Best grade Light Stabilizer UV-622 CAS No. 65447-77-0

CAS No.: 65447-77-0
Formula:  H[C15H25O4N]nOCH3
Color: White
Appearance: Powder
Transport Package: in 25kg Carton
Specification: Hindered Amine light Stabilize

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Product Description

Product name: Light Stabilizer 622 
Chemical name: Poly-(N-β-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate) 
CAS No: 65447-77-0 
Molecular formula: H[C15H25O4N]nOCH3 
Property Typical value
Appearance white or pale yellow powder
Transmittance 425nm ≥ 97%
500nm ≥98%
Content(HPLC) ≥99.0%
Volatile ≤0.5% (105ºC. 2hrs)
Ash ≤0.1%

Molecular weight (Min): > 2500 (contrast with polystyrene)

Hindered amine light stabilizer. It is used in light aging inhibition of polyethylene, polypropylene, polyurethanemetaformaldehyde polyamine and polyester, also in ABS and engineering plastics.
Storage: Store in dry places below 30ºC, avoiding heat and moisture. 
Package: 25kgs carton (inner with plastic bag) or according to the customer's demands

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Main products

Optical brightener: OB-1   OB   NFW   MDAC(SWN)   KSN   KCB   FP-127   CBS-X

Pigment: Red 122   Yellow 110   Yellow 138   Violet 23   Violet 19

UV Stabilizer: 783   770   944   622   292

Antioxidant: 168   1010   1076   245   425   BHT(264)   2246

UV Absorber: 1577   531   571   234   1130   360   99-2   UV-1   327   328   326   329   


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Light stabilizer | cas 65447-77-0