L-色氨酸食品级 氨基酸 营养强化剂 食品级色氨酸 食品添加剂 新品

L-色氨酸化学性质熔点:289-290°C(dec.)(lit.)比旋光度:-31.1º(c=1,H20)沸点:342.72°C(roughestimate)堆积密度:400kg/m3密度:1.34折射率:-32°(C=1,H2O)储存条件:2-8°C溶解度:20%NH3:0.1g/mLat20°C,clear,colorless酸度系数(pKa):2.46(at25℃)形态:powder颜色:Whitetoyellow-white气味(Odor):wh.cryst.orcryst.odorlesspowd.,sl.bittertastePH值:5.5-7.0(10g/l,H2O,20℃)旋光度(OpticalRotation):[α]20/D31.5±1°,c=1%inH2O生物来源:non-animalsource水溶解性:11.4g/L(25ºC)比热容:Cp(crystal):1.17J/(g·K),at25℃Merck:14,9797BRN:86197稳定性:Stable.Incompatiblewithstrongacids,strongoxidizingagents.化妆品成分功效:HAIRCONDITIONINGANTISTATICFRAGRANCEInChI:1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15)/t9-/m0/s1InChIKey:QIVBCDIJIAJPQS-VIFPVBQESA-NSMILES:N[C@@H](Cc1c[nH]c2ccccc12)C(O)=OLogP:0.704(est)CAS数据库:73-22-3(CASDataBaseReference)NIST化学物质信息:L-Tryptophan(73-22-3)EPA化学物质信息:L-Tryptophan(73-22-3)Absorption:cut-offat326nmin0.5MHClat0.5M