C6277
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C6277
Sigma
Congo Red
certified by the Biological Stain Commission
| Synonym: | Congo Red 4B, Cosmos Red, Cotton Red B, Cotton Red C, Direct Red 28, Direct Red R, Direct Red Y |
| CAS Number: | 573-58-0 |
| Linear Formula: | C32H22N6Na2O6S2 |
| Molecular Weight: | 696.66 |
| Colour Index Number: | 22120 |
| Beilstein Registry Number: | 3894858 |
| EC Number: | 209-358-4 |
| MDL number: | MFCD00004028 |
| PubChem Substance ID: | 24892852 |
Description
| Suitability | Certified for use as a counterstain for alum based hematoxylin and in the Highman or the Churukian modification of Puchtler's amyloid stain. |
Properties
| grade | certified by the Biological Stain Commission |
| composition | Dye content, ≥85% |
| mp | >360 °C(lit.) |
Safety
| Personal Protective Equipment | Eyeshields, Gloves, type P2 (EN 143) respirator cartridges |
| Hazard Codes | T |
| Risk Statements | 45-63 |
| Safety Statements | 53-45 |
| WGK Germany | 3 |
| RTECS | QK1400000 |
References
| reference | Penny, DP et al, Analysis and testing of biological stains - The Biological Stain Commission Procedures Biotech. Histochem. 77(5&6), 237-275, (2002) |
| Merck | Merck 13,2524 |
| Beilstein | Beil. 16,I,342 |
| RegBook 1 (2), 2765:D / Sax 6, 2426 / Structure Index 1, 439:C:1 |
