{"product_id":"set-of-2-chemglass-af-0528-03-250ml-14-20-cn-air-free-round-bottom-flask","title":"Set of 2 Chemglass AF-0528-03 250mL 14\/20 CN Air-Free Round Bottom Flask","description":"\u003cp dir=\"ltr\" style=\"margin-top:0; margin-bottom:0;\"\u003eSet of 2 Chemglass AF-0528-03 250mL 14\/20 CN Air-Free Round Bottom Flask\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cp dir=\"ltr\" style=\"margin-top:0; margin-bottom:0;\"\u003eUsed, see photos\u003c\/p\u003e\u003cp dir=\"ltr\" style=\"margin-top:0; margin-bottom:0;\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp dir=\"ltr\" style=\"margin-top:0; margin-bottom:0;\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp dir=\"ltr\" style=\"margin-top:0; margin-bottom:0;\"\u003eThis set of two Chemglass AF-0528-03 Airfree® Schlenk reaction flasks includes 250 mL single-neck round-bottom flasks with 14\/20 standard taper outer joints and 2 mm glass stopcocks. These borosilicate reaction flasks are designed for air-sensitive chemistry, vacuum\/inert-gas handling, reflux, small-scale synthesis, solvent transfer, and storage or manipulation of oxygen\/moisture-sensitive materials. Chemglass describes this series as round-bottom single-neck Schlenk flasks with a standard taper outer joint, available with a high-vacuum glass stopcock and retaining device; this AF-0528-03 version is the 250 mL, 14\/20, 2 mm glass stopcock configuration. Good fit for organic synthesis, organometallic work, glovebox\/Schlenk-line workflows, and general research lab glassware setups. Includes only what is shown; please verify joint size, stopcock condition, and cleanliness before purchase.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cp dir=\"ltr\" style=\"margin-top:0; margin-bottom:0;\"\u003e-BJ\u003c\/p\u003e","brand":"Lab Liquidators Store","offers":[{"title":"Default Title","offer_id":55360379912484,"sku":"SP111115432","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5289\/2964\/files\/10_f714c7b6-5926-4257-a66c-84b0f2644f01.jpg?v=1782487380","url":"https:\/\/store.labliquidators.com\/products\/set-of-2-chemglass-af-0528-03-250ml-14-20-cn-air-free-round-bottom-flask","provider":"Lab Liquidators Store","version":"1.0","type":"link"}