ORCEIN CAS 1400-62-0
ORCEIN CAS 1400-62-0 is a reddish-brown / purplish-brown crystalline powder, either naturally extracted or synthetically produced.
Solubility: Almost insoluble in water; readily soluble in ethanol, acetone, acetic acid (red color); soluble in alkaline aqueous solutions (blue / purple / red purple)
pH color change: Acidic → red; Alkaline → blue / purple (natural indicator property)
Stability: Stable at room temperature, store in a dark place and sealed; resistant to heat, weak acids and weak alkalis
Density ≈ 1.32 g/cm³; Boiling point ≈ 591 ℃
| Items | Standard |
| CAS | 1400-62-0 |
| Form | Powder |
| Refractive index | 1.5800 (estimated) |
| Storage condition: | room temperature |
1. Histology / Microscopic Staining Agents (Mainly)
Specific staining of elastic fibers, collagen fibers, cell nuclei, chromosomes
Pathology: Differentiation of elastic tissues, hepatitis B virus surface antigen, fungi, flagella
Examples: Skin / Elastic fiber staining of blood vessels, examination of elastic fibers in sputum, microbial flagellar staining
2. Biomedical Research
Nucleic acids / Protein-specific staining, used in cell and molecular biology experiments
As a pH indicator (range approximately 4.0 - 8.0)
3. Industrial / Cosmetics / Pharmaceutical
Natural red dyes: used for coloring wool, silk, leather
Pharmaceutical: Pharmaceutical coloring agents (red / purple tones)
4. Applications
Ancient to modern natural dyes (extracted from lichens / mosses), used for coloring fabrics and foods.
• Standard Packing: 25 kg/bag; 25 kg/drum
• MOQ: to be confirmed by grade and destination
• Lead Time: to be confirmed by order quantity and production schedule
• Shipping: sea / air / express options available
• Store in a cool, dry, and well-ventilated place.
• Keep container tightly closed and protected from moisture.
• Avoid direct sunlight, heat, and open flame.
• Follow SDS guidance for incompatible materials.










