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Alizarin red S (sodium salt), AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent (C.I. 58005)

Supplier: VWR Chemicals

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86156.150EA 0 INR InStock
86156.150 86156.180
Alizarin red S (sodium salt), AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent (C.I. 58005)
Alizarin Red S (sodium salt)


Formula: C₁₄H₇NaO₇S·1H₂O
MW: 342.26 g/mol (anhy)
 MDL Number: MFCD00013049
CAS Number: 130-22-3
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Specification Test Results
pH Range (Yellow to Purple-Red) 3.7 - 5.2
Identity (IR-Spectrum) Passes Test
Insoluble in Water Passes Test
Absorption Maximum λ1 (NaOH 0.1 M) 592 - 596
Absorption Maximum λ2 (NaOH 0.1 M) 553 - 558
Absorptivity (A1%/1 cm; λ max. 1, NaOH 0.1 M) 305 - 480
Absorptivity (A1%/1 cm; λ max. 2, NaOH 0.1 M) 330 - 520
Related Substances (TLC) Passes Test
Loss on Drying (135 °C) ≤5.0
Suitability for Microscopy Passes Test
Sensitivity to Aluminium Passes Test

 

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