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P5631

Sigma-Aldrich

o-Cresolphthalein Complexone

powder

Sinônimo(s):

o-Cresolphthalein-3′,3′′-bis-methyleneiminodiacetic acid, o-Cresolphthalexon, Metal phthalein, Phthalein purple, Xylenylphthalein-bisiminodiacetic acid

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About This Item

Fórmula empírica (Notação de Hill):
C32H32N2O12
Número CAS:
2411-89-4
Peso molecular:
636.60
Beilstein:
381994
Número CE:
219-318-8
Número MDL:
MFCD00005911
Código UNSPSC:
12171500
ID de substância PubChem:
24898682
NACRES:
NA.47

forma

powder

Nível de qualidade

200

cor

white to off-white

pf

181-185 °C (dec.) (lit.)

solubilidade

methanol: 1 mg/mL

adequação

suitable for determination of calcium

aplicação(ões)

diagnostic assay manufacturing
hematology
histology

temperatura de armazenamento

room temp

cadeia de caracteres SMILES

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)

chave InChI

IYZPEGVSBUNMBE-UHFFFAOYSA-N

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Descrição geral

o-Cresolphthalein Complexone is a pH indicator dye commonly used for the calorimetric determination of calcium in serum.

Aplicação

o-Cresolphthalein Complexone has been used in the estimation of calcium in serum samples based on the reaction of Ca2+ with o-cresolphthalein complexone in an alkaline solution.

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

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Certificados de análise (COA)

Lot/Batch Number
WXBF4083V
WXBF1358V
SHBQ7561
0000256524
0000291210

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Cloreto de magnésio puriss., meets analytical specification of Ph. Eur., BP, FCC, E511, 99-101%, ≤0.0001% Al

Sigma-Aldrich

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Cloreto de magnésio

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
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.
James H Wible et al.
Radiology, 233(1), 158-164 (2004-09-30)
To measure serum calcium concentration with three different analytic methods after administration of gadoversetamide and three other gadolinium chelates in dogs. Six dogs were injected with 0.1-, 0.3-, 1.0-, and 3.0-mmol/kg doses of gadoversetamide; 1.0-mmol/kg doses of gadodiamide, gadopentetate, and
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.
M A Koupparis et al.
Clinical chemistry, 28(10), 2149-2152 (1982-10-01)
We describe the measurement of total calcium and magnesium in serum with an automated microcomputer-controlled stopped-flow analyzer. The calcium method is based on the cresolphthalein complexone procedure, with 2-amino-3-methyl-1-propanol as the alkalinizing agent. The assay, performed on 60-fold prediluted samples
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