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UV-327(Benzotriazole UV Absorber )

CAS: 3864-99-1
FOB Price: 
Minimum Order Quantity:
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Payment Terms:L/C,T/T,
Updatetime:Feb 19 2014
Company Profile
Contact:joy wang
Address: 12A-11 Yangguang Shuma Building, 596 Huang Pu Road, DaLian, Liaoning 116023, P.R. China
Quick Details
Classification: Other Chemicals
Cas NO.: 3864-99-1
Molecular Formula: C20H24ClN3O
Melting Point: 150-158℃
Boiling Point: 469.2 oC at 760 mmHg
Water Solubility: Insoluble
Refractive index:1.596
Flash Point: 237.6 oC
Appearance: Slightly yellowish powder
Brand Name:
EINECS: 223-383-8
Packaging & Delivery
Packaging Detail:
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Detailed Description

 UV-327(Benzotriazole UV Absorber )

Chemical name : 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole
Introduction: UV-327 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-327 is recommended in a variety of polymers and organic substrates, including acrylic polymers, polycarbonate, polyesters, styrene homo- and copolymers, unsaturated polyesters, polyvinyl chloride, polyolefins, polyvinyl butyral, elastomers, and adhesives.

Molecular formula: C17H18N3OCl
CAS NO : 3864-99-1
Structure :

Molecular Weight : 357.9  Appearance : slight yellow powder

Melting Range : 154-157 °C 

Transmittance (%) : 460nm≥95  500nm≥98


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

Packing:UV-327 is available in powder form in a 25 kg  fiber drum or 25kg carton with an inner PE liner.


Company Information
Name:dalianrichfortune chemicals Co.,Ltd
Trade Category: Manufacturer
Registered Time: 0
Registered Capital:
Legal Representative:
Address: 12A-11 Yangguang Shuma Building, 596 Huang Pu Road, DaLian, Liaoning 116023, P.R. China
Product/Service: plastic and rubber additives(such as optical brighteners, Antioxidants, UV absorber, Accelerators), photoinitiators, biphenyl, biphenyl oxide and hydrogenated terphenyl

Dalian Richfortune Chemicals Co., Ltd. Is an international manufacture and supplyer in China, specializing in R&D, contract/custom manufacturing and exporting various chemicals worldwide With years of dedicated in Inorganic Chemicals, Fluorescent Brightening Agent(FBA), Intermediates, Inhibitor Agent, Ultraviolet Absorbent Agent, Antioxidant, Food Additives, pharmaceutical and specialty chemicals etc. Richfortunechem grows fast and had won sound reputation among customers world-wide, Confidently Richfortunechem will become a leading trustworthy source in above-mentioned fields. Richfortunechem owns quality control center with advanced organic synthesis apparatus such as glass reactors with low and high temperature control, high pressure reactors, short path thin film evaporator etc. a.....more>>

Precursor and Product