中文同义词:
邻甲酚呋酞;邻甲酚酞;邻甲酚酜酞;3,3-二甲酚酞;鄰甲苯酚酞;3,3-二甲基酚酞;3,3-双(4-羟基-3-甲基苯基)-1(3H)-异苯并呋喃酮;3,3-双(4-羟基-3-甲基苯基)-(3H)-异苯并呋喃酮
英文同义词:
3’,3’’-dimethyl-phenolphthalei;cresolphthalein;Di-o-Cresolphthalide;o-Cresolphalein;o-cresolphtaleine;3,3-bis(4-hydroxy-3-methylphenyl)-(3H)-Isobenzofuranone;3,3-bis(4-hydroxy-3-methylphenyl)-1(3h)-isobenzofuranon;3,3-Bis(4-hydroxy-3-methylphenyl)-1-(3H)-iso-benzofuranone
相关类别:
化学试剂;生化试剂-色素类;滴定指示剂;专业试剂;芳烃;分析试剂;色素类;Analytical Chemistry;Indicator (pH);有机原料;滴定;Phthalein;化工原料;生化试剂;其他原料;原料;试剂;酸碱指示剂;化学试剂;分析纯;指示剂;pH Indicators;CTitration;Indicators;pH Indicators - Solids;Stains and Dyes;StainsDyes, A to
沸点
401.12°C (rough estimate)
密度
1.1425 (rough estimate)
溶解度
Solubility Slightly soluble in water; soluble in ethanol
酸碱指示剂变色ph值范围
8.2 (colorless) - 9.8 (violet/red)
主要应用
Sensors, display device, photoresists, recording materials, imaging materials, authentication system for secure documents, decoder system, lithium cells, electroplating process, inks, markers, toners, correction fluid, paints, adhesives, floor coatings, gas leaking detector for safety in industries, toys, food storage, diapers, determination of calcium, lotions, urine analysis test strips, drugs, blood analysis
InChIKey
CPBJMKMKNCRKQB-UHFFFAOYSA-N
CAS 数据库
596-27-0(CAS DataBase Reference)
EPA化学物质信息
1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-3-methylphenyl)- (596-27-0)
化学性质
白色或红光黄色结晶粉末。熔点223℃,溶于乙醇、乙醚、冰醋酸,溶于稀碱呈紫色,微溶于水,难溶于苯。
用途
酸碱指示剂,变色范围pH8.2(无色)-9.8(红色)。
生产方法
由苯酐与邻甲苯缩合而得。将苯酐和邻甲酚混合加热熔化,在110℃加入无水氯化锌,并在110-115℃搅拌反应12-18h,通入蒸汽赶出剩余的邻甲酚。将所得粗品氢氧化钠溶液溶解,过滤。滤液用稀盐酸中和,得白色结晶即为成品。
危险类别码
40-36/37/38-20/21/22