{"title":"Isobutylene","description":"\u003cdiv class=\"group\/line flex border-l-[3px] border-l-transparent\" data-diff-type=\"normal\" data-diff-line=\"240\"\u003e\n\u003cdiv class=\"flex-1 flex items-start pl-0 pr-2 group-data-[scrollable]\/overlay:pr-6 min-w-0 font-mono\"\u003e\u003ccode class=\"font-mono text-xs break-all\"\u003eShop Isobutylene (C₄H₈) calibration gas cylinders at Trigas USA. Available in 17L, 34L, 58L, 103L, 105L, and 116L steel and aluminum cylinders. Standard concentrations including 10 PPM and 100 PPM for PID calibration. NIST traceable with ±2% tolerance and 48-month shelf life. Ships in 24 hours with Certificate of Analysis. The industry standard reference gas for photoionization detector (PID) calibration. Used for VOC monitoring, industrial hygiene, and environmental air sampling. Compatible with RAE Systems, Ion Science, and all PID instruments.\u003c\/code\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"group\/line flex border-l-[3px] border-l-transparent\" data-diff-type=\"normal\" data-diff-line=\"241\"\u003e\n\u003cspan class=\"flex items-start justify-center font-mono text-xs select-none relative w-3 text-text-500\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003cdiv class=\"flex-1 flex items-start pl-0 pr-2 group-data-[scrollable]\/overlay:pr-6 min-w-0 font-mono\"\u003e\u003ccode class=\"font-mono text-xs break-all\"\u003e \u003c\/code\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"group\/line flex border-l-[3px] border-l-transparent\" data-diff-type=\"normal\" data-diff-line=\"242\"\u003e\n\u003cspan class=\"flex items-start justify-center font-mono text-xs select-none relative w-3 text-text-500\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003cdiv class=\"flex-1 flex items-start pl-0 pr-2 group-data-[scrollable]\/overlay:pr-6 min-w-0 font-mono\"\u003e\u003ccode class=\"font-mono text-xs break-all\"\u003eMETA TITLE:\u003c\/code\u003e\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"116l-411","title":"4-Gas Calibration Mix 116L Aluminum - 100 ppm CO, 25 ppm H2S, 25% LEL pentane, 19% O2","description":"\u003cp\u003e100 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 0.35 % Pentane (25 % LEL) , 19 % Oxygen, Balance Nitrogen contained in a 116 Liter Aluminum cylinder With a C-10 connection. SDS # G-1615 gas wt.= 0.1508 kg.,UN1956\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 116L-411\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±5%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 24 months\u003c\/p\u003e","brand":"Trigas USA","offers":[{"title":"116L Aluminum","offer_id":48486396362969,"sku":"116L-411","price":295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/3713\/3017\/files\/cylinder-116l-aluminum_645795b3-cfa3-46e1-b72d-4b08acaa7041.jpg?v=1778765783"},{"product_id":"116l-471","title":"4-Gas Calibration Mix 116L Aluminum - 100 ppm CO, 25 ppm H2S, 50% LEL pentane, 18% O2","description":"\u003cp\u003e100 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 0.7 % Pentane (50 % LEL) , 18 % Oxygen, Balance Nitrogen contained in a 116 Liter Aluminum cylinder With a C-10 connection. SDS # G-1615 gas wt.= 0.1508 kg.,UN1956\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 116L-471\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±5%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 24 months\u003c\/p\u003e","brand":"Trigas USA","offers":[{"title":"116L Aluminum","offer_id":48486397640921,"sku":"116L-471","price":295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/3713\/3017\/files\/cylinder-116l-aluminum_ad0044c0-c95a-46a8-91ff-e4843a39d9d8.jpg?v=1778765795"},{"product_id":"116l-411-18","title":"4-Gas Calibration Mix 116L Aluminum - 100 ppm CO, 25 ppm H2S, 25% LEL pentane, 18% O2","description":"\u003cp\u003e100 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 0.35 % Pentane (25 % LEL) , 18 % Oxygen, Balance Nitrogen contained in a 116 Liter Aluminum cylinder With a C-10 connection. SDS # G-1615 gas wt.= 0.1508 kg.,UN1956\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 116L-411-18\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±5%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 24 months\u003c\/p\u003e","brand":"Trigas USA","offers":[{"title":"116L Aluminum","offer_id":48486397870297,"sku":"116L-411-18","price":295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/3713\/3017\/files\/cylinder-116l-aluminum_d3e3aa2c-5521-499c-a2f3-b7388739422a.jpg?v=1778765798"},{"product_id":"116l-428-20","title":"4-Gas Calibration Mix 116L Aluminum - 60 ppm CO, 20 ppm H2S, 29% LEL pentane, 15% O2","description":"\u003cp\u003e60 PPM Carbon Monoxide, 20 PPM Hydrogen Sulfide, 1.45 % Methane (29 % LEL) (58% LEL Pentane Simulant), 15 % Oxygen, Balance Nitrogen contained in a 116 Liter Aluminum cylinder With a C-10 connection. SDS # G-1315 gas wt.