UV-329 Suppliers, UV-329 Manufacturers.
Empirical Formula : C20H25N30
CAS NO : 3147-75-9
Structure :
Physical Properties
Molecular Weight : 323
Appearance : white powder
Melting Range : 103-105 °C
Flashpoint : 150 °C
Specific Gravity(20 °C ) : 1.18g/cm3
Volatility Pure substance; TGA, heating rate 20 °C /min in air
Weight Loss (%) | Temperature ℃ |
1.0 | 180 |
2.0 | 200 |
5.0 | 220 |
Solubility At 20 °C (g/100ml solvent)
Solvent | Solubility |
Acetone | 9% |
Benzene | 32% |
Chloroform | 37% |
Cyclohexane | 15% |
Ethyl Acetate | 15% |
n-Hexane | 6% |
Methanol | 0.6% |
Methylene Chloride | 38% |
Water | <0.01% |
UV Absorption

Absorption Spectrum (10mg/l, Chloroform)
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
Company: |
Ningbo Everlop Import & Export Co., Ltd |
E-mail: |
chem@netsun.com |
Address: |
Room1203, NO.21 Hualou Lane, Prime Center Haishu District, Ningbo, China. |
Zip Code: |
315010 |