UV Absorbent Manufacturer 531 CAS Number: 1843-05-6

• CAS No.: 1843-05-6
• Color: Yellow
• Appearance: Powder
• Content: >99%
• Molecular Weight: 326.4
• Melting Point: 47-49
• Model NO.: UV531
• Ash: <0.1%
• Volatile: <0.5%
• Transport Package: Kraft Paper Bag
• Specification: 25kg
• Trademark: Spnal
• Origin: China
• Production Capacity: 50000tons / Year

Product Description

Product Description

Ultraviolet absorbent UV-531

An overview of the:

Chemical name: 2-hydroxy-4-octyloxybenzophenone
Molecular formula: C21H26O3
Molecular weight: 326.4
CAS NO. 1843-05-6
Structured:

Product specification:
 

appearance	Light yellow acicular crystalline powder
content	≥99%
Molecular weight	326.4
Melting point	47-49ºC
ash	≤0.1%
volatile	≤0.5%
Light transmittance	450nm>90%   500nm>95%
solubility(25 0C) (g/100g solvent)	Acetone: 43 toluene :55 Methanol: 2 Ethanol (95%):3.5 N-heptane :40 n-hexane :40.1

Performance and Use:

UV absorbent UV-531 is a kind of anti-aging additives with excellent performance and high efficiency, can absorb 270-340 nm UV light, with light color, non-toxic, good compatibility, small migration, easy to process and other characteristics. It provides maximum protection to the polymer and helps to reduce color, while delaying yellowing and arresting the loss of physical properties. It is widely used in PE, PVC, PP, PS, PC, plexiglass, polypropylene fiber and ethylene vinyl acetate and other aspects. And for the dry phenolic and alkyd varnish, polyurethane, acrylic acid, epoxy and other air drying products and automobile refit paint, powder coating, polyurethane, rubber products, etc., to provide them with good light stabilization effect. The dosage of 0.1% to 0.5%.
 

Packaging & Shipping

Packaging and storage:
UV absorbent UV-531 is non-toxic, non-flammable, non-explosive, non-corrosion, good storage stability. Cardboard bucket or carton lined with plastic bag, net weight 20 or 25 kg, can also be designed according to customer requirements.

Application display

Certifications

FAQ

Q: Are you trading company or manufacturer? 
A: We are factory with Certification of ISO9001:2008, ISO14001:2004 and OHSAS18001:2007. 

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity. 

Q: Do you provide samples? is it free or extra? 
A: Yes, we could offer the sample for free charge and pay the cost of freight if you sincerely test. 

Q: What is your terms of payment?
A:100% in advance