= 0.1508 kg.,UN1956\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 116L-428-20\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±5%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 24 months\u003c\/p\u003e","brand":"Trigas USA","offers":[{"title":"116L Aluminum","offer_id":48486398755033,"sku":"116L-428-20","price":295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/3713\/3017\/files\/cylinder-116l-aluminum_9db36573-37fc-4b72-bd24-84d82b17b851.jpg?v=1778765807"},{"product_id":"34l-411","title":"4-Gas Calibration Mix 34L Aluminum - 100 ppm CO, 25 ppm H2S, 25% LEL pentane, 19% O2","description":"\u003cp\u003e100 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 0.35 % Pentane (25 % LEL) , 19 % Oxygen, Balance Nitrogen contained in a 34 Liter Aluminum cylinder With a C-10 connection. MSDS # 411 gas wt.= 0.0442 kg.,UN1956\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 34L-411\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±5%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 24 months\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCross-Reference:\u003c\/strong\u003e \u003ca href=\"\/pages\/calgaz-calibration-gas-cross-reference\"\u003eCalgaz\u003c\/a\u003e: 2A310029 | \u003ca href=\"\/pages\/industrial-scientific-calibration-gas-cross-reference\"\u003eISC\u003c\/a\u003e: 1810-3937 | \u003ca href=\"\/pages\/norlab-calibration-gas-cross-reference\"\u003eNorlab\u003c\/a\u003e: F105325MX58 | \u003ca href=\"\/pages\/portagas-calibration-gas-cross-reference\"\u003ePortagas\u003c\/a\u003e: 90094913\u003c\/p\u003e","brand":"Trigas USA","offers":[{"title":"Standard","offer_id":48486400524505,"sku":"34L-411","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/3713\/3017\/files\/cylinder-34l-aluminum_28c65e10-8d71-4e1e-baa3-615830f9cad4.jpg?v=1778765830"},{"product_id":"34l-414","title":"5-Gas Calibration Mix 34L Aluminum - 300 ppm CO, 10 ppm H2S, 1.45% CH4, 58% LEL pentane, 15% O2","description":"\u003cp\u003e300 PPM Carbon Monoxide, 10 PPM Hydrogen Sulfide, 1.45 % Methane, (29 % LEL) , (58 % LEL Pentane Equivalent) , 15 % Oxygen, Balance Nitrogen contained in a 34 Liter Aluminum cylinder With a C-10 connection. SDS # G-1315 gas wt.= 0.0442 kg.,UN1956\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 34L-414\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±5%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 24 months\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCross-Reference:\u003c\/strong\u003e \u003ca href=\"\/pages\/msa-calibration-gas-cross-reference\"\u003eMSA\u003c\/a\u003e: 711058\u003c\/p\u003e","brand":"Trigas USA","offers":[{"title":"Standard","offer_id":48486400884953,"sku":"34L-414","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/3713\/3017\/files\/cylinder-34l-aluminum_44481040-abad-4999-8379-71c3f3123e4a.jpg?v=1778765839"},{"product_id":"34l-437","title":"4-Gas Calibration Mix 34L Aluminum - 50 ppm CO, 25 ppm H2S, 50% LEL propane, 18% O2","description":"\u003cp\u003e50 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 1.05 % Propane (50% LEL) , 18 % Oxygen, Balance Nitrogen contained in a 34 Liter Aluminum cylinder With a C-10 connection. SDS # G-5915 gas wt.= 0.0442 kg.,UN1956\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 34L-437\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±5%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 24 months\u003c\/p\u003e","brand":"Trigas USA","offers":[{"title":"Standard","offer_id":48486401999065,"sku":"34L-437","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/3713\/3017\/files\/cylinder-34l-aluminum_0d0758e2-2d7b-4269-8d71-aff55a1f1b65.jpg?v=1778765856"},{"product_id":"34l-471","title":"4-Gas Calibration Mix 34L Aluminum - 100 ppm CO, 25 ppm H2S, 50% LEL pentane, 18% O2","description":"\u003cp\u003e100 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 0.7 % Pentane (50 % LEL) , 18 % Oxygen, Balance Nitrogen contained in a 34 Liter Aluminum cylinder With a C-10 connection. SDS # G-1615 gas wt.= 0.0442 kg.,UN1956\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 34L-471\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±5%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 24 months\u003c\/p\u003e","brand":"Trigas USA","offers":[{"title":"Standard","offer_id":48486402523353,"sku":"34L-471","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/3713\/3017\/files\/cylinder-34l-aluminum_d1a8f67c-bc5f-4d4d-a3d3-b550278a74c0.jpg?v=1778765872"},{"product_id":"34l-482","title":"5-Gas Calibration Mix 34L Aluminum - 50 ppm CO, 25 ppm H2S, 1.25% CH4, 50% LEL pentane, 12% O2","description":"\u003cp\u003e50 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 1.25 % Methane, (25 % LEL) , (50 % LEL Pentane Equivalent) , 12 % Oxygen, Balance Nitrogen contained in a 34 Liter Aluminum cylinder With a C-10 connection. SDS # G-1315 gas wt.