Solvent Green 28, also known as Solid Green R or C.I. Solvent Green 28, is a green synthetic dye. Here are some properties of Solvent Green 28:

1. Color: Solvent Green 28 is a green dye that exhibits a vivid green color. It is often used as a colorant in various applications.

2. Chemical Formula: The chemical formula of Solvent Green 28 is C28H22N4O2.

3. Molecular Weight: The molecular weight of Solvent Green 28 is approximately 450.51 grams per mole.

4. Solubility: Solvent Green 28 is soluble in organic solvents such as benzene, toluene, xylene, and various other nonpolar solvents. It is not soluble in water.

5. Stability: Solvent Green 28 is known for its relatively good stability, especially in nonpolar solvents. However, it may experience some fading or degradation over time when exposed to certain environmental conditions, such as exposure to sunlight or harsh chemicals.

6. Application: Solvent Green 28 is used primarily as a dye in various industries, including textile, paint, ink, and plastics. It provides a green coloration to these materials, allowing for diverse coloring possibilities.

7. Safety: It's essential to handle Solvent Green 28 with proper precautions. It is a synthetic dye and should be handled in accordance with safety guidelines and regulations. Direct contact with skin, eyes, or ingestion should be avoided, and appropriate safety measures should be taken during handling and storage.