Cis-1,2,3,6-Tetrahydrophthalic Anhydride
- CAS No.85-43-8
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
High purity Cis-1,2,3,6-Tetrahydrophthalic Anhydride (CAS 85-43-8) designed for pesticide synthesis. Reliable supply with ≥98.0% assay for industrial manufacturing.
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Product Overview
Cis-1,2,3,6-Tetrahydrophthalic Anhydride is a critical organic intermediate widely utilized in the agrochemical industry. Known chemically as 3a,4,7,7a-Tetrahydroisobenzofuran-1,3-dione, this compound serves as a foundational building block for synthesizing advanced pesticides and fungicides. Our manufacturing process ensures consistent quality and high reactivity, making it an ideal choice for large-scale chemical production.
As a dedicated supplier of specialty intermediates, we understand the importance of molecular stability and purity in downstream applications. This anhydride is particularly valued for its role in producing pyrethroid insecticides and protective fungicidal agents. The compound is supplied as a white crystalline powder, facilitating easy handling and integration into various synthesis routes.
Chemical Properties and Specifications
The physical and chemical characteristics of Cis-1,2,3,6-Tetrahydrophthalic Anhydride are optimized for industrial performance. With a molecular formula of C8H8O3 and a molecular weight of 152.147, it exhibits excellent thermal stability and reactivity under controlled conditions. Our quality control laboratories verify every batch against strict international standards to ensure compliance with customer specifications.
| Parameter | Specification |
|---|---|
| CAS Number | 85-43-8 |
| Molecular Formula | C8H8O3 |
| Molecular Weight | 152.147 |
| Appearance | White crystalline powder |
| Assay | ≥98.0% |
| Melting Point | 101-102°C |
| Density | 1.3±0.1 g/cm3 |
| Boiling Point | 305.6±42.0 °C at 760 mmHg |
Industrial Applications
This intermediate is primarily employed in the synthesis of high-efficiency agricultural chemicals. Its unique structural properties allow it to act as a key precursor in the manufacturing of Tetramethrin, a potent synthetic pyrethroid insecticide, and Captan, a widely used fungicide. The high purity level of our product ensures minimal by-product formation during subsequent reaction steps, thereby improving overall yield and cost-efficiency for manufacturers.
- Essential raw material for pyrethroid insecticide production.
- Key component in fungicide formulation synthesis.
- Suitable for organic synthesis requiring anhydride functionality.
- Supports large-scale industrial manufacturing processes.
Quality Assurance and Storage
We maintain rigorous quality assurance protocols throughout the production lifecycle. Each shipment is accompanied by a Certificate of Analysis (COA) detailing batch-specific test results. To maintain product integrity, Cis-1,2,3,6-Tetrahydrophthalic Anhydride should be stored in a cool, ventilated environment away from moisture and direct sunlight. Proper storage ensures the material retains its reactivity and physical properties over extended periods.
Packaging is available in 25 kg drums, with customization options to meet specific logistical requirements. Our global supply chain capabilities ensure timely delivery to manufacturing facilities worldwide, supporting uninterrupted production schedules for our partners.
