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UV Absorber 328 CAS NO.25973-55-1
- FOB Price: USD: 1.00-2.00 /Metric Ton Get Latest Price
- Min.Order: 5 Metric Ton
- Payment Terms: L/C,T/T
- Available Specifications:
99%(1-5)Metric Ton99%(5-20)Metric Ton
- Product Details
Keywords
- UV Absorber 328
- 2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole
- CAS: 25973-55-1
Quick Details
- ProName: UV Absorber 328
- CasNo: 25973-55-1
- Molecular Formula: C22H29N3O
- Appearance: slight yellow powder
- Application: UV Absorber For Plastics
- DeliveryTime: Within 2 weeks after order confirmatio...
- PackAge: 25kg/drum
- Port: Qingdao Port
- ProductionCapacity: 10000 Metric Ton/Year
- Purity: 99%
- Storage: Store in cool and dry place, away from...
- Transportation: By sea or by air
- LimitNum: 5 Metric Ton
- Initial Melting Point: 80-88 °C
- Heating Loss: ≤ 0.5%
- Ash: ≤ 0.1%
- CAS: 25973-55-1
- MF: C22H29N30
Superiority
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.
Molecular Formula : C22H29N30
CAS NO : 25973-55-1
Physical Properties
Molecular Weight : 351.5
Appearance : slight yellow powder
Melting Range : 80-88 °C
Flashpoint : 229 °C
Specific Gravity(20 °C ) : 1.17g/cm3
Volatility Pure substance; TGA, heating rate 20 °C /min in air
|
Weight Loss (%) |
Temperature °C |
|
1.0 |
183 |
|
2.0 |
202 |
|
5.0 |
223 |
Details
Solubility At 20 °C (g/100ml solvent)
|
Solvent |
Solubility |
|
Acetone |
6% |
|
Benzene |
39% |
|
Butyl Carbitol |
3.5% |
|
Butanol |
2.5% |
|
Butylacetate |
15% |
|
Chloroform |
44% |
|
Ethyl Acetate |
20% |
|
Ethylglycol |
4% |
|
n-Hexane |
16% |
|
MEK |
14% |
|
Methanol |
0.4% |
|
Xylene |
34% |
|
Methylene Chloride |
56% |
|
Water |
<0.01% |