{"product_id":"cbesep","title":"EP (Ethyl Propionate, \u003e99.95%, Anhydrous) Liquid as Battery Electrolyte Solvent, 200 g\/bottle, CBESEP","description":"\u003cp\u003eEthyl propionate (EP) is a low-viscosity, low-melting-point carboxylate ester widely utilized as a co-solvent in wide-temperature, fast-charging, and abuse-tolerant non-aqueous electrolytes.\u003c\/p\u003e\n\u003cp\u003eThe main physical features of the EP solvent are: (1) \u003cstrong\u003eMelting and Boiling Points\u003c\/strong\u003e: EP features a melting point of -73.9°C and a higher boiling point of 99°C (compared to ethyl acetate's 77°C), offering a more favorable volatility and flash-point safety profile. (2) \u003cstrong\u003eViscosity\u003c\/strong\u003e: Exhibits a low bulk viscosity (~ 0.55 cP at room temperature), maintaining fluid dynamics and rapid Li+ solvation sheath reorganization at sub-zero temperatures. (3) \u003cstrong\u003eDielectric Constant\u003c\/strong\u003e: Possesses a modest relative permittivity (~ 6.0), requiring high-permittivity cyclic carbonates (e.g., EC) or elevated salt concentrations to ensure effective lithium salt dissociation.\u003c\/p\u003e\n\u003cp\u003eThe critical advantages in battery electrolytes are: (1) \u003cstrong\u003eWide-Temperature Operation\u003c\/strong\u003e: EP-containing electrolyte blends retain high ionic conductivity and reversible capacity across extreme thermal ranges, frequently deployed in environments down to -40°C and below. (2) \u003cstrong\u003eEnhanced Thermal \u0026amp; Volatility Safety\u003c\/strong\u003e: Its higher boiling point and reduced vapor pressure relative to shorter-chain esters (like methyl acetate or ethyl acetate) mitigate gassing and thermal runaway risks under high-rate abuse. (3) \u003cstrong\u003eSuperior Rate Capability\u003c\/strong\u003e: Low viscosity and rapid ion diffusion kinetics support high continuous C-rates and fast-charging protocols.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 178.6px;\" width=\"100%\"\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\u003eCBESEP (C-BES-EP)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.6331%;\"\u003e\u003cem\u003eCAS\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%;\"\u003e\n\u003cp\u003e\u003cspan\u003e105-37-3\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\u003cem\u003eChemical Formula\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 35.6px;\"\u003e\n\u003cp\u003e\u003cspan\u003eCH\u003c\/span\u003e\u003csub\u003e3\u003c\/sub\u003e\u003cspan\u003eCH\u003c\/span\u003e\u003csub\u003e2\u003c\/sub\u003e\u003cspan\u003eCOOC\u003c\/span\u003e\u003csub\u003e2\u003c\/sub\u003e\u003cspan\u003eH\u003c\/span\u003e\u003csub\u003e5\u003c\/sub\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CBESEP_structure_100x100.jpg?v=1789442923\" 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;99.95% (Battery Grade)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWater level: \u0026lt;50 ppm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAcid level: \u0026lt;50 ppm\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\u003e102.13 g\/mol\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.6331%;\"\u003e\u003cem\u003eBoiling Point\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%;\"\u003e\u003cspan\u003e99 °C (lit.)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 16.6px;\"\u003e\n\u003ctd style=\"width: 33.6331%; height: 16.6px;\"\u003e\u003cem\u003ePackage Size\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0072%; height: 16.6px;\"\u003e\u003cspan\u003e200 g\/bottle (500 g, and 1 kg, and even large grade can also be supplied with better price)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e: Please store the EP liquid in a dry place (glovebox is the best option).\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:\/\/iopscience.iop.org\/article\/10.1149\/1.1453407\/meta\"\u003e\u003cspan\u003eM. C. Smart, et al. Use of Organic Esters as Cosolvents in Electrolytes for Lithium-Ion Batteries with Improved Low Temperature Performance, J. Electrochem. Soc., 2002, 149, A361.\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/iopscience.iop.org\/article\/10.1149\/1.2938912\/meta\"\u003e\u003cspan\u003eM. C. Smart, et al. Li-Ion Electrolytes Containing Ester Co-Solvents for Wide Operating Temperature Range, ECS Trans., 2008, 11, 99\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"DDDC","offers":[{"title":"Default Title","offer_id":48367737864422,"sku":"CBESEAP","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/CBESEP_main.jpg?v=1789442853","url":"https:\/\/echemsupplies.com\/products\/cbesep","provider":"EChem Supplies","version":"1.0","type":"link"}