CAS 3896-11-5 UV-32...

CAS 3896-11-5 UV-326 Ultraviolet Absorbent with Free Sample

CAS 3896-11-5 UV-326 Ultraviolet Absorbent with Free Sample

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1 Kilogram

FOB Price: USD 50.0000

  • Min.Order :1 Kilogram
  • Purity: 98%
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Keywords

Bumetrizole UV-326 Ultraviolet Absorbent Pantothenic Acid Calcium

Quick Details

  • Appearance:White
  • Application:Pharmaceutical stuff, Functional Food
  • PackAge:25kg/Drum
  • ProductionCapacity:3000|Kilogram|Month
  • Storage:Good sealed container away from light and heat.
  • Transportation:

Superiority:

UV-326(Benzotriazole UV Absorber)
Chemical name: 2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzortriazole
Empirical Formula: C17H18N30Cl
CAS NO: 3896-11-5
Physical Properties
Molecular Weight: 315.8
Appearance: Slight yellow powder
Melting Range: 138-141 °C
Flashpoint: 229 °C
Specific Gravity(20 °C): 0.37g/cm3

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 suited 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. 

Volatility Pure substance; TGA, heating rate 20 °C /min in air 


Weight Loss (%)
Temperature °C

1.0
183

2.0
202

5.0
223



Solubility At 20 °C (g/100ml solvent) 


Solvent
Solubility

Acetone
1%

Benzene
10.5%

Chloroform
11.0%

Cyclohexane
6.4%

Ethyl Alcohol
0.1%

Ethyl Acetate
2.0%

N-Hexane
1.0%

Methanol
0.1%

Methylene Chloride
4.3%

MEK
13.3%

 
11.3%

Water
<0.01%



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


Packaging & Delivery 
 
Packaging Details: Packing: In a 20 kg (44.1 LB) fiber drum, net weight, with an inner PE liner. 
Delivery Detail: Prompt shipment

 

Details:

About Us

Changzhou Greater Asia Pacific Trading Co., Ltd is a HongKong fully owned enterprise in China that is engaged in supplying the cosmetic/food ingredients with best quality in China. China is a resourceful country for natural plants and herbs. With China industrialization gets better and better, we have the best plant extracts and herb extracts in the world with the most reasonable prices.

We are a supplier of cosmetic ingredients/food ingredients including plant extracts, natural cosmetic ingredients.

We have strong and stable supply networks all over the country and we do business with customers in Europe, Asia and America.

 

We strive to identify, develop and supply Ingredients from Botanicals/Herbs, for the usage in beverage, health food, cosmetic and pharmaceutical industries, making contributions to the modernization and internationalization of Chinese Herb Medicines and human health. We only supply products manufactured and packaged in accordance with GMP standards. 

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