溴甲酚绿 ,ACS

ARomocresol green
别名: 溴甲酚蓝,四溴间甲酚磺酚酞,3,3′,5,5′-四溴间甲酚磺酸酚酞
Cas号: 76-60-8 物化性质:
分子式: C21H14Br4O5S 熔点:
分子量: 698.013862133026 沸点:
EINECS编号: 200-972-8 密度:
MDL号: 储存条件: RT

  
中文名称:溴甲酚绿  
英文名称:Bromocresolgreen;Bromocresolgreensodiumsalt;3,3′,5,5′-Tetrabromo-m-cresolsulfonaphthalein  
其他名称:溴甲酚蓝;四溴间甲酚磺酚酞;3,3′,5,5′-四溴间甲酚磺酸酚酞  
CAS号:76-60-8  
C21H14Br4O5S=698.02  
级别:ACS
pH变色域:3.8(黄绿)~5.4(蓝)  
干燥失重:≤3.0%  
乙醇溶解试验:合格  
质量吸收系数α1(λ1,pH3.8)/(L/cm•g):24.0~28.0  
质量吸收系数α2(λ2,pH5.4)/(L/cm•g):53.0~68.0  
灼烧残渣:≤0.25%  
最大吸收波长λ1(pH3.8)/(nm):440~445  
最大吸收波长λ2(pH5.4)/(nm):615~618  
性状(以下信息仅供参考):米黄色或浅绿色结晶。易溶于乙醇、乙醚和乙酸乙酯,溶于苯,微溶于水。熔点218~219℃。最大吸收波长423nm  
用途:本品仅供科研,不得用于其它用途。(以下用途仅供参考)酸碱指示剂,比色测定酸碱度时常用其钠盐  
保存:RT
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溴甲酚绿
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