Product Details
| Product Name: O-Phthalaldehyde | CAS No.: 643-79-8 |
| EC-No.: 211-402-2 | Min. Order: 1kg |
| Purity: 99% | Supply Ability: 1000kg |
| Release date: 2025/04/02 |
Manufacturer Provide Top Quality Ortho Phthalaldehyde CAS 643-79-8 O-Phthalaldehyde
Introduction
O-Phthalaldehyde or ortho-phthalaldehyde (OPA) is the chemical compound with the formula C6H4(CHO)2. Often abbreviated OPA, the molecule is a dialdehyde, consisting of two formyl (CHO) groups attached to adjacent carbon centres on a benzene ring. This pale yellow solid is a building block in the synthesis of heterocyclic compounds and a reagent in the analysis of amino acids. OPA dissolves in water solution at pH < 11.5. Its solutions degrade upon UV illumination and exposure to air.
| Item | Specification |
| Assay | >98% |
| Appearance | Yellow powder |
| Odor | Characteristic |
| Taste | Characteristic |
| Particle Size | NLT 100% Through 80 mesh |
| Loss on Drying | <2.0% |
| Heavy metals | ≤10ppm |
| Arsenic | ≤3ppm |
| Lead | ≤3ppm |
| <2.0% | |
| Total Plate Count | ≤1000cfu/g |
| Total Yeast & Mold | ≤100cfu/g |
| E.Coli | Negative |
| Salmonella | Negative |
Company Profile Introduction
Shaanxi TNJONE Pharmaceutical Co., Ltd supplies more than 2,000 kinds of products, covering the whole field of health industry, including human APIs, veterinary APIs, food additives, natural nutrition ingredients, feed additives, cosmetic additives, intermediates etc. With global sourcing advantages, the group is fully capable of meeting the one-stop sourcing needs of global customers. Today, Shaanxi TNJONE Pharmaceutical Co., Ltd.'s marketing network has spread over more than 100 countries and regions on five continents, providing professional service for global customers.
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