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别名:m-Cresol purple, m-Cresolsulfonphthalein, 2′,2′′-Dimethylphenolsulfonphthalein

Empirical Formula (Hill Notation):C21H18O5S

CAS号:2303-01-7

分子量:382.43

MDL编号:MFCD00005871

EC索引号:218-960-6

属性
质量水平
200

缺失
≤1% loss on drying, 110°C

颜色
dark red to olive green

visual transition interval
1.2-2.8, pink to yellow(1st transition range)
7.4-9.0, brownish-yellow to violet(2nd transition range)

堆积密度
480 kg/m3

储存温度
2-30°C

InChI
1S/C21H18O5S/c1-13-11-15(22)7-9-17(13)21(18-10-8-16(23)12-14(18)2)19-5-3-4-6-20(19)27(24,25)26-21/h3-12,22-23H,1-2H3

InChI key
OLQIKGSZDTXODA-UHFFFAOYSA-N

说明
分析说明
Appearance (color): dark red to olive green
1st transition range: pH 1.2 - pH 2.8pink - yellow
2nd transition range: pH 7.4 - pH 9.0brownish yellow - violet
Appearance of solution: conforms
Loss on drying (110?°C): ≤ 1

安全信息
储存分类代码
11 - Combustible Solids

WGK
WGK 3

闪点(°F)
Not applicable

闪点(°C)
Not applicable