Hematoxylin hydrate, orange powder C.I. 75290
Supplier: MP BIOMEDICALS (FKA ICN BIOMED
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Warning
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Hematoxylin is Gill’s Formulation 2; a nuclear counter stain of blue-violet color. It is extracted from the heartwood of the logwood tree.
When oxidized it forms haematein, a compound that forms strongly coloured complexes with certain metal ions, the most notable ones being Fe(III) and Al(III) salts. Metal-haematein complexes are used to stain cell nuclei prior to examination under a microscope. Structures that stain with iron- or aluminium-haematein are often called basophilic, even though the mechanism of the staining is different from that of staining with basic dyes.
Used as a nuclear stain in cytology and histology applications.
Soluble in ethanol (20 mg/ml); hot water.
Hematoxylin is Gill′s Formulation 2; a nuclear counter stain of blue-violet color. It is extracted from the heartwood of the logwood tree. When oxidized it forms haematein, a compound that forms strongly coloured complexes with certain metal ions, the most notable ones being Fe(III) and Al(III) salts. Metal-haematein complexes are used to stain cell nuclei prior to examination under a microscope. Structures that stain with iron- or aluminium-haematein are often called basophilic, even though the mechanism of the staining is different from that of staining with basic dyes.
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Formula:
C₁₆H₁₄O₆·xH₂O Melting Pt: 229…231 °C (lit.) Storage Temperature: Ambient |
MDL Number:
MFCD00078111 CAS Number: 517-28-2 |
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Specification Test Results
| Identity Test | Passes |
| UV/VIS: l max (meOH) | 290 - 292 nm |
| Loss on Drying | Report Result |
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