{"product_id":"conical-flat-microcentrifuge-tubes-2-0ml-yellow-ppc-2143442y80e1","title":"2.0 mL Microcentrifuge Tubes, Tethered Caps, PPC, Yellow — 214-3442-Y80 | 250\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003e2.0 mL Conical Flat Microcentrifuge Tubes with Tethered Cap — PPC, Yellow, 250\/Bag (214-3442-Y80)\u003c\/h2\u003e\n\u003cp\u003eThese 2.0 mL polypropylene copolymer (PPC) microcentrifuge tubes feature a permanently tethered flat-top cap, molded volume graduations, and a yellow color for fast visual identification in multi-tube workflows. Supplied non-sterile in 250\/Bag packaging, they are engineered for standard 2.0 mL microcentrifuge rotor positions and deliver the impact resistance and flexibility of PPC construction — reducing cracking risk during high-speed centrifuge runs compared with standard PP homopolymer. The manufacturer part number 214-3442-Y80 can be used when ordering to confirm the exact configuration.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e214-3442-Y80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e2.0 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Style\u003c\/td\u003e\n\u003ctd\u003eConical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCap Style\u003c\/td\u003e\n\u003ctd\u003eTethered flat-top\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduation\u003c\/td\u003e\n\u003ctd\u003eMolded volume markings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolypropylene Copolymer (PPC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eYellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eNon-Sterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e250\/Bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBPA \/ Phthalate Free\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePCR setup and enzyme reaction preparation requiring a secure, leak-resistant closure\u003c\/li\u003e\n\u003cli\u003eDNA and RNA extraction workflows benefiting from the low dead-volume conical bottom\u003c\/li\u003e\n\u003cli\u003eCell pelleting and microvolume sample collection in clinical and research centrifuge runs\u003c\/li\u003e\n\u003cli\u003eHigh-throughput pipetting workflows where single-handed cap operation and no-cap-loss design reduce interruption\u003c\/li\u003e\n\u003cli\u003eClinical microvolume sample processing with flat-cap labeling for direct marker identification and lot traceability\u003c\/li\u003e\n\u003cli\u003eHigh-density tube storage using the stable flat-cap stacking geometry\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eReagent \/ Condition\u003c\/th\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAqueous buffers \/ saline\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\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethanol\u003c\/td\u003e\n\u003ctd\u003eCompatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsopropanol\u003c\/td\u003e\n\u003ctd\u003eCompatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetonitrile\u003c\/td\u003e\n\u003ctd\u003eCompatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic solvents (toluene, xylene)\u003c\/td\u003e\n\u003ctd\u003eNot recommended — verify before use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated solvents (chloroform, DCM)\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eMade in USA, these Caplugs® Evergreen microcentrifuge tubes are manufactured from BPA-free, phthalate-free polypropylene copolymer resin with lot-to-lot dimensional consistency for reliable rotor fit. The sealed 250\/Bag format maintains product integrity from warehouse receipt through point-of-use, supporting traceability requirements in CAP-, CLIA-, and ISO 15189-regulated laboratory environments. LabSupplies.com is an authorized Caplugs® Evergreen dealer, shipping from USA inventory with tiered volume pricing available for institutional purchasers, core facilities, and grant-funded laboratories.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these microcentrifuge tubes autoclavable?\u003c\/strong\u003e\u003cbr\u003eThe polypropylene copolymer (PPC) material is generally autoclavable; however, the tethered cap hinge should be evaluated for your specific cycle parameters. Because these tubes are supplied non-sterile, many labs autoclave them in-house prior to RNA or sensitive PCR work. Confirm compatibility with your autoclave protocol before routine use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat makes the tethered cap better than a snap-on cap in high-throughput work?\u003c\/strong\u003e\u003cbr\u003eThe cap is permanently attached via a flexible hinge, so it cannot be misplaced, mixed with another tube's cap, or accidentally contaminate an adjacent sample during rapid open-close cycling. Single-handed operation also keeps the second hand free for pipetting, reducing repetitive-motion fatigue and workflow interruptions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I write directly on the cap, or do I need labels?\u003c\/strong\u003e\u003cbr\u003eYes — the flat-top cap provides a stable, smooth writing surface compatible with standard laboratory markers. The flat geometry also allows tubes to be stacked top-to-top in storage racks, making the labeling visible without removing the tube from the rack.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow does yellow color coding help in multi-tube workflows?\u003c\/strong\u003e\u003cbr\u003eYellow provides immediate visual contrast against common white, natural, or blue tubes in a shared microcentrifuge rack. Assigning yellow to a specific sample type, extraction step, or reagent set lets technicians confirm tube identity at a glance and reduces the risk of processing errors during high-density runs.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"2.0 mL Conical Flat Microcentrifuge Tubes with Tethered Cap, PPC, Yellow, 250\/Bag — Caplugs® Evergreen 214-3442-Y80\",\"sku\":\"2143442Y80E1\",\"mpn\":\"214-3442-Y80\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polypropylene Copolymer (PPC)\",\"color\":\"Yellow\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"33.18\",\"availability\":\"https:\/\/schema.org\/InStock\"}}\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Are these microcentrifuge tubes autoclavable?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The polypropylene copolymer (PPC) material is generally autoclavable; however, the tethered cap hinge should be evaluated for your specific cycle parameters. 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