Trypan Blue (C.I.23850) 25Grm
Trypan blue (C.I. 23850) for microscopy. CAS 72-57-1, pH 9.8 (10 g/l, H₂O, 20 °C).
Manufacturer: Merck
Catalog ID: 111732.0025
Stock: In Stock
Description
| Catalogue Number | 111732 |
| Synonyms | Benzamine blue, Tolidine-disazo-bis-8-amino-1-naphthol-3,6-disulfonic acid tetrasodium salt, 3,3'-Dimethyl-4,4'-bis(5-amino-4-hydroxy-2,7-disulfonaphthyl-3-azo)-[1,1'-biphenyl] tetrasodium salt |
| Description | TRYPAN BLUE (C.I. 23850) FOR MICROSCOPY |
| Overview | Trypan blue (C.I. 23850) is a dry dye for the preparation of a color staining solution, staining histological sample material of human origin, e.g. trichrome staining in collagenous connective tissue. The dye is a CE certified IVD product and has a constant dye content and a reliable high quality, which is one of the major precondition for a reproducible diagnostic staining. |
Product Information
| CAS number | 72-57-1 |
| EC index number | 611-030-00-4 |
| EC number | 200-786-7 |
| Hill Formula | C₃₄H₂₄N₆Na₄O₁₄S₄ |
| Molar Mass | 960.79 g/mol |
| HS Code | 3204 14 00 |
Applications
| Application | Trypan blue (C.I. 23850) for microscopy. CAS 72-57-1, pH 9.8 (10 g/l, H₂O, 20 °C). |
Physicochemical Information
| Melting Point | >300 °C (decomposition) |
| pH value | 9.8 (10 g/l, H₂O, 20 °C) |
| Bulk density | 800 kg/m3 |
| Solubility | 10 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 6200 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Dye content (spectrophotometrically) | ≥ 80 % |
| Identity- sodium | passes test |
| - UV/VIS-Spectrum | passes test |
| Absorption maximum λ max (water) | 590 - 600 nm |
| Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; water) | 650 - 820 |
| TLC-Test | passes test |
| Loss on drying (110 °C) | ≤ 15 % |
| Suitability for microscopy | passes test |