{"product_id":"inhibited-propylene-glycol-20-80-with-oat-inhibitor-data-center-coolant","title":"Inhibited Propylene Glycol 20\/80 with OAT Inhibitor — Data Center Coolant","description":"\u003cp\u003e\u003cstrong\u003eInhibited Propylene Glycol 20\/80\u003c\/strong\u003e is a ready-to-use coolant of 20% propylene glycol by weight in deionized water with a nitrite-containing OAT corrosion inhibitor, freeze point approx. 19 °F (-7 °C). Data center, HVAC and facility teams use it in indoor closed loops: CDU technology cooling system (TCS) loops, rear-door heat exchangers and chillers. It comes in sizes from 1 quart to 55-gallon drums and 330-gallon IBC totes, starting at $16.65 (1 quart), and is not regulated by DOT.\u003c\/p\u003e\n\u003cp\u003eThe inhibitor package combines sodium nitrite, sodium molybdate, sodium benzoate and triethanolamine with organic-acid inhibitors, formulated for steel, cast iron, copper, brass and solder. Blended at our Taylor, TX facility.\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eData center liquid cooling secondary loops\u003c\/li\u003e\n\u003cli\u003eCoolant distribution unit (CDU) technology cooling system (TCS) loops\u003c\/li\u003e\n\u003cli\u003eRear-door heat exchanger loops\u003c\/li\u003e\n\u003cli\u003eHVAC chillers \u0026amp; hydronic heating loops\u003c\/li\u003e\n\u003cli\u003eLight freeze protection, to approx. 19 °F (-7 °C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposition:\u003c\/strong\u003e propylene glycol 19.5–20.5% by weight (w\/w); corrosion inhibitor package 1.8–2.2%; deionized water balance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS:\u003c\/strong\u003e 57-55-6 (PG), 7732-18-5 (Water); product is a mixture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrite (as NO\u003csub\u003e2\u003c\/sub\u003e):\u003c\/strong\u003e 480 ppm min.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDensity:\u003c\/strong\u003e 1.015–1.020 g\/cm³ at 20 °C (calculated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDensity:\u003c\/strong\u003e approx. 1.02 g\/mL (8.5 lb\/gal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH:\u003c\/strong\u003e reported on the lot Certificate of Analysis (typically 7.0–9.0)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReserve alkalinity:\u003c\/strong\u003e reported on the lot COA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreeze point:\u003c\/strong\u003e approx. 19 °F (-7 °C); specification 20 °F (-6.7 °C) max\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoiling point:\u003c\/strong\u003e approx. 214 °F (101 °C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppearance:\u003c\/strong\u003e clear, colorless to pale yellow liquid; not dyed (dye available on request)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/docs.alliancechemical.com\/sds\/inhibited-propylene-glycol-20-80-with-oat-inhibitor-data-center-coolant\"\u003eSafety Data Sheet (SDS)\u003c\/a\u003e, English, French, Spanish and Japanese\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.alliancechemical.com\/tds\/inhibited-propylene-glycol-20-80-with-oat-inhibitor-data-center-coolant\"\u003eTechnical Data Sheet (TDS)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eLot-specific Certificate of Analysis (COA) on request, no charge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling\u003c\/h3\u003e\n\u003cp\u003eNot classified as hazardous under GHS and not regulated for transport by DOT. Contains sodium nitrite: install as a fresh fill after draining and flushing, do not mix with phosphate-, silicate- or nitrite-free coolants, keep away from strong acids, and avoid galvanized (zinc) surfaces. Refer to the Safety Data Sheet (SDS) for full handling information.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable sizes:\u003c\/strong\u003e 1 quart through 330-gallon IBC tote. Bulk loads quoted on request.