ADDE TECHNOLOGY CO.,LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 10 TON per month |
| Delivery Time | 7-10 days |
| Packaging Details | Customized packaging options. |
| CAS Number | 643-79-8 |
| Appearance | Pale yellow crystal |
| Purity | ≥99% |
| Melting Point | 54 – 57℃ |
| Water Content | ≤ 0.5% |
| Stability | Stable under recommended storage conditions |
| Brand Name | ADDE TECHNOLOGY |
| Model Number | ADDE-OPA |
| Certification | CE |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 10 TON per month |
| Delivery Time | 7-10 days | Packaging Details | Customized packaging options. |
| CAS Number | 643-79-8 | Appearance | Pale yellow crystal |
| Purity | ≥99% | Melting Point | 54 – 57℃ |
| Water Content | ≤ 0.5% | Stability | Stable under recommended storage conditions |
| Brand Name | ADDE TECHNOLOGY | Model Number | ADDE-OPA |
| Certification | CE | Place of Origin | CHINA |
| High Light | cas no 643 79 8 ortho phthaldialdehyde ，99% ortho phthaldialdehyde ，643-79-8 O-Phthalaldehyde OPA | ||
Product Description
O-Phthalaldehyde (OPA, CAS No. 643-79-8) is a high-quality aromatic dialdehyde widely used as an important intermediate in chemical synthesis and specialty chemical applications. The product appears as pale yellow crystalline solid under ambient conditions and is characterized by its high purity, well-controlled melting range, and extremely low moisture content. These properties ensure reliable performance during downstream processing and formulation.
Manufactured under strict quality management systems, this O-Phthalaldehyde is produced using carefully selected raw materials and optimized production processes to achieve consistent batch-to-batch quality. The purity reaches 99.0% minimum, with typical results exceeding this standard, making it suitable for applications requiring precise chemical composition and high reactivity. The controlled melting point range allows for convenient handling, storage, and processing in both laboratory and industrial environments.
Due to its stable physicochemical properties, OPA is commonly applied as a key intermediate in pharmaceutical synthesis, fine chemical production, and research applications. Its low water content effectively reduces the risk of side reactions, improving yield and efficiency in chemical reactions. When stored in a cool, dry, and well-ventilated environment with proper packaging, the product maintains excellent stability throughout its shelf life.
Each batch is supplied with a complete Certificate of Analysis (COA), ensuring full traceability and compliance with agreed specifications. Packaging options can be adjusted according to customer requirements to support safe transportation and long-distance shipment. This product is intended for industrial and professional use only.
Typical Specifications
| Item | Unit | Specification | Result |
|---|---|---|---|
| Appearance | – | Pale yellow crystal | Pale yellow crystal |
| Purity | % | ≥ 99.0 | 99.4 |
| Melting Point | ℃ | 54 – 57 | 55.8 – 56.6 |
| Water Content | % | ≤ 0.5 | 0.05 |
Company Details
Business Type:
Agent,Exporter,Trading Company,Seller
Year Established:
2004
Total Annual:
5,000,000-10,000,000
Employee Number:
>50
Ecer Certification：
Verified Supplier
Adde Technology Co., Ltd. was founded in May 2010. After years of development, the company has grown into a comprehensive enterprise that integrates R&D, chemical production, and import & export operations. Since its establishment, we have adhered to the principles of "... Adde Technology Co., Ltd. was founded in May 2010. After years of development, the company has grown into a comprehensive enterprise that integrates R&D, chemical production, and import & export operations. Since its establishment, we have adhered to the principles of "...
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