UV 531 UV Absorber Plastic Additive for PE PP PVC Masterbatch

• Customization: Available
• CAS No.: 131-57-7
• Formula: C21h26o3
• Model NO.: UV-531
• EINECS: 205-066-3
• Certification: CCIC, REACH
• Environmental Protection: Yes
• Color: Yellow
• Kind: Antioxidant
• Appearance: Powder
• Transport Package: Bags
• Specification: 25kg/bag
• Trademark: NEWSANDA
• Origin: China
• HS Code: 29145000
• Production Capacity: 15000tons Per Year
• Package Size: 40.00cm * 45.00cm * 115.00cm
• Package Gross Weight: 27.000kg

Product Description

Product Description

NEWSANDA UV-531

NEWSANDA UV-531 is a high-efficiency benzophenone-type ultraviolet light absorber. Its chemical name is 2-Hydroxy-4-n-octoxybenzophenone (CAS 131-57-7). This pale yellow crystalline powder offers superior UV absorption in the 290-360 nm range, effectively protecting polymers from photo-degradation and yellowing. With a high purity of ≥99% and excellent compatibility, it is widely used in plastics (PP, PE, PVC), coatings, adhesives, and rubber products to significantly enhance their weather resistance and service life. Our product is known for its reliable quality, comprehensive technical support, and global compliance.

Specification

Product Name	UV Absorber UV-531	Appearance	Powder
Chemical Name	2-Hydroxy-4-n-octoxybenzophenone	Category	Chemical Auxiliary Agent, UV Absorber
Model / Type	UV-531	Primary Applications	Plastic Additives, Rubber Additives
CAS No.	131-57-7	Brand	NEWSANDA
EINECS No.	205-066-3	Origin	China
Molecular Formula	C21H26O3	Packaging	25kg/Drum
Purity	99.9%	Minimum Order Quantity	1 Metric Ton (MT)

SPECIFICATION	INDEX
Appearance	Slightly yellow powder
Melting point, ℃	47.0-50.0
Clarity of solution	Clear
Transmittance,   440nm, % 460nm, % 500nm, %	84.0min 96.0min 97.0min
Volatiles, %	0.20 max
Ash,%	0.10 max
Assay, %	99.0min

Application

Why Choose Us

Company Profile

Qingdao New Sanda Industry Co., Ltd.

Qingdao New Sanda Industry Co., Ltd.is a high-tech enterprise specializing in the research and development of chemical products and international trade. It is dedicated to the development, production, trading, and import/export business of basic raw materials such as coatings, rubber, and plastics. The company has an independent research and development center and inspection center, which can track and control all procedures from small-scale experiments and pilot tests to industrial production. In addition, we have purchased advanced experimental and inspection facilities and established a complete inspection system and QA system, thereby providing a solid guarantee for providing customers with high-quality products.