CAS:2226-96-2
2226-96-2
CAS号：2226-96-2
品名：阻聚剂7014-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy
中文别名：4-羟基-TEMPO;哌啶醇氧化物;4-羟基哌啶醇氧自由基;4-羟基-2,2,6,6-四甲基哌啶-1-氧自由基;4-羟基-2,2,6,6-四甲基哌啶1-氧基自由基;阻聚剂ZJ-701;4-羟基-2,2,6,6,-四甲基-4-哌啶基氧自由基;4-羟基-2,2,6,6-四甲基哌啶氮氧自由基;氮氧自由基哌啶醇;
英文别名：4-hydroxy-2,2,6,6-tetramethyl-piperidinyloxy;4-Oxypiperidol;NR-I;4-Hydroxy-2,2,6,6-te;4-hydroxy-2,2,6,6-tetramethylpiperidine-1-oxy;4-OH-TEMPO;4-Hydroxy-TEMPO;2,2,6,6-Tetramethyl-4-hydroxy-1-piperidinyloxyradical;nr1;4-hydroxy-2,2,6,6-tetramethylpiperidinyloxy,freeradical;4-hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl;4-Hydroxy-2,2,6,6-tetramethylpiperidine1-oxylfreeradical;TMPN;4-Hydroxy-2,2,6,6-tetramethylpiperidine1-oxyl,TEMPOL;4-Hydroxy-TEMPOFreeRadical;TEMPOL;4-hydroxy-2,2,6,6-tetramethylpiperidinoxyradical;Tanol;nitroxyl2;HYDROXY-TEMPO;4-Hydroxy-2,2,6,6-tetramethyl-1-piperidin-1-yloxy,freeradical;
分子式：C9H18NO2
分子量：172.245
精确质量：172.134
Psa：23.47
RTECS号：TN8991000
BRN号：1422990
EINECS号：218-760-9
MDL号：MFCD00006478
PubChem号：24850555
外观与性状：橙色晶体
密度：1.187 g/cm3
沸点：269ºC
熔点：69-71°C(lit.)
稳定性：Stable. Incompatible with strong oxidizing agents.
储存条件：2-8ºC
安全说明：S26-S36-S37/39
危险类别码：R22; R36/38
WGK Germany：1
海关编码：29333999
危险品标志：Xn
信号词：Warning
危险性防范说明：P261; P305 + P351 + P338
危险标志：GHS07
危险性描述：H302; H315; H319; H335
简介：4-Hydroxy-TEMPOorTEMPOL,formally4-hydroxy-2,2,6,6-tetramethylpiperidin-1-oxyl,isaheterocycliccompound.LiketherelatedTEMPO,itisusedasacatalystandchemicaloxidantbyvirtueofbeingastableradical.ItsmajorappealoverTEMPOisthatislessexpensive,beingproducedfromtriacetoneamine,whichisitselfmadeviathecondensationofacetoneandammonia.Thismakesiteconomicallyviableonanindustrialscale.
用途：该品对丙烯酸酯类、甲基丙烯酸酯类、丙烯酸、丙烯腈、苯乙烯、丁二烯有较好的阻聚效果。其阻聚性能优于酚类、芳胺类、醚类、醌类和硝基化合物等阻聚剂。用于防止烯烃单体在生产、分离、精制、储存或者运输过程中的自聚,控制和调节烯烃类及其衍生物的聚合度
哌啶
