CONGO RED INDICATOR ACS |
| Article No. | 12995 | Grade | Microscopy | |
| Synonyms | Congo re 4B, Cosmos red, Cotton red B, Cotton red C, Direct red 28, Direct red R, Direct red Y | C.I. No. | 22120 | |
| CAS No. | 573-58-0 | Purity | — | |
| 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 | |
| Solubility | Soluble in water. | Odour | Odorless | |
| Specifications Parameters | ||||
| Description | Brownish red powder. | |||
| pH Transition range | pH 3.0 – 5.2
Violet – Orange Red |
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| Absorption maximum 1 (pH 3.0) | 563 – 568 nm | |||
| Absorption maximum 2 (pH 5.2) | 484 – 489 nm | |||
| Absorptivity (A1%/1 cm at 1, pH 3.0 on dried substance) | > 150 | |||
| Absorptivity (A1%/1 cm at 2, pH 5.2 on dried substance) | > 200 | |||
| Loss on drying (at 110°C) | Max. 5.0% | |||
| Properties | Congo red is used to stain microscopic preparates, specially as a cytoplasm and erythrocyte stain. | |||
| Note(s): 1] Assay (if applicable) method mentioned.
WARNING Hazard statements: May be harmful if swallowed. May damage fertility. Precautionary statements Prevention: Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Use personal protective equipment as required. Response: If exposed or concerned: Get medical attention advice. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. |
IMDG Code : —
UN No. : — IATA : — |
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| Disposal: Dispose of contents and container in accordance with relevant legislation. | ||||
| Hazard Pictogram(s) : — GHS08 | ||||
| Manufacturer | Auraiya Laboratory Chemicals Pvt Ltd | Net Packing | 25gm, 10x25gm, 100gm, 5x100gm, 10x100gm, 1 kg |
| Country of Origin | India | Website | www.auraiyalabchem.com |
| Item model number | 13065 | Order now | sales@auraiyalabchem.com |
| Packer | Auraiya Laboratory Chemicals Pvt Ltd | Contact us | +91 879 151 1893 |
| Importer | Auraiya Laboratory Chemicals Pvt Ltd | Customer Care | info@auraiyalabchem.com |
Date- 10.11.2024
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