{"product_id":"heathrow-scientific-volumetric-flask-amber-class-a","title":"Heathrow Scientific Volumetric Flasks - 2307A Series | Amber Class A Glass","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSafeguard your light-sensitive chemical standards and biological samples while maintaining uncompromising volumetric precision with the Heathrow Scientific Amber Volumetric Flasks (2307A Series). Manufactured from premium, low-expansion borosilicate glass, these highly durable laboratory flasks are saturated with a low-actinic amber tint designed specifically to block UV and visible light degradation.\u003c\/p\u003e\n\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eEngineered to meet the stringent requirements of rigorous analytical environments, every flask in the 2307A series complies fully with ASTM E-288 Class A specifications and USP standards for quantitative laboratory glassware. They are precisely calibrated \"To Contain\" (TC) exact volumes of liquid at the industry-standard 20°C (68°F), featuring a sharply defined, uniform graduation ring for error-free meniscus visualization. Each flask includes a tight-fitting ground glass stopper to prevent sample evaporation and features a large, frosted marking square for permanent labeling.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eLow-Actinic Amber Glass:\u003c\/strong\u003e Provides exceptional protection for photolabile (light-sensitive) materials during storage or analysis.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eClass A Precision:\u003c\/strong\u003e Manufactured and individually calibrated to meet strict ASTM E-288 Class A and USP standards.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003ePremium Borosilicate Construction:\u003c\/strong\u003e Offers a low coefficient of expansion, granting high resistance to thermal shock and harsh chemicals.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eIncluded Glass Stopper:\u003c\/strong\u003e Secures the contents with a precision-ground, tight-sealing glass stopper.\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cstrong\u003eLarge Marking Square:\u003c\/strong\u003e Allows technicians to easily date, track, and label volatile contents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eOrdering Information \u0026amp; Specifications\u003c\/h2\u003e\n\u003cdiv class=\"overflow-x-auto my-4\"\u003e\n  \u003ctable class=\"min-w-full text-left text-sm border-collapse border border-gray-300\"\u003e\n    \u003cthead class=\"bg-gray-100 font-semibold\"\u003e\n      \u003ctr\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eVolume Capacity\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eDimensions (L x W)\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003ePackaging\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003ePart Number (SKU)\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e10 mL\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e28 x 95 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 6\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e2307A-10\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e20 mL\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e36 x 115 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 6\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e2307A-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e25 mL\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e39 x 122 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 6\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e2307A-25\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e50 mL\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e49 x 150 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 4\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e2307A-50\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e100 mL\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e60 x 180 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 4\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e2307A-100\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e200 mL\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e75 x 220 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 4\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e2307A-200\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e250 mL\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e78 x 239 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 4\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e2307A-250\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e500 mL\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e100 x 280 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 2\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e2307A-500\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e1000 mL\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e127 x 325 mm\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003ePack of 2\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003e\u003cstrong\u003e2307A-1000\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"overflow-x-auto my-4\"\u003e\n  \u003ctable class=\"min-w-full text-left text-sm border-collapse border border-gray-300\"\u003e\n    \u003cthead class=\"bg-gray-100 font-semibold\"\u003e\n      \u003ctr\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eSpecification\u003c\/th\u003e\n        \u003cth class=\"p-2 border border-gray-300\"\u003eDetail\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eMaterial\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eLow-Actinic Amber Borosilicate Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eStandard Compliance\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eASTM E-288 Class A \/ USP Standards\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eCalibration Profile\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eTo Contain (TC) at 20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eIncluded Accessory\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eGround Glass Stopper\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eSterilization\u003c\/td\u003e\n\u003ctd class=\"p-2 border border-gray-300\"\u003eFully Autoclavable\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cem\u003eLabSupplies.com is an authorized distributor of Heathrow Scientific. All volumetric flasks ship directly from our verified USA warehouse.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"Heathrow Scientific","offers":[{"title":"10 mL (Pack of 6)","offer_id":48098631188712,"sku":"2307A-10","price":100.0,"currency_code":"USD","in_stock":true},{"title":"20 mL (Pack of 6)","offer_id":48098625847528,"sku":"2307A-20","price":122.0,"currency_code":"USD","in_stock":true},{"title":"25 mL (Pack of 6)","offer_id":48098631221480,"sku":"2307A-25","price":122.0,"currency_code":"USD","in_stock":true},{"title":"50 mL (Pack of 4)","offer_id":48098631254248,"sku":"2307A-50","price":88.0,"currency_code":"USD","in_stock":true},{"title":"100 mL (Pack of 4)","offer_id":48098631287016,"sku":"2307A-100","price":100.0,"currency_code":"USD","in_stock":true},{"title":"200 mL (Pack of 4)","offer_id":48098631319784,"sku":"2307A-200","price":210.0,"currency_code":"USD","in_stock":true},{"title":"250 mL (Pack of 4)","offer_id":48098631352552,"sku":"2307A-250","price":241.0,"currency_code":"USD","in_stock":true},{"title":"500 mL (Pack of 2)","offer_id":48098631385320,"sku":"2307A-500","price":164.0,"currency_code":"USD","in_stock":true},{"title":"1000 mL (Pack of 2)","offer_id":48098631418088,"sku":"2307A-1000","price":247.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_07e64de1-c8d6-4106-b9bf-81c1077da754.jpg?v=1772652321","url":"https:\/\/labsupplies.com\/products\/heathrow-scientific-volumetric-flask-amber-class-a","provider":"LabSupplies.com","version":"1.0","type":"link"}