Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
| Item | Specification | Unit | Remarks |
| Product Name | Isatin | — | |
| CAS Number | 91-56-5 | — | EINECS: 202-077-8; MFCD00005718 |
| Molecular Formula | C?H?NO? | — | Indole-2,3-dione derivative |
| Molecular Weight | 147.13 | g/mol | |
| Appearance | Orange-red crystalline powder | — | Bitter taste; monoclinic prismatic crystal form |
| Purity | ≥98.0 (≥99.0 available) | % | HPLC/GC; high-purity grade for research |
| Melting Point | 203-205 | ℃ | lit.; partial sublimation at melting point |
| Solubility | Slightly soluble in water, soluble in hot ethanol, acetone | — | 1.9 g/L water; purple in alkaline solutions |
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