{"product_id":"globe-scientific-flask-globe-glass-4000ml-8434000","title":"Erlenmeyer Flasks, Narrow Mouth Borosilicate Glass, Heavy Duty ASTM E1406 — 1L–4L, 1\/Pack | Globe Scientific","description":"\u003ch2\u003eHeavy Duty Narrow Mouth Erlenmeyer Flasks, Borosilicate Glass, ASTM E1406, 1L–4L (Sold Each)\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGlobe Scientific Globe Glass Heavy Duty Erlenmeyer Flask\u003c\/strong\u003e delivers thick-wall borosilicate construction built for demanding bench work, including reagent mixing, titration, and bulk media preparation. Each narrow-mouth flask conforms to ASTM E1406 dimensional standards, minimizing splash and evaporation during swirling. Reinforced walls resist thermal and mechanical stress across repeated autoclave and heating cycles.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eNarrow Mouth Erlenmeyer Flask, Heavy Duty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003e1 L, 2 L, 4 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eType I Class A borosilicate glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eNarrow mouth, open (beaded rim)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduation\u003c\/td\u003e\n\u003ctd\u003eDurable white printed graduations and marking spot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eNon-sterile; autoclavable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eASTM E1406\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e1 per pack (sold each)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable Volumes\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e1000mL\u003c\/td\u003e\n\u003ctd\u003e8431000\u003c\/td\u003e\n\u003ctd\u003e$87.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2000mL\u003c\/td\u003e\n\u003ctd\u003e8432000\u003c\/td\u003e\n\u003ctd\u003e$156.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4000mL\u003c\/td\u003e\n\u003ctd\u003e8434000\u003c\/td\u003e\n\u003ctd\u003e$209.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBulk preparation of buffers, media, and stock reagent solutions\u003c\/li\u003e\n\u003cli\u003eAcid-base and redox titrations where swirling minimizes spillage\u003c\/li\u003e\n\u003cli\u003eMixing and dissolving solids into aqueous and solvent systems\u003c\/li\u003e\n\u003cli\u003eMicrobial culture media preparation and autoclave sterilization\u003c\/li\u003e\n\u003cli\u003eHeating solutions on hot plates and over open flame setups\u003c\/li\u003e\n\u003cli\u003eStorage and transport of prepared working solutions on the bench\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eAqueous buffers\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute acids\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute bases\u003c\/td\u003e\n\u003ctd\u003eGood (limited exposure; avoid hot concentrated alkali)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlcohols\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetonitrile\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic solvents\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated solvents\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003ePurchase from labsupplies.com, an authorized Globe Scientific dealer shipping from US inventory. Every unit ships with lot numbers that support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available — contact our procurement team for volume quotes and standing-order terms.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eAre these Erlenmeyer flasks autoclavable?\u003c\/h3\u003e\n\u003cp\u003eYes. The borosilicate glass withstands standard autoclave cycles at 121°C. Ensure the flask is uncapped or loosely vented to prevent pressure buildup during sterilization.\u003c\/p\u003e\n\u003ch3\u003eWhat does ASTM E1406 compliance mean for these flasks?\u003c\/h3\u003e\n\u003cp\u003eASTM E1406 specifies dimensional and capacity tolerances for laboratory Erlenmeyer flasks. Compliance ensures consistent geometry, fit with standard stoppers, and reliable volumetric accuracy across lots.\u003c\/p\u003e\n\u003ch3\u003eWhy choose narrow mouth over wide mouth for these volumes?\u003c\/h3\u003e\n\u003cp\u003eNarrow-mouth designs reduce evaporation and splashing during vigorous swirling, making them ideal for titrations and solvent mixing. The beaded rim also accepts standard stoppers and foam plugs.\u003c\/p\u003e\n\u003ch3\u003eWhat makes the heavy-duty version different from standard flasks?\u003c\/h3\u003e\n\u003cp\u003eHeavy-duty flasks feature thicker walls that improve resistance to mechanical impact and thermal stress. This extends service life under repeated heating, autoclaving, and high-throughput bench handling.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Globe Scientific Globe Glass Heavy Duty Narrow Mouth Erlenmeyer Flask, Borosilicate, ASTM E1406\",\n  \"brand\": { \"@type\": \"Brand\", \"name\": \"Globe Scientific\" },\n  \"description\": \"Heavy-duty narrow-mouth borosilicate Erlenmeyer flasks conforming to ASTM E1406, available in 1L, 2L, and 4L. 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