319236
酚酞 溶液
0.5 wt. % in ethanol: water (1:1)
别名:
C20H14O4；酚酞；3,3-双(4-羟基苯基)-2-苯并呋喃-1-酮
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关于此项目
经验公式（希尔记法）:
C20H14O4
化学文摘社编号:
分子量:
318.32
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
284423
form
liquid
Quality Level
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
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
InChI key
KJFMBFZCATUALV-UHFFFAOYSA-N
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。
Application
酚酞试液已用于滴定法测定可滴定酸。
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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
危险化学品
此项目有
Cytokinin Treatment Modifies Litchi Fruit Pericarp Anatomy Leading to Reduced Susceptibility to Post-harvest Pericarp Browning
Fahima A, et al.
Plant Science (2019)
Charu Maini
Headstart Science (CCE), 7 (2017)
Physical Chemistry: Understanding our Chemical World (2008)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 319236-100ML | 04061826694701 |