推荐产品
产品名称
邻甲酚酞, indicator grade
等级
indicator grade
质量水平
表单
powder
技术
titration: suitable
颜色
beige
pH值（酸碱度）
8.2-9.8, colorless to red
mp
219-221 °C (lit.)
λmax
381 nm (2nd)
566 nm
ε (消光系数)
≥10000 at 294-300 nm
≥39000 at 564-570 nm
≥5000 at 378-384 nm
应用
diagnostic assay manufacturing
hematology
histology
储存温度
room temp
SMILES字符串
Cc1cc(ccc1O)C2(OC(=O)c3ccccc23)c4ccc(O)c(C)c4
InChI
1S/C22H18O4/c1-13-11-15(7-9-19(13)23)22(16-8-10-20(24)14(2)12-16)18-6-4-3-5-17(18)21(25)26-22/h3-12,23-24H,1-2H3
InChI key
CPBJMKMKNCRKQB-UHFFFAOYSA-N
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应用
O -甲酚酞作为钙化介质中的组分用于钙化试验。
生化/生理作用
o -甲酚酞是一种可逆的 pH 指示剂。反向通路（红紫色至无色）的动力学是缓慢的，因此使其成为检查波纹壁管中流动模式的适当分子。也用于通过 o -甲酚酞络合酮方法比色测定钙含量。在碱性条件 (pH 10-12) 下，钙与 o -甲酚酞结合，形成红色复合物，在 570-575 nm 处有吸光度。
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
其他客户在看
Natalia Campos-Obando et al.
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Hyunseok Peter Kang et al.
Clinical chemistry, 50(4), 741-746 (2004-02-14)
Gadolinium formulations, which are administered as contrast agents in magnetic resonance imaging examinations, interfere with colorimetric serum calcium determinations. We performed an in vitro study to determine the extent to which three gadolinium formulations-gadodiamide (Omniscan), gadopentetate dimeglumine (Magnevist), and gadoversetamide
Flow visualization in parallel-plate ducts with corrugated walls.
Focke WW and Knibbe PG
Journal of Fluid Mechanics, 165 , 73-77 (1986)
P Sótonyi et al.
Histochemistry, 75(3), 425-436 (1982-01-01)
The ortho-cresolphtalein complex was successfully adapted for the electron microscopic cytochemical demonstration of calcium. The reaction product is of granular nature with sufficient electron density for finer localization. Intense precipitation was found on the sarcolemma and transverse tubules and in
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