中文同义词:
百里香酚磺酞;百里香酚兰;百里香酚蓝;麝香草酚磺酞;百里香酚磺钛;麝香草酚磺钛;百里酚兰;瑞香酚兰
英文同义词:
THYMOLSULFONEPHTHALEIN;THYMOL BLUE TS;THYMOLSULFONPHTHALEIN;THYMOL BLUE ETHANOL (50);THYMOL BLUE INDICATOR SOLUTION;THYMOL BLUE;TB;S NO 879
相关类别:
试剂;生化试剂-色素类;化工原料-1;化工原料;化学试剂;滴定指示剂;分析试剂;酸碱指示剂;细胞染色剂;微生物;专业试剂;色素类;滴定;Sulfonephthalein;生化试剂;化学试剂;有机化工原料;分析纯;Analytical Chemistry;Indicator (pH);pH Indicators
熔点
221-224 °C (dec.) (lit.)
沸点
539.4°C (rough estimate)
密度
1.1413 (rough estimate)
酸度系数(pKa)
Pka1:1.65(at 25℃)(PH=1.2 to 2.8) Pka2:8.9(at 25℃)(PH=8.0 to 9.6)
颜色
Dark green to dark brown
气味 (Odor)
Characteristic odour
酸碱指示剂变色ph值范围
1.2(red)-2.8(yellow) 8(yellow)-9.6(blue)
水溶解性
Soluble in alcohol and dilute alkali solutions. Insoluble in water.
最大波长(λmax)
594nm, 376nm, 544nm, 430nm
稳定性
Stable. Combustible. Dust may form an explosive mixture with air. Incompatible with strong oxidizing agents.
主要应用
Display device, semiconductors, sensors, fuel cells, antimisting coating for glass, toys, corrosion inhibitor, multi-level alert system, correction fluid, textiles, falsification-proof security paper, packaging system, measurement of hydrogen ion concentrationin swimming pool water, humidity-indicating agent, diapers, cosmetics, biostatic materials, determine bacteria growth, psychoactive drugs, antidepressant drugs, dental impression material
CAS 数据库
76-61-9(CAS DataBase Reference)
NIST化学物质信息
Thymolsulfonephthalein(76-61-9)
EPA化学物质信息
Phenol, 4,4-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)- (76-61-9)
用途
酸碱指示剂，pH1.2(红)～ 2.8(黄)，8.0(黄)～9.6(蓝)
用途
酸碱指示剂。pH变色范围8.0(黄)～9.6(蓝)。吸附指示剂。
生产方法
1.由百里酚与邻磺基苯甲酸酐缩合制得。
2. 将苯磺酸酐、百里酚、无水氯化锌混合后，加热，加水稀释后再进行水蒸气蒸馏，除去未反应的百里酚，冷却后即得到百里酚蓝。
3. 将邻磺酰苯甲酰酐、百里酚、无水氯化锌混合，在搅拌下加热至105～110℃，进行反应：
反应结束后加水稀释并加热，蒸出未反应的百里酚，冷却结晶，过滤。用少量乙醇洗涤结晶，进一步除去百里酚后，于空气中干燥即可。
