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  8. Thermo Scientific Chemicals o-Cresolphthalein complexone, indicator grade

Thermo Scientific Chemicals o-Cresolphthalein complexone, indicator grade

Numéro de catalogue. AAL0385914
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AAL0385914 25 g
AAL0385903 1 g
AAL0385906 5 g
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Numéro de catalogue. AAL0385914 Fournisseur Thermo Scientific Chemicals Code fournisseur L0385914
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Description

CAS: 2411-89-4 | C32H32N2O12 | 636.61 g/mol

Indicator for complexometric titration of Mg, Ca, Sr and Ba. It is used as an alkaline earth metal ion indicator. Suggested to be colorless at pH 11, but turns pink in the presence of alkaline earth metals. Also utilized in an auto analyzer to determine serum calcium.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Indicator for complexometric titration of Mg, Ca, Sr and Ba. It is used as an alkaline earth metal ion indicator. Suggested to be colorless at pH 11, but turns pink in the presence of alkaline earth metals. Also utilized in an auto analyzer to determine serum calcium.

Solubility
Soluble in NaOH (50 mg/ml), aqueous ammonia, and organic solvents. Insoluble in water.

Notes
Store away from strong oxidizing agents. Keep container tightly closed. Store in cool, dry conditions in well sealed containers.

Identifiants chimiques

CAS 2411-89-4
Molecular Formula C32H32N2O12
Molecular Weight (g/mol) 636.61
MDL Number MFCD00005911
InChI Key IYZPEGVSBUNMBE-UHFFFAOYSA-N
Synonym o-cresolphthalein complexone, phthalein purple, cresolphthalexon, o-cresolphthalexon, phthalein complexon, o-cresolphthalein complexon, cresolphthalein complexon, metal phthalein, cresolphthalein complexone, unii-a4p6737i7f
PubChem CID 75485
IUPAC Name 2-[[5-[1-[3-[[bis(carboxymethyl)amino]methyl]-4-hydroxy-5-methylphenyl]-3-oxo-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl]methyl-(carboxymethyl)amino]acetic acid
SMILES CC1=CC(=CC(CN(CC(O)=O)CC(O)=O)=C1O)C1(OC(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(CN(CC(O)=O)CC(O)=O)=C1

Spécifications

Melting Point ∽198°C (decomposition)
Quantity 25 g
Beilstein 381994
Solubility Information Soluble in NaOH (50mg/ml),aqueous ammonia,and organic solvents. Insoluble in water.
Formula Weight 636.62
Grade Indicator
Chemical Name or Material o-Cresolphthalein complexone

Sécurité et manipulation

EINECSNumber 219-318-8
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only