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot for:\u003c\/strong\u003e direct or incidental food contact, potable water, open recirculation, automotive crankcase, or single-pass cooling.\u003c\/p\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003ch4\u003eWhat is Inhibited Propylene Glycol 20\/80?\u003c\/h4\u003e\n\u003cp\u003eA ready-to-use heat-transfer fluid: propylene glycol 19.5–20.5% by weight in deionized water, with a nitrite-containing hybrid organic-acid (OAT) corrosion inhibitor package at 1.8–2.2%. The package combines sodium nitrite, sodium molybdate, sodium benzoate and triethanolamine with organic-acid inhibitors. It is blended in Taylor, Texas, and is not dyed.\u003c\/p\u003e\n\u003ch4\u003eWhat is the freeze point of 20% propylene glycol?\u003c\/h4\u003e\n\u003cp\u003eThe freeze point is approx. 19 °F (-7 °C) at 20% propylene glycol by weight; the specification is 20 °F (-6.7 °C) max. The percentage is by weight, not by volume, so compare it against weight-percent freeze tables.\u003c\/p\u003e\n\u003ch4\u003eShould I choose PG 20\/80, 25\/75 or 30\/70?\u003c\/h4\u003e\n\u003cp\u003e20\/80 carries the least glycol in the line, so it suits indoor closed loops that do not see freezing temperatures, such as CDU technology cooling loops and rear-door heat exchangers inside a conditioned building. If piping, dry coolers or equipment can get near 20 °F, choose 25\/75 or 30\/70, which carry more glycol and freeze at lower temperatures.\u003c\/p\u003e\n\u003ch4\u003eDoes it contain nitrite?\u003c\/h4\u003e\n\u003cp\u003eYes. The inhibitor package contains sodium nitrite; the specification is nitrite 480 ppm min. (as NO2). It is not a nitrite-free coolant, so it does not meet a specification that requires one.\u003c\/p\u003e\n\u003ch4\u003eIs it hazardous or DOT regulated?\u003c\/h4\u003e\n\u003cp\u003eIt is not classified as hazardous under OSHA HCS \/ GHS and is not regulated for transport by DOT, so it ships without a hazmat surcharge. It is not for food contact or potable water. See the Safety Data Sheet for handling guidance.\u003c\/p\u003e\n\u003ch4\u003eWhich metals is it compatible with?\u003c\/h4\u003e\n\u003cp\u003eThe inhibitor package is formulated for steel, cast iron, copper, brass and solder. Avoid galvanized (zinc) surfaces and strong acids. Install it as a fresh fill after draining and flushing; do not mix it with phosphate-, silicate- or nitrite-free coolants.\u003c\/p\u003e\n\u003ch4\u003eHow do I top off or dilute it?\u003c\/h4\u003e\n\u003cp\u003eIt is supplied ready to use, so do not dilute it further. Top off with the same 20\/80 premix to keep glycol and inhibitor on spec; adding water alone lowers both.\u003c\/p\u003e\n\u003ch4\u003eAre the SDS, TDS and COA available?\u003c\/h4\u003e\n\u003cp\u003eYes. The Safety Data Sheet (English, French, Spanish and Japanese) and the Technical Data Sheet are published on this page. A lot-specific Certificate of Analysis is available on request at no charge; pH and reserve alkalinity are reported on it.\u003c\/p\u003e\n\u003ch4\u003eWhat sizes are available and what does it cost?\u003c\/h4\u003e\n\u003cp\u003e1 quart, 1 gallon, 4-gallon case, 5 gallon, 15- and 55-gallon drums, and 275- and 330-gallon IBC totes, plus multi-packs and pallets. Prices start at $16.65 (1 quart); drum and tote prices are on the size selector. For larger quantities contact sales@alliancechemical.com.