{"product_id":"cole-parmer-laboratory-glass-erlenmeyer-flask-125-ml-12-pack","title":"Cole-Parmer Laboratory Glass Erlenmeyer Flask 125 mL (12 Pack)","description":"\u003cp\u003eIn this review the Cole-Parmer Laboratory Glass Erlenmeyer Flask 125 mL (12 Pack) is assessed for routine lab work and hobbyist chemistry; the bottom line is that it is a dependable, economical set for anyone needing standardized, autoclavable flasks. The single biggest reason to buy is the combination of durable borosilicate 3.3 glass with precise graduations, which makes these flasks useful for repeated heating, cooling and measured liquid handling without frequent replacement.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBorosilicate construction:\u003c\/strong\u003e Durable 3.3 borosilicate glass resists thermal shock and chemical wear so the flasks remain serviceable across many uses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-to-read graduations:\u003c\/strong\u003e Clear external markings let users measure liquids with confidence and reduce guesswork during routine transfers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range:\u003c\/strong\u003e Rated to withstand roughly -50 to 550oC, the flasks handle a broad set of temperature-sensitive procedures safely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoclavable design:\u003c\/strong\u003e The flasks can be sterilized and reused, which supports lab hygiene and lowers long-term consumable costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-duty rim and narrow mouth:\u003c\/strong\u003e A reinforced rim reduces chipping during handling while the narrow opening improves pouring control and minimizes spillage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise graduated tolerances:\u003c\/strong\u003e With tolerances to about 0.05, the measurement markings support applications where small volume accuracy matters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe 125 mL 12-pack is well suited to teaching labs, small research groups, and serious hobbyists who need multiple identical flasks for parallel experiments, titrations, or solution preparation. Its autoclavable nature and borosilicate glass make it a practical choice when sterilization and thermal cycling are routine.\u003c\/p\u003e\n\u003cp\u003eThose who require ultra-high precision volumetrics or certified volumetric flasks for trace analytical work should look elsewhere; this set is intended for general lab use rather than primary reference measurements.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-quality borosilicate glass construction provides good thermal resistance and longevity.\u003c\/li\u003e\n\u003cli\u003eVisible, easy-to-read graduations reduce measurement mistakes in daily workflows.\u003c\/li\u003e\n\u003cli\u003eAutoclavable and reusable, which lowers consumable spend for labs that sterilize glassware frequently.\u003c\/li\u003e\n\u003cli\u003eFlat-bottom and thickened rim improve stability and resistance to chipping during normal use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report mixed experiences on ease of cleaning, so residues from certain solutions may require extra effort to remove.\u003c\/li\u003e\n\u003cli\u003eNot intended as a certified volumetric instrument for precision analytical calibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eCole-Parmer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eBorosilicate 3.3 glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e125 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack quantity\u003c\/td\u003e\n\u003ctd\u003e12 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003eApproximately -50 to 550oC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoclavable\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduation tolerance\u003c\/td\u003e\n\u003ctd\u003eAbout 0.05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThis 12-pack of 125 mL Erlenmeyer flasks is a sensible purchase for labs and educators who need durable, autoclavable glassware with clear graduations at a reasonable cost. It delivers consistent performance for heating, mixing and measured transfers and represents good value for general laboratory and classroom use.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these flasks safe for autoclaving?\u003c\/strong\u003e\u003cbr\u003eYes. The flasks are made of borosilicate 3.3 glass and are described as autoclavable for routine sterilization.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan they be used at high and low temperatures?\u003c\/strong\u003e\u003cbr\u003eYes. The manufacturer indicates a wide temperature range from around -50 to 550oC, suitable for many thermal procedures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow accurate are the measurement markings?\u003c\/strong\u003e\u003cbr\u003eThe external graduations have tolerances to about 0.05, making them suitable for typical lab measurements though not as precise as certified volumetric glassware.\u003c\/p\u003e","brand":"Cole-Parmer","offers":[{"title":"Default Title","offer_id":48241756471515,"sku":"B079ZSSGZS","price":33.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/31c0Q-D3NDL.jpg?v=1771087865","url":"https:\/\/gearmusthave.com\/products\/cole-parmer-laboratory-glass-erlenmeyer-flask-125-ml-12-pack","provider":"GearMustHave","version":"1.0","type":"link"}