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UV-326
Chemical name:
2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole
Molecular formula:
C17H18N3OCl
Molecular weight:
315.8
Structural formula:

CAS #:
3896-11-5
Properties & Uses:

it is light stabilizer, adsorbing wavelength is 270-380nm , it is widely used in polyolefine , but not for food vessel. It is low volatility, good resistance to heat degradation,. It can be used in UV protection of polyester resin or form metal during the heat of resin. It is additive of plastic.

Technical standard:

Appearance:

light yellow powder

Assay :

≥99%

Melting point:

138-141℃

Light transmittance:

460nm≥98%

500nm≥99%

Volatile matter:

≤0.3%
Packing:
 In net wt. 25kg/cardboard drum(paper sack)
Storage:

Good stability during the period of Storage, avoid high temperature and moisture.

 

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