Linsorb Tinuvin 622

Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol-alt-1,4-butanedioic acid)

Formula H[C15H25O4N]nOCH3  
Molecular Weight 3100-4000
CAS# 65447-77-0

Appearance Colorless to light yellowish micro granules
Melting point 50℃-70℃
Flashpoint > 250°C
Solubility(20℃) Water < 0.01
MeoH 0.05
EtoH 0.08
Acetone 4
Ch2Cl2 >40.0
Hexane <0.01

>Light stabilizer 622 features: Oligomeric hindered amine light stabilizer (HALS). used as tinuvin 622 equivalent.

>UV 622 Is the light stabilizer of choice for all applications calling for low volatility and minimal migration.

>It is highly effective in pigmented systems and systems using carbon black. Typical end-use applications include adhesives, sealants, elastomers, fibers, and films.

Combinations of Tinuvin 622 with UV absorbers result in synergistic effects.

>Note: The presence of UV absorber (e.g. UV 326/328 and UV 531) is recommended in unpigmented or slightly pigmented articles or to improve the light fastness of certain organic pigments.

Handling and Safety: 

>Not intended for use in applications that come in contact with food or in products that may come in contact with mucous membranes or abraded skin or be implanted into the body.

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


25kg per fiber drum, 9*3 layer 27drum per pallet,or according to customers’ requirements.

Linsorb 622 TDS:            

Linsorb 622 tds

Additional information

Weight 25 kg
Dimensions 650 × 450 × 150 mm