Introduction for 1H-Indole-2,3-dione (CAS 91-56-5)
1H-Indole-2,3-dione (CAS 91-56-5) is a crucial intermediate in organic synthesis, extensively utilized in pharmaceuticals, dyes, and materials science and usually used in chemical synthesis, pharmaceutical applications, and as an intermediate for other indole derivatives. Isatin and its derivatives serve as precursors for numerous biologically active molecules, including anti-cancer agents, anti-inflammatory drugs, and antimicrobial compounds.
LBAO Chemicals supplies high-purity Isatin (>98%) and offers customizable moisture levels to meet specific industrial and research requirements.
General Information
| Product Name |
1H-Indole-2,3-dione |
| CAS RN | 91-56-5 |
| Molecular Formula | C8H5NO2 |
| Molecular Weight | 147.13 g/mol |
| Chemical Name |
Isatin |
| Physical State |
Solid |
Specifications
| Purity / Analysis Method |
>98.0% |
| Appearance |
Orange crystalline solid |
| Flash Point | 186°C (367°F) |
| Melting Point | 150–152°C |
| Boiling Point | 314°C (597°F) at 760 mmHg |
| Density/ Relative Density | 1.5 g/cm³ at 25°C |
| Solubility | Slightly soluble in water, soluble in ethanol, ether, and chloroform |
| Vapor Pressure | 2.1 × 10⁻⁶ mmHg at 25°C |
| LogP | 1.78 |
Safety & Regulations:
- Isatin complies with international safety standards, including the European Union’s Regulation (EC) No 1272/2008 (CLP).
- Each product is accompanied by a Safety Data Sheet (SDS), formatted in accordance with the Globally Harmonized System (GHS) and ISO 11014:2009 standards, providing comprehensive information on chemical properties, hazards, handling, and emergency measures.
How LBAO Ships and Stores 1H-Indole-2,3-dione
At LBAO Chemicals, we provide reliable global shipping and custom packaging solutions designed to meet the unique demands of the chemical industry. Whether dealing with hazardous materials or sensitive reagents, our packaging protocols ensure both safety and compliance with international transport standards. For more details on our shipping and packaging practices, please visit our Shipping & Packaging page.
Packaging: 25 kg per package, available in fiber drums or kraft paper bags based on customer requirements.
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- Liquids: Packaged in glass or plastic bottles, selected based on chemical compatibility and shipping regulations.
- Solids: Typically packaged 25 kg per container, using fiber drums or kraft paper bags, depending on your specific needs.
Storage Conditions: Store in a cool, dry place, away from direct sunlight and incompatible materials.
* To send your quote request for bulk quantities, please click on the Request Bulk Quote button.
* Items from China stock are able to ship to your location within 2 weeks by Air. Please contact LBAO Chemicals for lead times on items not in stock.
