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12-hydroxystearic acid is prepared by the hydrogenation of castor oil, followed by saponification with sodium hydroxide and acidification with hydrochloric acid. [3] This process converts ricinoleate moieties in castor oil triglycerides to 12-hydroxystearate, with stearate as a byproduct from dehydration of the hydroxy acid followed by ...
Hydrogenation and saponification of castor oil yields 12-hydroxystearic acid, which is then reacted with lithium hydroxide or lithium carbonate to give high-performance lubricant grease. [ 46 ] Since it has a relatively high dielectric constant (4.7), highly refined and dried castor oil is sometimes used as a dielectric fluid within high ...
Fortune 500 companies based in Houston [1] Rank Company name 12: ExxonMobil: 48: Phillips 66: 60: Sysco: 105: Enterprise Products Partners: 106: Hewlett Packard ...
12-Hydroxyheptadecatrienoic acid (also termed 12-HHT, 12(S)-hydroxyheptadeca-5Z,8E,10E-trienoic acid, or 12(S)-HHTrE) is a 17 carbon metabolite of the 20 carbon polyunsaturated fatty acid, arachidonic acid. 12-HHT is less ambiguously termed 12-(S)-hydroxy-5Z,8E,10E-heptadecatrienoic acid to indicate the S stereoisomerism of its 12-hydroxyl ...
Houston store hours for New Year's Day 2025 including H-E-B, Costco, Aldi, CVS, Sam's Club and Walmart.
West Oaks Mall is a regional shopping mall located in the Alief area of the west side of Houston, Texas, USA, that opened in 1984. [2] With a trade area serving far western parts of Houston including a business clientele in the Energy Corridor and suburban neighborhoods west of George Bush Park in the Greater Katy and Fulshear areas, the mall is located at Texas State Highway 6 and Westheimer ...
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The origins of Houston Refining date to 1918, when Harry Sinclair (Sinclair Oil) began building a battery still on the site. [4] As the refinery grew, additional processing units were built to produce lubricants and aromatic chemicals, and with the addition of the fluid catalytic cracker in 1952, and the 736 coker in 1968, the refinery emerged ...