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Merck

P5631

Sigma-Aldrich

邻甲酚酞络合酮

powder

别名:

二甲苯酞-双亚氨基二乙酸, 邻甲酚酞-3′,3′′-双甲基亚氨基二乙酸, 邻甲酚酞络合剂, 酞紫, 金属酞

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About This Item

经验公式(希尔记法):
C32H32N2O12
CAS号:
分子量:
636.60
Beilstein:
381994
EC號碼:
MDL號碼:
分類程式碼代碼:
12171500
PubChem物質ID:
NACRES:
NA.47

形狀

powder

品質等級

技術

titration: suitable

顏色

white to off-white

mp

181-185 °C (dec.) (lit.)

溶解度

methanol: 1 mg/mL

適合性

suitable for determination of calcium

應用

diagnostic assay manufacturing
hematology
histology

儲存溫度

room temp

SMILES 字串

Cc1cc(cc(CN(CC(O)=O)CC(O)=O)c1O)C2(OC(=O)c3ccccc23)c4cc(C)c(O)c(CN(CC(O)=O)CC(O)=O)c4

InChI

1S/C32H32N2O12/c1-17-7-21(9-19(29(17)43)11-33(13-25(35)36)14-26(37)38)32(24-6-4-3-5-23(24)31(45)46-32)22-8-18(2)30(44)20(10-22)12-34(15-27(39)40)16-28(41)42/h3-10,43-44H,11-16H2,1-2H3,(H,35,36)(H,37,38)(H,39,40)(H,41,42)

InChI 密鑰

IYZPEGVSBUNMBE-UHFFFAOYSA-N

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一般說明

邻甲酚酞络合酮(o-Cresolphthalein Complexone)是一种pH指示剂和(金属络合指示剂),常用于通过量热法检测血清中的钙含量。

應用

邻甲酚酞络合酮的应用包括,通过Ca2+和邻甲酚酞络合酮在碱性溶液中的反应检测血清样本中的钙含量。

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)


从最新的版本中选择一种:

分析证书(COA)

Lot/Batch Number

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J Toffaletti et al.
Clinical chemistry, 26(11), 1562-1565 (1980-10-01)
We adapted a method for dialyzable calcium from fluorometric detection by use of calcein to a more specific spectrophotometric determination with cresolphthalein complexone. The reagents are available commercially and perform satisfactorily with respect to noise level, drift, stability, and sensitivity.
Improved determination of serum calcium with 2-cresolphthalein complexone.
K Lorentz
Clinica chimica acta; international journal of clinical chemistry, 126(3), 327-334 (1982-12-23)
Improved linearity of the calcium-cresolphthalein complexone reaction with sodium acetate.
D M Cowley et al.
Clinical chemistry, 32(5), 894-895 (1986-05-01)
C M Corns et al.
Annals of clinical biochemistry, 24 ( Pt 4), 345-351 (1987-07-01)
The reasons for the non-linearity of the standard curve for the calcium-cresolphthalein complexone reaction have been investigated. Calcium forms both 1:1 and 2:1 complexes with cresolphthalein complexone; at low calcium concentrations the 1:1 complex predominates and causes non-linearity. At high
Sandra F Williams et al.
Mayo Clinic proceedings, 80(12), 1655-1657 (2005-12-14)
Severe hypocalcemia may require prompt intervention to avoid life-threatening consequences. We report a case in which a 78-year-old man had a critically low serum calcium level measured with use of standard colorimetric assay after gadodiamide administration during magnetic resonance angiography.

实验方案

Suitability for the Qualitative Determination of Calcium with Phthalein Purple (O-Cresophthalein Complexone) using Stannous Chloride

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