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Merck

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號碼:
MDL號碼:
分類程式碼代碼:
12171500
PubChem物質ID:
NACRES:
NA.47

product name

邻甲酚酞, indicator grade

等級

indicator grade

品質等級

形狀

powder

技術

titration: suitable

顏色

beige

pH值

8.2-9.8, colorless to red

mp

219-221 °C (lit.)

λmax

381 nm (2nd)
566 nm

&epsilon ;(消光係數)

≥10000 at 294-300 nm
≥39000 at 564-570 nm
≥5000 at 378-384 nm

應用

diagnostic assay manufacturing
hematology
histology

儲存溫度

room temp

SMILES 字串

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 密鑰

CPBJMKMKNCRKQB-UHFFFAOYSA-N

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應用

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。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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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
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)
We evaluated bias and inaccuracy of four frequently used routine test systems for serum total calcium, using a candidate reference method based on ion chromatography. The mean biases and 95% confidence intervals that we observed were 0.0 +/- 0.59% for
Diabetic vascular calcification mediated by the collagen receptor discoidin domain receptor 1 via the Phosphoinositide 3-Kinase/Akt/Runt-related transcription factor 2 signaling axis
Lino M, et al.
Arteriosclerosis, Thrombosis, and Vascular Biology, 38(8), 1878-1889 (2018)
Handbook on Metals in Clinical and Analytical Chemistry (1994)
Natalia Campos-Obando et al.
European journal of epidemiology (2018-05-17)
Hyperphosphatemia has been associated with increased mortality in chronic kidney disease but the nature of such a relation in the general population is unclear. To investigate the association between phosphate (P) levels and all-cause and cause-specific mortality, we assessed two

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