Thermo Scientific Chemicals Calmagite, indicator grade

Description

Calmagite is widely used in analytical chemistry as an indicator in the titration of calcium or magnesium with ethylenediaminetetraacetic acid (EDTA). It is also useful in the determination of magnesium in biological materials.

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
Calmagite is widely used in analytical chemistry as an indicator in the titration of calcium or magnesium with ethylenediaminetetraacetic acid (EDTA). It is also useful in the determination of magnesium in biological materials.

Solubility
Soluble in water.

Notes
Store in cool place. Incompatible with strong oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 3147-14-6
• Molecular Formula: C17H14N2O5S
• Molecular Weight (g/mol): 358.368
• MDL Number: MFCD00011656
• InChI Key: ASFVMSDYPYMUFL-UHFFFAOYSA-N
• Synonym: 3-Hydroxy-4-(2-hydroxy-5-methylphenylazo)-1-naphthalenesulfonic acid
• PubChem CID: 6364506
• IUPAC Name: 4-[(2-hydroxy-5-methylphenyl)hydrazinylidene]-3-oxonaphthalene-1-sulfonic acid
• SMILES: CC1=CC(=C(C=C1)O)NN=C2C3=CC=CC=C3C(=CC2=O)S(=O)(=O)O

• Melting Point: >330°C
• Beilstein: 708596
• Merck Index: 14,1718
• Solubility Information: Soluble in water.
• Formula Weight: 358.37
• Grade: Indicator
• Quantity: 100 g
• Chemical Name or Material: Calmagite

RUO – Research Use Only