
Indicators & stains
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
- Article code
- 02930
- CAS
- 573-58-0
- Grade
- For Microscopy
- Category
- Indicators & stains
Specification and availability are confirmed by Chemical Suppliers when you inquire. Product details are attached to your request automatically.
Properties
- Article No.
- 02930
- Grade
- For Microscopy
- CAS No.
- 573-58-0
- Molecular Formula
- C32H22N6Na2O6S2
- Molecular Weight
- 696.65
- H.S. Code
- 3204.1421
- Shelf Life
- 60 Months
Product information
| Article No. | 02930 | Grade | For Microscopy |
| Purity | CAS No. | 573-58-0 | |
| Molecular Formula | C32H22N6Na2O6S2 | Molecular Weight | 696.65 |
| H.S. Code | 3204.1421 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Brownish red powder |
| Odour | Odorless | pH value | 8-9.5 |
| Solubility in water [% weight] | Soluble in water |
Specifications
| 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 drying (at 110°C) | Max 5.0% |
| Sensitivity test | Passes test |
Packaging options
- 25 g (00025)
- 100 g (00100)
- 1000 g (01000)
Details
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 MSDS DE EN FR KO PT ES TH TR COAs Packings 25 g (00025) 100 g (00100) 1000 g (01000) Print friendly version Article No. 02930 Grade For Microscopy Purity CAS No. 573-58-0 Molecular Formula C 3 2 H 2 2 N 6 Na 2 O 6 S 2 Molecular Weight 696.65 H.S. Code 3204.1421 Shelf Life 60 Months Physical Properties Physical state at 20 °C Solid Colour Brownish red powder Odour Odorless pH value 8-9.5 Solubility in water [% weight] Soluble in water Specifications 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 drying (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 Revision Date: 28-Sep-2016 Home Lab Chemicals Adsorption Indicators CONGO RED INDICATOR