China Suppliers Factory Light Yellow Powder UV234 CAS 70321-86-7 for Quality Applications
Product Description
| Chemical Name | 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)-phenol | |||
| CAS Number | 70321-86-7 | |||
Molecular Structure
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| Product Form | Light Yellow Powder | |||
| Specifications | TEST | SPECIFICATION | ||
| Assay (%) | 99.00 min | |||
| Melting Point (℃) | 137.00 – 141.00 | |||
| Volatiles (%) | 0.50 max | |||
| Ash (%) | 0.10 max | |||
| Transmittance (%) | ||||
| 460 nm | 97.00 min | |||
| 500 nm | 98.00 min | |||
| Application |
UV Absorber
Yihoo UV234 is a high-performance benzotriazole ultraviolet (UV) absorber, presented as a pale yellow powder with a melting point ranging from 137.00–141.00 °C. It is soluble in organic solvents including chloroform, methylene chloride, benzene, and ethyl acetate; slightly soluble in alcohols; and insoluble in water. This product is specially suited for a broad range of polymer materials and coating systems, including polycarbonate, polyvinyl chloride (PVC), polyformaldehyde, polyamides, polyesters, and various coatings. |
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| Package | 📦25 kg Carton | |||
Frequently Asked Questions
Q
What is Yihoo UV234 and what is its CAS number?
Yihoo UV234 is a high-performance benzotriazole UV absorber with the chemical name 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)-phenol. Its CAS number is 70321-86-7.
Q
What is the physical appearance and melting point of UV234?
UV234 appears as a light yellow powder with a melting point range of 137.00–141.00 °C, making it easy to incorporate into various processing systems.
Q
What solvents is UV234 compatible with?
UV234 is soluble in organic solvents such as chloroform, methylene chloride, benzene, and ethyl acetate. It is slightly soluble in alcohols and insoluble in water.
Q
Which polymer materials and coatings is UV234 suitable for?
UV234 is suitable for a wide range of applications including polycarbonate (PC), polyvinyl chloride (PVC), polyformaldehyde (POM), polyamides (PA), polyesters (PET/PBT), and various industrial and decorative coatings.
Q
What are the key quality specifications for UV234?
The key specifications include: Assay ≥ 99.00%, Volatiles ≤ 0.50%, Ash ≤ 0.10%, Transmittance at 460 nm ≥ 97.00%, and Transmittance at 500 nm ≥ 98.00%, ensuring consistent high purity and optical performance.
Q
How is UV234 packaged and what is the standard order quantity?
UV234 is packaged in 25 kg cartons, providing convenient handling and storage for both small-scale and large-scale industrial users.