Methyl Blue 50g
Methyl blue (C.I. 42780) for microscopy. CAS 28983-56-4, pH 5.0 (10 g/l, H₂O, 20 °C).
Manufacturer: Merck
Catalog ID: 116316.0050
Stock: In Stock
Description
| Catalogue Number | 116316 |
| Synonyms | Methyl blue for microscopy and microbiology |
| Description | METHYL BLUE (C.I. 42780) FOR MICROSCOPY |
| Overview | Methyl blue (C.I.42780) is a dry dye for the preparation of a color staining solution used for the polychrome staining of histological tissue sections of human origin. 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 | 28983-56-4 |
| EC number | 249-352-9 |
| Hill Formula | C₃₇H₂₇N₃Na₂O₉S₃ |
| Molar Mass | 799.81 g/mol |
| HS Code | 3204 19 00 |
Applications
| Application | Methyl blue (C.I. 42780) for microscopy. CAS 28983-56-4, pH 5.0 (10 g/l, H₂O, 20 °C). |
Physicochemical Information
| pH value | 5.0 (10 g/l, H₂O, 20 °C) |
| Bulk density | 670 kg/m3 |
| Solubility | 70 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat > 5000 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Dye content (spectrophotometrically) | ≥ 60 % |
| identity - sodium | passes test |
| - UV/VIS-Spectrum | passes test |
| Absorption maximum λ max (Hydrochloric acid 0.005 mol/l) | 595 - 605 nm |
| Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; hydrochloric acid 0.005 mol/l) | 675 - 1125 |
| TLC-Test | passes test |
| Loss on drying (110 °C) | ≤ 7 % |
| Suitability for microscopy | passes test |
