{"product_id":"500ml-erlenmeyer-flask-screw-cap-borosilicate-glass-8420500","title":"500 mL Erlenmeyer Flask Screw Cap Borosilicate Glass | Globe Scientific 8420500","description":"\u003cp\u003eSealed with a GL45 cap and PTFE liner for leak-resistant storage, this \u003cstrong\u003e500 mL Erlenmeyer Flask Screw Cap Borosilicate Glass\u003c\/strong\u003e from Globe Scientific eliminates evaporation losses during prolonged incubation and transport.\u003c\/p\u003e\n\u003cp\u003eFor laboratories running shaking incubators or transporting solutions between facilities, the Globe Scientific 8420500 delivers 500 mL capacity with a threaded closure that replaces traditional stoppers and parafilm.\u003c\/p\u003e\n\u003cp\u003eManufactured from ASTM E438, Type I, Class A, 3.3 borosilicate glass, this screw cap flask provides the chemical resistance and thermal stability required for cell culture, media preparation, and reagent storage workflows.\u003c\/p\u003e\n\u003ch2\u003eErlenmeyer Flask Screw Cap Borosilicate Glass Features and Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest For:\u003c\/strong\u003e Mixing, heating, titration, cell culture, and solution preparation in research, clinical, and educational laboratories\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ASTM E1404, Type I, Class 1 — verified dimensional and volumetric compliance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e -180°C to 500°C — autoclavable at 121°C for sterilization between uses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass Type:\u003c\/strong\u003e ASTM E438, Type I, Class A, 3.3 borosilicate glass — resists thermal shock and chemical attack from acids, alkalis, and solvents\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGraduations:\u003c\/strong\u003e Dual white enamel metric scale graduations — permanent markings that remain legible after repeated autoclaving cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Design:\u003c\/strong\u003e Reinforced beaded rim reduces chipping risk and extends service life in high-throughput environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAvailable Sizes and Pack Quantities\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;border:1px solid #ddd;margin:1em 0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eSKU\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eVolume\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eMouth Type\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003ePack Size\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eASTM Standard\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e8420500\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e500 mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eGL45 Screw Cap\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBox of 6\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eASTM E1404\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePreparing and storing chemical solutions, buffers, and reagents in analytical chemistry workflows\u003c\/li\u003e\n\u003cli\u003ePerforming titration experiments where the conical shape minimizes splashing during endpoint detection\u003c\/li\u003e\n\u003cli\u003eCulturing bacteria, yeast, and mammalian cells on orbital shakers in microbiology and biotech laboratories\u003c\/li\u003e\n\u003cli\u003eHeating and evaporating solvents on hot plates or over open flames with uniform heat distribution\u003c\/li\u003e\n\u003cli\u003eMixing and dissolving solid reagents into liquid media for sample preparation and quality control testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality Assurance and Compliance\u003c\/h2\u003e\n\u003cp\u003eGlobe Scientific manufactures Globe Glass laboratory glassware under ISO 9001:2015 certified quality systems with in-house calibration performed in an ISO 17025 certified laboratory. Each 500 mL flask is produced on computer-controlled automated lines that ensure consistent wall thickness, flat bottoms free of striations, and precise rim forming. Permanent white enamel markings meet ASTM compliance requirements for graduation accuracy.\u003c\/p\u003e\n\u003cp\u003eGlassGuard packaging — a heavy-duty, multi-layered corrugated container system — protects every shipment from damage during transit. Each box undergoes testing protocols that simulate the rigors of small parcel shipping environments.\u003c\/p\u003e\n\u003ch2\u003eErlenmeyer Flask Comparison: Why Choose Globe Scientific?\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;border:1px solid #ddd;margin:1em 0\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eGlobe Scientific 8420500\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eTypical Competitor\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eGlass Type\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eASTM E438, Type I, Class A, 3.3 Borosilicate\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBorosilicate (grade often unlisted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eASTM Standard\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eASTM E1404\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eOften unlisted or unverified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003ePricing\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBelow retail pricing\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eFull retail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eShips From\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eUSA inventory\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eVaries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eAuthorized Dealer\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eYes — LabSupplies.com\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eOften third-party reseller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eVolume Discounts and Institutional Pricing\u003c\/h2\u003e\n\u003cp\u003eLabSupplies.com offers tiered quantity pricing for academic and research institutions. As an authorized dealer, we ship directly from USA inventory.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is a 500 mL Erlenmeyer flask used for?\u003c\/h3\u003e\n\u003cp\u003eA 500 mL Erlenmeyer flask is used for mixing, heating, and storing chemical solutions in laboratory settings. The conical shape reduces splashing during swirling and allows attachment of stoppers or caps for sealed reactions. Researchers in chemistry, biology, and pharmaceutical labs rely on this size for titrations, media preparation, and cell culture work.\u003c\/p\u003e\n\u003ch3\u003eCan borosilicate Erlenmeyer flasks be autoclaved?\u003c\/h3\u003e\n\u003cp\u003eYes, Globe Scientific borosilicate glass Erlenmeyer flasks can be autoclaved at 121°C and 15 psi. The 3.3 borosilicate composition withstands repeated thermal cycling between -180°C and 500°C without cracking.\u003c\/p\u003e\n\u003ch3\u003eWhat sizes of Erlenmeyer flasks does LabSupplies.com carry?\u003c\/h3\u003e\n\u003cp\u003eLabSupplies.com stocks Globe Scientific Erlenmeyer flasks in 25 mL, 50 mL, 125 mL, 250 mL, 300 mL, 500 mL, 1000 mL, and 2000 mL sizes. Narrow mouth, wide mouth, screw cap, and heavy duty configurations are available.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"500 mL GL45 Screw Cap Erlenmeyer Flask Borosilicate Glass | Globe Scientific 8420500\",\"description\":\"500 mL GL45 Screw Cap Erlenmeyer flask in 3.3 borosilicate glass. Meets ASTM E1404. Globe Scientific 8420500.\",\"sku\":\"8420500\",\"mpn\":\"8420500\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Globe Scientific\"},\"manufacturer\":{\"@type\":\"Organization\",\"name\":\"Globe Scientific\"},\"offers\":{\"@type\":\"Offer\",\"url\":\"https:\/\/labsupplies.com\/products\/500ml-erlenmeyer-flask-screw-cap-borosilicate-glass-8420500\",\"priceCurrency\":\"USD\",\"price\":\"312.40\",\"availability\":\"https:\/\/schema.org\/InStock\",\"seller\":{\"@type\":\"Organization\",\"name\":\"LabSupplies.com\"}},\"material\":\"Borosilicate Glass 3.3\"}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is a 500 mL Erlenmeyer flask used for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 500 mL Erlenmeyer flask is used for mixing, heating, and storing chemical solutions in laboratory settings. 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