吐温21吐温21，又名聚山梨醇酯21，常温下为淡黄色至黄色粘稠液体.溶于甲醇、乙醇、乙二醇、乙酸乙酯、玉米油、棉籽油、矿物油！具有乳化、稳定、扩散、润滑等性能，属O/W型乳化剂，HLB值13！3.成分：聚氧乙烯（4）山梨醇酐单月桂酸酯英文名称：Polyoxyethylene(4)SorbitanMonolaurate分子式：分子量：净含量/规格：见包装生产日期：见包装保质期：1年质量等级：合格品生产许可证号：粤XK13-217-00093贮存条件：阴凉、干燥、通风处，不得与有害物质混放.

　　Nevergiveanythingbymouthtoanunconsciousperson！Loosentightclothingsuchasacollar,tie,beltorwaistband！Getmedicalattentionifsymptomsappear。Section5:FireandExplosionDataFlammabilityoftheProduct:Maybecombustibleathightemperature！

　　Section9:PhysicalandChemicalPropertiesPhysicalstateandappearance:Liquid.MolecularWeight:1226g/moleColor:Yellow.PH(1%sol/water):5.5-7！5！BoilingPoint:100°C(212°F)Ionicity(inWater):Non-ionic。DispersionProperties:Seesolubilityinwater,methanol。

哪里有吐温21的区别

　　Section4:FirstAidMeasuresEyeContact:Checkforandremoveanycontactlenses.Incaseofcontact,immediatelyflusheyeswithplentyofwaterforatleast15minutes。Getmedicalattention!SkinContact:Washwithsoapandwater.Covertheirritatedskinwithanemollient.

　　FlashPoints:207°C(404.6°F).ProductsofCombustion:Theseproductsarecarbonoxides(CO,CO2)。FireHazardsinPresenceofVariousSubstances:Slightlyflammabletoflammableinpresenceofopenflamesandsparks,ofheat.Non-flammableinpresenceofshocks。

　　Getmedicalattentionifirritationdevelops!Inhalation:Ifinhaled,removetofreshair！Ifnotbreathing,giveartificialrespiration！Ifbreathingisdifficult,giveoxygen.Getmedicalattention.Ingestion:Donotinducevomitingunlessdirectedtodosobymedicalpersonnel！