Azur II eosinate, powder, Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY
Danger

Synonyms: Azure II eosin, Dipotassium 7-(dimethylamino)-N,N-dimethylphenothiazin-3-iminium N,N-dimethyl-7-(methylamino)phenothiazin-3-iminium eosin YS(2-) dichloride

M-Clarity™ quality level = MQ100

200220-100G 200220-25G
200220-100GEA 281 GBP
200220-100G 200220-25G
Azur II eosinate, powder, Sigma-Aldrich®
Azur II eosinate

Chief ingredient of Giemsa Stain.

Formula: C₅₁H₄₀Br₄Cl₂N₆Na₂O₅S₂
MW: 1317,534 g/mol
Storage Temperature: Room Temperature
MDL Number: MFCD00084753
CAS Number: 53092-85-6
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Specification Test Results

Appearance (Form) Powder
Infrared spectrum Conforms to Structure
Wavelength C=0.005 G/L Methanol 645 - 655 nm
Extinction Coefficient ≥49440
Wavelength 243 - 247 nm
Solubility (Turbidity) Hazy to Turbid
Solubility (Color) Dark Blue

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