o-Cresolphthalein Complexone
97%
Reagent
Code: #157386
Alias
2-cresolphthalein complexing agent; phthalein violet; phthalein violet; metal phthalein; N,N'-[(3-oxo-1(3H)-isobenzofuranyl subunit]bis[(6-hydroxy-5-methyl-3,1-phenylene)methylene]bis[N-(carboxymethyl)glycine]
CAS Number
2411-89-4
science Other reagents with same CAS 2411-89-4
blur_circular Chemical Specifications
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Molecular Information
Weight
636.6 g/mol
Formula
C₃₂H₃₂N₂O₁₂
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Registry Numbers
EC Number
219-318-8
MDL Number
MFCD00005911
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Physical Properties
Melting Point
181-185 °C (dec.)(lit.)
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Storage & Handling
Density
1.515±0.06 g/cm3(Predicted)
Storage
2-8°C, Sealed
description Product Description
Used as a sensitive analytical reagent for the detection and quantification of calcium ions in biological and environmental samples. It forms a stable, colored complex with calcium, making it valuable in spectrophotometric and colorimetric assays. Commonly employed in clinical diagnostics for measuring calcium levels in serum and other bodily fluids. Also utilized in water hardness testing due to its selective response to calcium in the presence of other metal ions. Its high specificity and color change upon binding make it suitable for use in automated analyzers and test kits.
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