产品名称
酚酞 溶液, 0.5 wt. % in ethanol: water (1:1)
InChI key
KJFMBFZCATUALV-UHFFFAOYSA-N
SMILES string
Oc1ccc(cc1)C2(OC(=O)c3ccccc23)c4ccc(O)cc4
InChI
1S/C20H14O4/c21-15-9-5-13(6-10-15)20(14-7-11-16(22)12-8-14)18-4-2-1-3-17(18)19(23)24-20/h1-12,21-22H
form
liquid
concentration
0.5 wt. % in ethanol: water (1:1)
technique(s)
titration: suitable
color
colorless
visual transition interval
8.0-10, colorless to red
mp
-35 °C
density
0.918 g/mL at 25 °C
λmax
552 nm
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
Quality Level
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Application
酚酞试液已用于滴定法测定可滴定酸。
General description
酚酞是一种酸碱指示剂。它是一种弱酸,在酸性溶液中无色,在碱性溶液中变成浅粉色。酚酞具有遗传毒性。它可能引起氧化损伤并与雌激素受体结合。
酚酞溶液是一种合成指示剂。在酸性和中性条件下无色。当酚酞加入到基底时,它呈粉红色,因此被认为是基底指示剂。
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 3
存储类别
3 - Flammable liquids
wgk
WGK 3
flash_point_f
75.2 °F - closed cup
flash_point_c
24 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
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