Relysorb? 531

【INTRODUCTION】

CAS Number: 1843-05-6 Chemical Name: 2-Hydroxy-4-n-octoxybenzophenone 

Structure：

Relysorb^?531 is a light stabilizer recommended for applications that demand low volatility and minimal migration due to its high molecular weight and oligomeric structure. 

【PERFORMANCE BENEFITS 】

Relysorb^?531 is characterized by:

? Extraordinary UV stabilization efficiency 

? Low color and volatility 

? Improved flow and handling

?Enhanced color stability during storage

? Sanctioned for use in polyolefin’s by FDA

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【TYPICAL PROPERTIES】

Appearance	Light yellow powder
Molecular weight	326g/mol
Melting Point	47-49℃
Volatile Content	≤0.2%
Ash Content	≤ 0.1%
Transmittance	450nm≥92%,500nm≥95%
TGA (10%)	268℃

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【SUGGESTED APPLICATIONS】

Relysorb^?531 is chiefly used in PE, PVC, PP, PS, PC, PMMA, EVA etc. The maximal absorbing wavelength range is 300-375nm.Thegeneral consumption is 0.2-0.6% 

  

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【HEALTH AND SAFETY】 

Direct contact with this material may cause skin and eyes irritation. Harmful if swallowed. Refer to the Material Safety Data Sheet (MSDS) for safety, health and environment information. 

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【STORAGE AND HANDLING】

The chemical stability is good. It can be stored in cool, dry, well-ventilated environment. 

Shipping Container: 25kg carton box(inner with PE bag)or according to customer’s request.