= 0.0425 kg.,UN1956\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 34L-482\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±5%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 24 months\u003c\/p\u003e","brand":"Trigas USA","offers":[{"title":"Standard","offer_id":48486402949337,"sku":"34L-482","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/3713\/3017\/files\/cylinder-34l-aluminum_7e2b4b81-d009-4521-bdbb-44bc5522b7e5.jpg?v=1778765876"},{"product_id":"34l-403e","title":"5-Gas Calibration Mix 34L Aluminum - 50 ppm CO, 25 ppm H2S, 1.62% CH4, 50% LEL propane, 18% O2","description":"\u003cp\u003e50 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 1.62 % Methane, (32.4 % LEL) , (50 % LEL Propane Equivalent) , 18 % Oxygen, Balance Nitrogen contained in a 34 Liter Aluminum cylinder With a C-10 connection. 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SDS # G-1615 gas wt.= 0.0754 kg.,UN1956\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 58L-471\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±5%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 24 months\u003c\/p\u003e","brand":"Trigas USA","offers":[{"title":"58L Aluminum","offer_id":48486409175257,"sku":"58L-471","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/3713\/3017\/files\/cylinder-58l-aluminum_9d742ce8-732a-468b-bfb6-20fd28e52ec0.jpg?v=1778765982"},{"product_id":"58l-482","title":"5-Gas Calibration Mix 58L Aluminum - 50 ppm CO, 25 ppm H2S, 1.25% CH4, 50% LEL pentane, 12% O2","description":"\u003cp\u003e50 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 1.25 % Methane, (25 % LEL) , (50 % LEL Pentane Equivalent) , 12 % Oxygen, Balance Nitrogen contained in a 58 Liter Aluminum cylinder With a C-10 connection. SDS # G-1315 gas wt.= 0.0725 kg.,UN1956\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 58L-482\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±5%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 24 months\u003c\/p\u003e","brand":"Trigas USA","offers":[{"title":"58L Aluminum","offer_id":48486409601241,"sku":"58L-482","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/3713\/3017\/files\/cylinder-58l-aluminum_8cf32607-ce0c-4439-848d-6e99dbbfffbf.jpg?v=1778765984"},{"product_id":"58l-311no2","title":"4-Gas Calibration Mix 58L Aluminum - 100 ppm CO, 5 ppm NO2, 25% LEL pentane, 19% O2","description":"\u003cp\u003e100 PPM Carbon Monoxide, 5 PPM Nitrogen Dioxide, 0.35 % Pentane (25 % LEL) , 19 % Oxygen, Balance Nitrogen contained in a 58 Liter Aluminum cylinder With a C-10 connection. gas wt.= 0.0754 kg.,UN1956\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 58L-311NO2\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±5%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 12 months\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCross-Reference:\u003c\/strong\u003e \u003ca href=\"\/pages\/industrial-scientific-calibration-gas-cross-reference\"\u003eISC\u003c\/a\u003e: 1810-6773\u003c\/p\u003e","brand":"Trigas USA","offers":[{"title":"58L Aluminum","offer_id":48486409634009,"sku":"58L-311NO2","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/3713\/3017\/files\/cylinder-58l-aluminum_c236ba07-9e44-46b6-8a8b-7200f59a79e0.jpg?v=1778765988"},{"product_id":"58l-402es","title":"5-Gas Calibration Mix 58L Aluminum - 100 ppm CO, 25 ppm H2S, 1.25% CH4, 50% LEL pentane, 18% O2","description":"\u003cp\u003e100 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 1.25 % Methane, (25 % LEL) , (50 % LEL Pentane Equivalent) , 18 % Oxygen, Balance Nitrogen contained in a 58 Liter Aluminum cylinder With a C-10 connection. SDS # G-1315 gas wt.= 0.0754 kg.,UN1956\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 58L-402ES\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±5%\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 24 months\u003c\/p\u003e","brand":"Trigas USA","offers":[{"title":"58L Aluminum","offer_id":48486410485977,"sku":"58L-402ES","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/3713\/3017\/files\/cylinder-58l-aluminum_77d99385-0836-4446-98d1-bbcbff67b640.jpg?v=1778766000"},{"product_id":"58l-403e","title":"5-Gas Calibration Mix 58L Aluminum - 50 ppm CO, 25 ppm H2S, 1.62% CH4, 50% LEL propane, 18% O2","description":"\u003cp\u003e50 PPM Carbon Monoxide, 25 PPM Hydrogen Sulfide, 1.62 % Methane, (32.4 % LEL) , (50 % LEL Propane Equivalent) , 18 % Oxygen, Balance Nitrogen contained in a 58 Liter Aluminum cylinder With a C-10 connection. 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