CAS:3147-14-6
3147-14-6
CAS号：3147-14-6
品名：钙镁试剂CALMAGITE
中文别名：1-(1-羟基-4-甲基-2-苯基偶氮)-2-萘酚-4-磺酸;1-(1-羟基-4-甲基-2-苯偶氮)-2-萘酚-4-磺酸;
英文别名：3-hydroxy-4-[(2-hydroxy-5-methyl-1-phenyl)azo]-1-naphthalenesulfonicacid;3-hydroxy-4-(6-hydroxy-m-tolylazo)naphthalene-1-sulfonicacid;CalmagiteIndicatorGr;1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonicAcid;CalMagite[Metalindicator,Mgetc.];1-(1-Hydroxy-4-methyl-2-phenylazo)-naphthol-(2)-sulfonsaeure-(4);Caimagite;CALMAGITEINDICATOR;Calmagitesolution;1-(1-hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonicacid;3-hydroxy-4-(2-hydroxy-5-methylphenylazo)naphthalene-1-sulfonicacid;CALMAGITZ.ANALYSE;
分子式：C17H14N2O5S
分子量：358.368
精确质量：358.062
Psa：127.93
MDL号：MFCD00011656
外观与性状：暗棕色结晶粉末
密度：1.48 g/cm3
熔点：300ºC
折射率：1.682
稳定性：Stable. Incompatible with strong oxidizing agents.
储存条件：Store at RT.
安全说明：S24/25
危险类别码：R36/37/38
海关编码：2927000090
危险品标志：Xi
简介：Calmagiteisacomplexometricindicatorusedinanalyticalchemistrytoidentifythepresenceofmetalionsinsolution.Aswithothermetalionindicatorscalmagitewillchangecolorwhenitisboundtoanion.Calmagitewillbewineredwhenitisboundtoametalionandmaybeblue,red,ororangewhenitisnotboundtoametalion.CalmagiteisoftenusedinconjunctionwithEDTA,astrongermetalbindingagent.Thischemicalisalsousedinthequantitationofmagnesiumintheclinicallaboratory.
用途：用作在pH值10的条件下用EDTA滴定Ca2+、Mg2+的指示剂,终点由红变蓝。
滴定
