114553
百里酚酞
ACS reagent, Dye content 95 %
别名:
5′,5′′-二异丙基-2′,2′′-二甲基酚酞
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关于此项目
经验公式（希尔记法）:
C28H30O4
化学文摘社编号:
分子量:
430.54
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
204-729-7
Beilstein/REAXYS Number:
359413
MDL number:
产品名称
百里酚酞, ACS reagent, Dye content 95 %
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
SMILES string
CC(C)c1cc(c(C)cc1O)C2(OC(=O)c3ccccc23)c4cc(C(C)C)c(O)cc4C
grade
ACS reagent
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
Quality Level
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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。
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。
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)
American Chemical Society, American Chemical Society. Committee on Analytical Reagents
Reagent Chemicals: Specifications and Procedures (2006)
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