Erythrosine B (C.I. 45430) -010grm
Erythrosine B (C.I. 45430) for microscopy Certistain®. CAS 16423-68-0, pH 6 - 7 (10 g/l, H₂O, 20 °C).
Manufacturer: Merck
Catalog ID: 115936.0010
Stock: In Stock
Description
| Catalogue Number | 115936 | 
| Synonyms | Tetraiodofluorescein disodium salt | 
| Description | ERYTHROSINE B (C.I. 45430) FOR MICROSCOP | 
| Overview | Erythrosin B (C.I. 45430) is a CERTISTAIN® dry dye for microscopy that is often used as a counterstain, vizualising proteins, connective tissues, fibers and keratin in sample material of human origin. Depending on user requirements and personal preferences, it can be used for the preparation of the commonly used aqueous or alcoholic Erythrosin B staining solutions. As the dye belongs to the portfolio of Certistain® dyes, it is chemically analyzed according to strict specifications before release (CE marked and IVD product) and a high staining quality, with reliable staining results is guaranteed. | 
Product Information
| CAS number | 16423-68-0 | 
| EC number | 240-474-8 | 
| Hill Formula | C₂₀H₆I₄Na₂O₅ | 
| Molar Mass | 879.84 g/mol | 
| HS Code | 3204 12 00 | 
Applications
| Application | Erythrosine B (C.I. 45430) for microscopy Certistain®. CAS 16423-68-0, pH 6 - 7 (10 g/l, H₂O, 20 °C). | 
Physicochemical Information
| pH value | 6 - 7 (10 g/l, H₂O, 20 °C) | 
| Bulk density | 470 kg/m3 | 
| Solubility | 100 g/l | 
Toxicological Information
| LD 50 oral | LD50 Rat 1840 mg/kg | 
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. | 
Specifications
| Dye content (gravimetrically) | ≥ 80 % | 
| Identity - sodium | passes test | 
| - UV/VIS-Spectrum | passes test | 
| Absorption maximum λ max (water) | 524 - 527 nm | 
| Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; water) | 930 - 1170 | 
| TLC-Test | passes test | 
| Loss on drying (110 °C) | ≤ 10 % | 
| Suitability for microscopy | passes test |