Alizarin red S (sodium salt), AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent (C.I. 58005)
Supplier: VWR Chemicals
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Avg. Ratings: 0.0 out of 5
Synonyms:
Alizarin Red S sodium
, Sodium 3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulphonate
, C.I. 58005
, Alizarin sulphonic acid disodium salt
86156.180EA
229
GBP
86156.180
86156.150
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 |
MDL Number:
MFCD00013049 CAS Number: 130-22-3 |
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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