Thermo Scientific Chemicals Alizarin Complexone Dihydrate, Indicator Grade

Description

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

Indicator

Specifications

• Absorbance: 0.42 min. (lambda max, after 1 hr.) (2mL of a 0.2% soln. in 0.02M NaOH + 5mL acetate buffer (pH 5.1) diluted with H2O to 100mL), (1cm cell vs. water)
• Melting Point: 180.0°C to 185.0°C
• Solubility Information: Solubility in water: slightly soluble (0.2g/L). Other solubilities: soluble in aqueous alkali, insoluble in alcohol and ether
• Infrared Spectrum: Authentic
• IUPAC Name: 2-[carboxymethyl-[(3,4-dihydroxy-9,10-dioxoanthracen-2-yl)methyl]amino]acetic acid;dihydrate
• Lambda Max: 425 to 430nm
• Formula Weight: 421.35
• Percent Purity: 97 to 103% (on dry substance)
• Grade: Pure
• Packaging: Glass bottle
• Color: Brown to Yellow
• Quantity: 1 g
• Physical Form: Powder
• Chemical Name or Material: Alizarin Complexone dihydrate

RUO – Research Use Only