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Merck
CN

C85778

Sigma-Aldrich

邻甲酚酞

Indicator grade, powder

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About This Item

经验公式(希尔记法):
C22H18O4
CAS号:
分子量:
346.38
Beilstein:
310554
EC 号:
MDL编号:
UNSPSC代码:
12171500
PubChem化学物质编号:
NACRES:
NA.47

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)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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J E Van Nuwenborg et al.
European journal of clinical chemistry and clinical biochemistry : journal of the Forum of European Clinical Chemistry Societies, 35(4), 297-300 (1997-04-01)
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1,25-Dihydroxyvitamin D3 increases in vitro vascular calcification by modulating secretion of endogenous parathyroid hormone-related peptide.
Jono S, et al.
Circulation, 98, 1302-1302 (1998)

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