o-Phthalaldehyde CAS 643-79-8
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o-Phthalaldehyde CAS 643-79-8

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Product Description

If you interested in o-Phthalaldehyde CAS 643-79-8 products, please contact with us. We follow the quality of rest assured that the price of conscience, dedicated service. Shandong Believe Chemical Pte. Ltd. is a high-tech enterprise integrating R &D and sales of chemical technology. We are good at the advantages of chemical products in the field. Our products are exported to Europe, the United States, Japan, South Korea, Southeast Asia and other countries and regions. With science and technology as the guide, honesty as the foundation, quality as the life, and relying on the enterprise concept of innovation and development, we sincerely hope to establish exchanges and extensive cooperation with domestic and foreign customers to create prosperity!

o-Phthalaldehyde CAS 643-79-8 Chemical Specification 

Product Name




Molecular Weight










 yellow powder






 1.13  1.13
Melting point 

 55-58 °C



The result conform with standard

o-Phthalaldehyde CAS 643-79-8 Chemical Properties

Melting point 55-58 ° C (lit.)
Boiling point 83-84 ° C (0.7501mmhg)
Density 1.13
Refractive index 1.4500 (estimate)
Flash point >230 ° f
Storage condition 2-8 ° C
Morphological powder
Color yellow
PH value 7 (53g/l, H2O, 20 ℃)
Water soluble
Air sensitive

o-Phthalaldehyde CAS 643-79-8 Application

This product is a pharmaceutical intermediate and the latest high-efficiency and safe antibacterial disinfectant for external use. As a disinfection and sterilization of endoscopic surgical instruments in hospitals, it can be used to synthesize a new antiplatelet aggregation drug indopofen, and is also an analytical reagent in the chemical field.

Uses: Yellow acicular crystal, mainly used in medicine, dyes, etc. Amino acid derivatization reagent, fluorescence detection, the reaction can be completed in one minute, but the product is unstable and needs to be detected immediately.

Uses: mainly used in medicine, dyes, amino acid derivatization reagents, etc. It is used as a reagent of amine alkaloids for the determination of primary amines and peptide bond decomposition products by fluorescence method. Organic synthesis.?

Uses: reagent of amine alkaloids, used for fluorescence determination of primary amines and peptide bond decomposition products; It is suitable for precolumn derivatization of amino acids in high performance liquid chromatography; 

It is used to measure protein sulfhydryl group by flow cytometry. 

1. Analytical reagent in the chemical field: as an amine alkaloid reagent, it is used to determine primary amine and peptide bond decomposition products by fluorescence method. 

2. Organic synthesis: it is also a pharmaceutical intermediate. 

3. Fluorescent reagent. It is used to separate amino acid derivatives by pre column HPLC and measure the mercaptan groups of proteins by flow cytometry.

Use: for medical inspection

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