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
Beilstein/REAXYS Number:
284423
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
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
Phenolphthalein laxatives and risk of cancer
Coogan PF, et al.
Journal of the National Cancer Institute, 92(23), 1943-1944 (2000)
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)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 319236-100ML | 04061826694701 |