Benzotriazole UV absorber UV-326 CAS No.3896-11-5

• CAS No.: 3896-11-5
• Formula: C17H18N30Cl
• Certification: REACH
• Environmental Protection: Yes
• Color: Yellow
• Kind: UV absorber
• Model NO.: 326
• Appearance: Powder
• Transport Package: 20/25kg Fiber Drums or Carton
• Specification: purity 99% min
• Trademark: LEPUZ
• Origin: China
• Production Capacity: 2000mt/Year

Product Description

LeSorb^® UV-326
Chemical Name: 2-(2'-hydroxy-3'-tert-butyl-5'-methyl phenyl) -5-chloro benzotriazole
Introduction: UV-326 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-326 is especially suitable for polyolefins and cold cured polyesters. It protects polymers from UV radiation helping to preserve the original appearance and physical integrity, especially for polyolefins and polyester resins.
Cas No. 3896-11-5
Empirical Formula: C₁₇H₁₈N₃₀Cl

Specifications:

Item		Specification
Appearance		Yellowish powder
Purity		≥99.0% by HPLC
Volatile matter		≤0.5%
Melting point		137.0-141.0°C
Ash content		≤0.1%
Transmittance	460nm	93.0%min
	500nm	96.0%min

Toxicity & Safety
This material is not intended for use in products for which prolonged contact with mucous membranes or abraded skin, or implantation within the human body is specially intended, unless the finished product has been tested in accordance with the Food and Drug Administration and/or other applicable safety testing requirements. Because of wide range of such potential uses, Nanjing Lepuz Chemical Co., LTD. is not able to recommend this material as safe and effective for such uses and assumes no liability for any such uses.

Storage
This product may be stored for one year in a sealed container. Containers should be stored in a cool, dry area. Extended storage at elevated temperatures or exposure to direct heat or sunlight could reduce product life. Keep containers sealed when not in use. 

Handling   
In accordance with good industrial practice, handle with care and avoid unnecessary personal contact. Avoid continuous or repetitive breathing of dust. Use only with adequate ventilation. Prevent contamination of the environment. Avoid dust formation and ignition sources. 

Packing: 20/25kg fiber drums or carton box


Application

Main products
 

Optical brighteners: OB    OB-1   OB-3   KCB    FP-127    KSN    MDAC(SWN)    CBS-X

UV absorbers: UV-531    UV-9(BP-3)    UV-P    UV-326    UV-327    UV-328    UV-329   
                         UV-1130   UV-284(BP-4) 

Light stabilizers: 622    770    944    292    783    695

 

Our Services

We have exact inventory plans to guarantee stable supply.

We have many years' experience of chemical logistics and dangerous chemical managers with specially trained, which ensure the safety and right of chemicals, timely logistics.

Our laboratory takes strictly testing on every lot of goods according to customers' requirement. Meanwhile we has good relationship with the third party company SGS.

After-sales service is the important part in our service. If there are quality problems, we will actively cooperate with the customers and solve the problems early.

We expect to become good partners with our customers for long.





Company Information 

NANJING LEPUZ CHEMICAL CO., LTD. is an ISO-certified modernized chemical enterprise concentrating on the production, sales and service for pesticide, plastic and coating additives, fine chemicals and intermediates.  
Our products are widely used in agriculture, plastic and rubber industry, medical industry, paints, printing inks and etc.  
 
Our company's headquarters is based in Nanjing city, Jiangsu Province, China.  
Our factory is located in Touqiao Town, Hanjiang District, Yangzhou City, where is adjacent to Guangling Hi-tech Development Zone, mainly producing high quality plastic additives and intermediates such as optical brighteners and etc.

We have established long years' technical cooperation with Nanjing University, Nanjing Tech University, and make continuous innovation to fulfill the changing market's demand and trends.  

Besides the professional R&D team, our factory has advanced production and testing equipments, which can be used for testing and reprocessing to ensure the high quality and meet customers' different requirement. 

With profound chemistry knowledge and rich experience, our business team can offer professional customized technical supports and solution for customer's demand.

Till now our products have occupied a good market in China, and also exported to Europe, the United States, Japan and South Korea, Southeast Asia, the Middle East, Central and South America, Africa and etc.  

Welcome to contact us. Hope we can have a good cooperation and bright future.

FAQ

Q: Do you have any certificate for quality?

 A: Yes, we have ISO9001:2015 quality system certificate and REACH.

 

Q: Can you customize products?

A: Yes, we can.

 

Q: Can you provide samples for quality checking before placing an order?

A: Samples are avaliable upon request, but the shipping cost should be paid by customer.

 

Q: How to get the price list?

A: Please inqire us by alibaba/email.

 

Q: What's your payment term?

A: TT/LC/DA/DP/Paypal