o-Dianisidine (CAS: 119-90-4) - UCHEM In Stock Supply

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Author : Nina He
Update time : 2025-09-18 18:17:51

In the field of organic chemicals and dye intermediates, o-Dianisidine (CAS: 119-90-4) plays a vital role. As a high-performance biphenylamine compound, it is widely applied in dye synthesis, chemical analysis, and industrial production. UCHEM, a trusted chemical supplier, now offers high-purity o-Dianisidine with ready stock, meeting diverse requirements from laboratory research to large-scale industrial applications.

 

Product Information

Chemical Name: o-Dianisidine

Synonyms: 3,3'-Dimethoxybenzidine

CAS Number: 119-90-4

Molecular Formula: C14H16N2O2

Molecular Weight: 244.29 g/mol

Appearance: brown powder

 

Key Applications

1. Dye Intermediate

o-Dianisidine is an essential raw material for the synthesis of azo dyes, direct dyes, and acid dyes. It enables the production of brilliant orange, red, and brown dye shades with excellent colorfastness and light stability. These dyes are widely applied in textiles, leather finishing, paper coloring, and printing industries.

 

2. Analytical Chemistry and Biochemical Research

In analytical chemistry and biochemistry, o-Dianisidine serves as a classical chromogenic reagent. It is particularly used in enzyme assays, such as peroxidase (POD) activity detection, providing reliable and reproducible colorimetric results.

 

3. Polymers, Resins, and Coatings

o-Dianisidine also functions as an intermediate in the production of specialty resins, pigments, and coating materials, contributing to the performance enhancement of high-value materials.

 

 

Why Choose UCHEM as Your Supplier?

As a specialized chemical supplier, UCHEM is committed to providing customers worldwide with high-quality, reliable, and traceable chemicals. For o-Dianisidine (CAS: 119-90-4), we offer the following advantages:

Ready Stock Availability – UCHEM maintains inventory for o-Dianisidine, allowing us to quickly respond to customer needs and significantly reduce lead times.

 

High Purity Guarantee – Strict quality control ensures consistent purity and stability, suitable for both research and industrial-grade applications.

 

Flexible Packaging Options – Available in multiple packaging sizes, ranging from small-scale laboratory quantities (grams, hundreds of grams) to industrial bulk packaging (kilograms, drums).

 

Global Delivery Capability – We provide safe, compliant, and timely delivery services to domestic and international clients.

 

Technical Support – UCHEM is experienced technical team offers application guidance and customized solutions tailored to your project requirements.

 

Conclusion

As an indispensable organic intermediate, o-Dianisidine (CAS: 119-90-4) continues to play a central role in dye manufacturing, analytical chemistry, and material synthesis. UCHEM ensures a reliable supply of high-quality o-Dianisidine, backed by comprehensive technical and safety documentation. 

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