{"product_id":"cbesabtfp","title":"BTFP (1,3-Bis(1,1,2,2-tetrafluoroethoxy)propane, FDE or HFE-698E, \u003e99.5%) as Battery Electrolyte Co-Solvent and Additive, 25-100 g\/bottle, CBESABTFP","description":"\u003cp\u003e1,3-Bis(1,1,2,2-tetrafluoroethoxy)propane (BTFP) (CAS 138845-14-4; also frequently designated in literature as HFE-698E or FDE) is a specialized, long-chain partially fluorinated ether widely utilized as an advanced electrolyte co-solvent, diluent, and additive in high-performance lithium-ion, lithium-sulfur, and metal-anode batteries.\u003c\/p\u003e\n\u003cp\u003eThe key benefits of BTFP are: (1) \u003cstrong\u003eEnhanced Thermal Stability \u0026amp; Volatility Control\u003c\/strong\u003e: Compared to shorter fluorinated ethers (like TTE\/HFE-458), BTFP’s substantially higher boiling point (~ 162 °C) and elevated flash point drastically reduce vapor pressure and flammability risks during high-temperature or thermal abuse testing. (2) \u003cstrong\u003eSuppression of the Polysulfide Shuttle\u003c\/strong\u003e: Highly valued in advanced lithium-sulfur (Li-S) configurations for locking polysulfides within the cathode matrix, maintaining high Coulombic efficiency over extended cycling. (3) \u003cstrong\u003eWide Thermal Operational Window\u003c\/strong\u003e: Promotes stable electrolyte performance across extreme temperature ranges—ranging from sub-zero environments to elevated operating temperatures (e.g., up to 100 °C in specialized thermal-stable cell designs).\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"width: 100%; height: 336.6px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 35.6px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003eCBESABTFP (C-BESA-BTFP)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 10px;\"\u003e\u003cem\u003eCAS\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 10px;\"\u003e\n\u003cp\u003e\u003cspan\u003e138845-14-4\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 161px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 161px;\"\u003e\u003cem\u003eChemical Formula\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 161px;\"\u003e\n\u003cp\u003eC₇H₈F₈O₂\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CBESABTFP_structure_160x160.jpg?v=1789718439\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 35.6px;\"\u003e\u003cem\u003eAppearance\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003eColorless Liquid\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 35.6px;\"\u003e\n\u003cstrong\u003e \u003c\/strong\u003e\u003cem\u003ePurity\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u0026gt;99.5% (Battery Grade)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 19.6px;\"\u003e\u003cem\u003eMolecular Weight\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 19.6px;\"\u003e\u003cspan\u003e276.12 g\/mol\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 19.6px;\"\u003e\u003cem\u003ePackage Size\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 19.6px;\"\u003e\u003cspan\u003e25 g, 50 g, and 100 g\/bottle\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e: Please store the BTFP in the glovebox due to its sensitivity to humidity and oxygen.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eReferences\u003c\/strong\u003e: \u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/pubs.rsc.org\/ee\/article\/17\/21\/8151\/848855\/Electrolyte-engineering-for-thermally-stable-Li-S\"\u003e\u003cspan\u003eD. Guo, et al. Electrolyte engineering for thermally stable Li–S batteries operating from –20 °C to 100 °C, Energy Environ. Sci. (2024) 17 (21): 8151–8161.\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003ca href=\"https:\/\/pubs.acs.org\/doi\/abs\/10.1021\/acsaem.2c04081\"\u003eP. Lin, et al. Progress and Prospect of Electrolyte Engineering Strategies for Wide-Temperature Lithium–Sulfur Batteries, Adv. Energy Mater. 2026, 16, e71233\u003c\/a\u003e \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"CHEMFISH","offers":[{"title":"25 g","offer_id":48391919632614,"sku":"CBESABTFP25","price":149.0,"currency_code":"USD","in_stock":true},{"title":"50 g","offer_id":48391919665382,"sku":"CBESABTFP50","price":269.0,"currency_code":"USD","in_stock":true},{"title":"100 g","offer_id":48391919698150,"sku":"CBESABTFP100","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CBESABTFP_main.jpg?v=1789718439","url":"https:\/\/echemsupplies.com\/products\/cbesabtfp","provider":"EChem Supplies","version":"1.0","type":"link"}