溴甲酚紫|115-40-2
- Molecular Structure:
- Name:
- 溴甲酚紫|115-40-2
- Cas:
- 115-40-2
- Formula:
- C21H16Br2O5S
- Page View:
- Upload Time:
- 2019-02-13 09:47:29
- Features:
中文名称:溴甲酚紫
中文别名:溴甲酚紫; 二溴邻甲酚磺酜酞; 溴甲酚红; 溴甲酚紅; 二溴邻甲酚磺酰酞;
英文名称:bromocresol purple
英文别名:Bromocresol Purple; 5,5'-Dibromo-o-cresolsulfonphthalein; Phenol, 4,4‘-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-6-methyl-, S,S-dioxide; 2-bromo-4-[3-(3-bromo-4-hydroxy-5-methylphenyl)-1,1-dioxo-2,1λ<sup>6</sup>-benzoxathiol-3-yl]-6-methylphenol; 3,3-Bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide;
CAS号:115-40-2
分子式:C21H16Br2O5S
分子量:540.22200
精确质量:537.90900
PSA:92.21000
LogP:6.33120
物化性质
外观与性状:紫色结晶粉末
密度:1
熔点:240 °C (dec.)(lit.)
沸点:590.2ºC at 760mmHg
闪点:36 °C
折射率:1.694
水溶解性:practically insoluble
稳定性:Stable. Incompatible with strong oxidizing agents.
储存条件:Store at RT.
蒸汽压:1.59E-14mmHg at 25°C
用途
1.酸碱指示剂,颜色变化由浅黄色至紫红色,变色范围的pH值为5.2-6.
8.用作薄层色谱法检测二元羟酸和卤素离子 ( 氟除外)的试剂。还用作光度法测定季铵阳离子的萃取剂。