Стеариновая кислота Octadecanoic кислоты (С18: 0)

Welcome to Hangzhou kAIFU Chemical Corp.,Ltd. Don't be hesitate to contact with me!! Maria wait you, just call me 008615168240159 Stearic Acid Octadecanoic acid(C18:0): I. Characteristics Stearic acid (first syllable pronounced either steer or stair) or 18:0 is a saturated fatty acid with the formal IUPAC name octadecanoic acid. It is a waxy solid, and its chemical formula is C18H36O2, or CH3(CH2)16COOH. Its name comes from the Greek word stéar (genitive: stéatos), which means tallow. The salts and esters of stearic acid are called stearates. II. Index Item Specification Grade 200 400 800 Iodinevalue,g/100g 2.0max 4.0max 8.0max Saponvalue,mg/g 206-211 203-214 193-220 Acidvalue,mg/g 205-210 202-212 192-218 Color,Hazen 200max 400max 400max Titer,ºC 54-57 54min 52min Moisture,% 0.2max 0.2max 0.3max Inorganic,% 0.001max 0.001max 0.001max III. Application 1.Stearicacidisusefulasaningredientinmakingcandles,plastics,dietarysupplements, oilpastelsandcosmetics,andforsofteningrubber.Itisusedtohardensoaps,particularlythose madewithvegetableoil. 2.Stearicacidisalsousedasapartingcompoundwhenmakingplastercastingsfromaplaster piecemoldorwastemoldandwhenmakingthemoldfromashellackedclayoriginal.Inthisuse, powderedstearicacidisdissolvedinwaterandthesolutionisbrushedontothesurfacetobe partedaftercasting.Thisreactswiththecalciumintheplastertoformathinlayerofcalcium stearatewhichfunctionsasareleaseagent. 3.Estersofstearicacidwithethyleneglycol,glycolstearateandglycoldistearate,areusedto produceapearlyeffectinshampoos,soaps,andothercosmeticproducts.Theyareaddedtothe productinmoltenformandallowedtocrystallizeundercontrolledconditions. 4.Infireworks,stearicacidisoftenusedtocoatmetalpowderssuchasaluminiumandiron.This preventsoxidation,allowingcompositionstobestoredforalongerperiodoftime.. 5.Itisusedalongwithsimplesugarorcornsyrupasahardenerincandies. 6.Itisusedwithzincaszincstearateasfanningpowderforcardstodeliversmoothfanningmotion. 7.Stearicacidisoneofmostcommonlyusedlubricantsduringinjectionmoldingandpressingofceramicpowders. 8.Stearicacidservesasanepilame(orbarrierfilm)treatment,appliedtoprecisionmechanical componentstomodifythesurfacepropertiestoreducethespreading(orcreep)ofsubsequently-appliedlubricantfilms. CAUTIONS: Any interest, please contact me freely! We will do our utmost to offer you the best service with competitive price and high quality!