CONGO RED INDICATOR FOR MICROSCOPY
C.I.No.22120 Congo red is used to stain microscopic preparates, especially as a cytoplasm and erythrocyte stain. Congo Red 4B, Cosmos Red, Cotton Red B, Cotton Red C, Direct Red 28, Direct Red R, Direct Red Y
| Product Code | B-00844 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | FOR MICROSCOPY | CAS No | 573-58-0 |
| Purity | Min:90 % | Molecular Weight | 696.99 |
| H.S.Code | 3204.14210 | Shelf Life | 60 Months |
| Molecular Formula | C32H22N6Na2O6S2 |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Brownish red powder |
|---|---|---|---|
| Solubility in water [% weight] | Soluble in water | pH Value | 8 - 9.5 |
| Odour | Odorless |
Packaging
Specification
| Appearance | Brownish red powder |
| Appearance of solution (1.0 g/L; water) | almost clear to slightly turbid , red solution |
| Transition range at pH 3.0 to pH 5.2 | Violet to orange red |
| Loss on dryig (at 110°C) | Max 5.0% |
| Sensitivity test | Passes test |
Safety Information and Hazard Symbols
Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H350-H361d
Precaution Statement: P201-P281-P308 + P313