COTTON BLUE (W.S.) FOR MICROSCOPY |
| Article No. | 13280 | Grade | Microscopy | |
| Synonyms | Acid blue 93, Aniline blue, Poirriers blue, Water Blue | C.I. No. | — | |
| CAS No. | 28983-56-4 | Purity | — | |
| Molecular Formula | C37H27N3O9S3Na2 | Molecular Weight | 799.80 | |
| H.S. Code | 3204.1251 | Shelf Life | 60 Months | |
| Physical Properties | ||||
| Physical state at 20 °C | Solid | Colour | Black | |
| Solubility | Soluble in water. | Odour | Odorless | |
| Specifications Parameters | ||||
| Description | Red to dark blue/dark blue to dark brown powder or crystals. | |||
| Dye content (By Titanometry) | > 60.0% | |||
| Visual pH Transition | pH 10.0 – Blue
pH 13.0 – Orange |
|||
| Absorption maxima (in 0.005M HCl) | 594 – 610 nm | |||
| Absorption Ratio
[(A λmax – 15 nm) / (A λmax + 15 nm)] |
0.96 – 1.09 | |||
| Absorptivity (A1%/1 cm at λmax 0.005M HCl) | 675 – 1125 | |||
| Suitability for microscopy | To pass the test. | |||
| Loss on drying (at 110°C) | Max. 5.0% | |||
| Properties | It is use with fuchsin acid as Mallory’s connective tissue stain visualizes chromosomes and cellulose walls in plant. | |||
| Note(s): 1] Assay (if applicable) method mentioned.
WARNING Hazard statements: May cause respiratory irritation. Causes skin irritation. Causes serious eye irritation. Precautionary statements Prevention: Avoid breathing dust/fume/gas/mist/vapours/spray. Wash thoroughly after handling. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. Response: IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If eye irritation persists: Get medical advice/attention. |
IMDG Code : —
UN No. : — IATA : — |
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| Disposal: Dissolve the chemical to be disposed, in water and allow it to run to waste, diluting with large quantities of water. | ||||
| Hazard Pictogram(s) : — GHS07 | ||||
| Manufacturer | Auraiya Laboratory Chemicals Pvt Ltd | Net Packing | 25g m, 4 x 25 gm, 100 gm, 5 x 100gm |
| Country of Origin | India | Website | www.auraiyalabchem.com |
| Item model number | 13280 | 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- 05.11.2024
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