC(F)(F)F
• Topological: 54.7
• Monoisotopic Mass: 245.97853413
• Synonyms: bis(2,2,2-trifluoroethyl) sulfite, 975-305-3, 53749-89-6, bis(2,2,2-trifluoroethyl)sulfite, NSC252924, SCHEMBL776840, DTXSID00312357, HVNOLEGWKGMONA-UHFFFAOYSA-N, di(2,2,2-trifluoroethyl) sulfite, DCA74989, MFCD28246477, NSC-252924, EN300-200572, G29042

Application

Bis(2,2,2-trifluoroethyl) sulfite serves as a key intermediate in the synthesis of fluorinated polymers and electrolytes for lithium-ion batteries. Its sulfite ester functionality enables use as a stabilizing agent in specialty chemical formulations. Researchers employ it to introduce trifluoroethyl groups in pharmaceutical and agrochemical development. Also investigated as a potential electrolyte additive for high-voltage battery systems.

Safety and Hazards

GHS Hazard Statements

• H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
• H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]
• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H318 (100%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P272, P280, P301+P316, P302+P352, P303+P361+P353, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P333+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

• Flam. Liq. 3 (100%)
• Acute Tox. 3 (100%)
• Skin Irrit. 2 (100%)
• Skin Sens. 1 (100%)
• Eye Dam. 1 (100%)
• STOT SE 3 (100%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.