Description

Alizarin red S (C.I. 58005) pure(25g)

Alizarin red S (C.I. 58005) pure(25g)

BRAND: BIOFROXX

UNIT: 25g

Product number: LC-10579
Synonym(s): 3,4-Dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium salt, Alizarin Carmine
Formula: C14H7NaO7S
Molecular weight: 342,26 g/mol
CAS number: 130-22-3
Storage: below 25°C
Retest period (months): 48
Parameter Specification
Appearance: yellow powder
Transition range: pH 4.3 – pH 6.3: brilliant yellow – pink pH 9.4 – pH 12.0: brown orange – violett
Solubility: 0.1 % (distilled clear solution
Absorptivity: 1%, 1cm (0.1 N NaOH) at λmax 554.2 nm: min. 350
Loss on drying at 110°C: max. 5 %

MSDS_LC-10579_Alizarin red S (C.I. 58005) pure

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