grade
ACS reagent
Quality Segment
form
solid
composition
Dye content, 95%
clarity of soln
passes test
technique(s)
titration: suitable
visual transition interval
8.8-10.5, colorless to blue
mp
251-253 °C (lit.)
λmax
396 nm (2nd), 592 nm
SMILES string
CC(C)c1cc(c(C)cc1O)C2(OC(=O)c3ccccc23)c4cc(C(C)C)c(O)cc4C
InChI
1S/C28H30O4/c1-15(2)20-13-23(17(5)11-25(20)29)28(22-10-8-7-9-19(22)27(31)32-28)24-14-21(16(3)4)26(30)12-18(24)6/h7-16,29-30H,1-6H3
InChI key
LDKDGDIWEUUXSH-UHFFFAOYSA-N
General description
百里酚酞(5'5'-二异丙基2' 2'-二甲基酚酞)是一种酸碱指示剂,在pH值低于8.5的溶液中为无色,在pH值高于9.5的溶液中为蓝色。百里酚酞已被用作高碘酸盐-硫代硫酸盐反应的指示剂。
Application
在[14 C] 尿素呼气试验中,百里酚酞已被用作pH 指示剂 ,以确定 CO2收集器何时满。
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存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)