Good Quality with Low Price UV-328 CAS#25973-55-1

• CAS No.: 25973-55-1
• Formula: C22h29n3o
• EINECS: 247-384-8
• Certification: REACH
• Environmental Protection: Yes
• Color: White
• Model NO.: 25973-55-1
• Kind: Antioxidant
• Appearance: Powder
• CAS#: 25973-55-1
• Other Names: Benzotriazole
• Usage: Coating Auxiliary Agents
• Supply Ability: 1000 Metric Ton/Metric Tons Per Yea
• Transport Package: 25kgs /Drum
• Specification: purity: 99. %
• Trademark: Lonwin
• Origin: Made in China
• HS Code: 2933990090
• Production Capacity: 500mt/Year

Product Description

Quick Details

Classification:

Chemical Auxiliary Agent

CAS No.:

25973-55-1

Other Names:

Benzotriazole

MF:

C22H29N30

EINECS No.:

N/A

Purity:

98% Min

Place of Origin:

Shanghai,  China

Type:

UV absorber

Usage:

Coating Auxiliary Agents, Plastic Auxiliary Agents

Brand Name:

Lonwin

Model Number:

UV 328

Supply Ability

Supply Ability
1000 Metric Ton/Metric Tons per Year

Packaging & Delivery

Packaging Details
in a 25kg bag/carton
Port
Shanghai, Qingdao, Beijing

Product Description

UV-328(Benzotriazole UV Absorber)

Chemical name : 2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole

Introduction : UV-328 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-328 protects polymers as well as organic pigments from UV radiation helping to preserve the original appearance and physical integrity of molded articles, films, sheets, and fibers during outdoor weathering.

Empirical Formula : C₂₂H₂₉N₃0

CAS NO : 25973-55-1

Physical Properties

Item	Specification
Molecular Weight	351.5
Appearance	slight yellow powder
Melting Range	80-88 °C
Flashpoint	229 °C
Specific Gravity(20 °C )	1.17g/cm^3

 

Applications

1. Unsaturated Polyester : 0.2-0.5wt% based on polymer weight

2.PVC:

Rigid PVC : 0.2-0.5wt% based on polymer weight

Plasticized PVC : 0.1-0.3wt% based on polymer weight

3.Polyurethane : 0.2-1.0wt% based on polymer weight

4.Polyamide : 0.2-0.5wt% based on polymer weight

 

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, Lonwinchem. 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.