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Postion:Product Catalog >Chemical Reagents>Organic reagents>Aromatic aldehydes>o-Phthalaldehyde
o-Phthalaldehyde
  • o-Phthalaldehyde
  • o-Phthalaldehyde
  • o-Phthalaldehyde
  • o-Phthalaldehyde
  • o-Phthalaldehyde

o-Phthalaldehyde

Price Get Latest Price
Package 25kg
Min. Order: 1kg
Supply Ability: 200mt
Update Time: 2026-05-21

Product Details

Product Name: o-Phthalaldehyde CAS No.: 643-79-8
EC-No.: 211-402-2 Min. Order: 1kg
Purity: 99% Supply Ability: 200mt
Release date: 2026/05/21

Name: o-Phthalaldehyde (OPA)
CAS: 643-79-8
Purity: ≥99%
Appearance: yellowish crystal
Capacity: 200mt/year
Min.packing: 100gram
Application: Disinfectant/pharmaceutical/dye/OLED intermediate
Standard: enterprise standard
Manufacturer: Jinan Finer Chemical Co., Ltd

Synonyms: OPA
                  Ortho phthalaldehyde
                  o-Phthalic aldehyde
                  1,2-Phthalic dicarboxaldehyde
                  1,2-Benzenedicarboxaldehyde
                   Benzene-1,2-dicarboxaldehyde
Molecular Formula: C8H6O2
Molecular Weight: 134.13
CAS Registry Number: 643-79-8
EINECS: 211-402-2
Melting point: 54-57 ºC
Boiling point: 83-84 ºC
Flash point: 132 ºC
Water solubility: soluble

Detailed application:

1. It is used to produce high-efficiency and safe antimicrobial disinfectant for external use and to disinfect and sterilize endoscopic surgical instruments in hospitals.

2. As pharmaceutical intermediate, it is used to synthesize indobufen which is new anti-platelet aggregation drug.

3. As OLED intermediate, it is used to synthesize electronic materials.

4. Dye intermediate.


Company Profile Introduction

Jinan Finer Chemical Co., Ltd is professional to manufacture and R&D pharmaceutical intermediates, organic intermediates, and fine chemicals. The company is established under the support of Jinan city government, so the company has large advantages in enterprise credit, finance security, product quality control and cargo export. FinerChem locates in national new materials industry park of Jinan city , and is awarded the title of high-tech corporation. The organic intermediates mainly refer to heterocyclics and liquid crystal intermediates. The heterocyclics contains Pyridine series, Pyrazine series, Pyrazole series and Thiazole series. Liquid crystal intermediates contains Boronic acid derivatives, Carbazole derivatives, Fluorene derivatives, and Biphenyl derivatives which are used as OLED intermediates or OPC materials. The pharmaceutical intermediates are mainly used in the field of new medicines of anti-cancr, anti-depression, cardiovascykar, diabetes. Electronic chemicals and water treatment chemicals are the new chemical materials. Electronic chemicals are used in semiconductor and liquid crystal industry. Water treatment chemicals is used in drink water, swimming pool water, industrial circulating water, sewage and other water disinfection treatment. Finerchem has export & import license, and chemical sales license, the products are exported to South Korea, South America, Southeast Asia, Europe and other countries or regions. Under rich experiences and excellent international reputation, Finerchem becomes a quite influential enterprise in China's chemical field. Finerchem sincerely look forward to establishing long good cooperation with our customers from all over the world.

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