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UV Absorber 327, Tinuvin 327

Chemical Name:


Formula C20H24N3OCl  
Molecular Weight 357.9
CAS# 3864-99-1


Physical Properties:
Appearance Yellowish crystalline powder
Melting Point 154-157 ℃
Ash ≤0.1%
Loss On Drying ≤0.5%
Purity ≥99%(HPLC)
Transmittance 460 nm≥95%   500 nm≥97%

UV 327 shows good thermal stability, low volatility, good compatibility with polyolefins. It hardly absorbs visible light, especially suitable for colorless, transparent and light-coloured products. Used as Tinuvin 327 equivalent.

UV 327 is suitable for polyolefin, polyvinyl chloride, polymethyl methacrylate, polyoxymethylene, polyurethane and ABS resin, especially suitable for polypropylene fiber. 

Recommended dosage: polyolefin 0.2-0.6%, PVC 0.2-0.5%, ABS resin 0.3-0.5%.

Handing and safety:

>For additional handing and toxicological information, please consult us for Maternal Safety Date Sheet.


20 KG cartons or drums.

Additional information

Weight 25 kg
Dimensions 650 × 450 × 150 mm