UV-P

UV-P

Product name

Absorber UV-P

Chemical Name

2-(2’Hydroxy-5’-methylphenyl)benzotriazole

CAS NO

2440-22-4

Empirical Formula

C₁₃H₁₁N₃O

Molecular Weight

225.3

Structure

Specification

Appearance

slight yellow powder

 Light transmittance

440nm    95.0%min

500nm    97.0%min

volatile

≤0.5%

Ash

≤0.1%

Melting Range

128～133℃

Purity

≥99%

 ℃

Mass loss

163    5%

178    10%

197    25%

Toxicity

Low toxicity, rat oral LD50 > 5 g/Kg body weight

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

storage

The product may be stored up to two years 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 no in use.

packing

25KG Carton or as customer’s requirements.