\u003c\/p\u003e\n\u003ch3\u003eRelated products and resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/inhibited-propylene-glycol-25-75-with-oat-inhibitor-data-center-coolant\"\u003eInhibited Propylene Glycol 25\/75 (OAT)\u003c\/a\u003e: more glycol, lower freeze point\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/inhibited-propylene-glycol-30-70-with-oat-inhibitor-heat-transfer-fluid\"\u003eInhibited Propylene Glycol 30\/70 (OAT)\u003c\/a\u003e: for loops that see colder temperatures\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/100-propylene-glycol-inhibited\"\u003e100% Propylene Glycol, Inhibited\u003c\/a\u003e: concentrate\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/data-center-cooling\"\u003eAll data center cooling fluids\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/pages\/glycol-heat-transfer-fluid-technical-submittal\"\u003eGlycol \u0026amp; heat transfer fluid technical submittal\u003c\/a\u003e: specifications, SDS\/TDS and qualification packets for the whole line\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.alliancechemical.com\/sds\/inhibited-propylene-glycol-20-80-with-oat-inhibitor-data-center-coolant\"\u003eSafety Data Sheet (SDS)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.alliancechemical.com\/tds\/inhibited-propylene-glycol-20-80-with-oat-inhibitor-data-center-coolant\"\u003eTechnical Data Sheet (TDS)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.alliancechemical.com\/technical\/data-center-cooling\"\u003eData center cooling technical library\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/articles\/propylene-glycol-vs-ethylene-glycol-hyperscaler-toxicity\"\u003ePropylene glycol vs ethylene glycol for hyperscale data centers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/articles\/oat-vs-noat-vs-hoat-inhibitor-data-center\"\u003eOAT vs NOAT vs HOAT inhibitor chemistry for data center cooling\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Alliance Chemical","offers":[{"title":"1 Quart \/ 1 Quart","offer_id":67588978442473,"sku":"PG20-OAT-Q01","price":16.65,"currency_code":"USD","in_stock":true},{"title":"1 Quart \/ 2 Quarts","offer_id":67588978475241,"sku":"PG20-OAT-Q02","price":27.0,"currency_code":"USD","in_stock":true},{"title":"1 Quart \/ 4 Quarts","offer_id":67588978508009,"sku":"PG20-OAT-Q04","price":28.8,"currency_code":"USD","in_stock":true},{"title":"1 Quart \/ 8 Quarts","offer_id":67588978540777,"sku":"PG20-OAT-Q08","price":50.4,"currency_code":"USD","in_stock":true},{"title":"1 Gallon \/ 1 Gallon","offer_id":67588978573545,"sku":"PG20-OAT-G01","price":28.8,"currency_code":"USD","in_stock":true},{"title":"1 Gallon \/ 2 Gallons","offer_id":67588978606313,"sku":"PG20-OAT-G02","price":50.4,"currency_code":"USD","in_stock":true},{"title":"1 Gallon \/ 4 Gallon Case","offer_id":67588978639081,"sku":"PG20-OAT-G04","price":99.9,"currency_code":"USD","in_stock":true},{"title":"1 Gallon \/ 4 Gallons x 36 Cases","offer_id":67588978671849,"sku":"PG20-OAT-PC4","price":2575.5,"currency_code":"USD","in_stock":true},{"title":"5 Gallon \/ 5 Gallon Pail","offer_id":67588978704617,"sku":"PG20-OAT-P05","price":124.2,"currency_code":"USD","in_stock":true},{"title":"5 Gallon \/ 4 x 5 Gallon Pails","offer_id":67588978737385,"sku":"PG20-OAT-P54","price":386.4,"currency_code":"USD","in_stock":true},{"title":"5 Gallon \/ 36 x 5 Gallons (Pallet)","offer_id":67588978770153,"sku":"PG20-OAT-P5L","price":3219.37,"currency_code":"USD","in_stock":true},{"title":"15 Gallon \/ 15 Gallon Drum","offer_id":67588978802921,"sku":"PG20-OAT-D15","price":289.8,"currency_code":"USD","in_stock":true},{"title":"55 Gallon \/ 55 Gallon Drum","offer_id":67588978835689,"sku":"PG20-OAT-D55","price":983.7,"currency_code":"USD","in_stock":true},{"title":"55 Gallon \/ 4 x 55 Gallon Drums","offer_id":67588978868457,"sku":"PG20-OAT-PL4","price":3505.5,"currency_code":"USD","in_stock":true},{"title":"275 Gallon \/ 275 Gallon IBC Tote","offer_id":67588978901225,"sku":"PG20-OAT-T27","price":3711.6,"currency_code":"USD","in_stock":true},{"title":"330 Gallon \/ 330 Gallon IBC Tote","offer_id":67588978933993,"sku":"PG20-OAT-T33","price":4338.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/2734\/1866\/files\/PG20-OAT-G01--organic-6d74dc20.png?v=1790649406","url":"https:\/\/alliancechemical.com\/products\/inhibited-propylene-glycol-20-80-with-oat-inhibitor-data-center-coolant","provider":"Alliance Chemical","version":"1.0","type":"link"}