CAS: 1400-62-0
Molecular Formula: C28H24N2O7
Molecular Weight：500.49936
EINECS：215-750-6
Synonyms: ORCEIN, FOR MICROSCOPY; Orcein(CiNaturalRed28); Orcein(NaturalRed28); Orcein, certified, pure
Orcein Powder CAS 1400-62-0
CAS 1400-62-0 is orcein (also known as lichen red or natural red 28), which is a natural dye mixture derived from lichens. Its main applications are in biological tissue staining and pH indicator.
Specification
| CAS | 1400-62-0 |
| Form | Powder |
| Refractive index | 1.5800 (estimated) |
| Storage condition: | room temperature |
Application
1. Biological / Medical Staining
Elastic Fiber Staining: Specific staining of elastic fibers and elastic plates in pathological sections
Chromosomes / Cell Nuclei: Acetic acid thionine staining of multiple-stranded chromosomes and cell nuclei, used for genetic observation
Other Tissues: Detection of elastic tissues in sputum, copper-binding proteins, mast cell granules
2. Indicators and Analysis
pH Indicators: Acidic Red, Alkaline Blue, used for acid-base titration and rapid determination of solution pH
3. Dyes and Others
Natural Dyes: Historically used for dyeing wool and silk (Natural Red 28)
Research Reagents: Flagellar， Fluorescent Elastic Fiber Staining， Resin Section Marking
Packaging
25kg/drum.
