UV Absorber UV-3638 with Strong and Broad UV Absorption

• CAS No.: 18600-59-4
• Formula: C22h12n2o4
• EINECS: 418-280-1
• Color: White
• Kind: UV Absorber
• Appearance: Powder
• Model NO.: UV3638
• Storing: Sealed, Dry and Dark Conditions
• Transport Package: 25kg Carton
• Specification: powder
• Trademark: DEBORN
• Origin: China

Product Description

Chemical Name: 2,2'-(1,4-phenylene)bis[4H-3,1-benzoxazin-4-one]
Synonyms:1-Benzoxazin-4-one,2,2'-(1,4-phenylene)bis-4H-3
Molecular Formula  C22H12N2O4
Molecular Weight   368.34
Structure



CAS Number   18600-59-4

Specification

Appearance	White to off- white crystalline powder
Content	≥98%
Melting point	≥310ºC
Ash	≤0.1%
Loss on drying	≤0.5%

Applications:
UV-3638 offers very strong and broad UV absorption with no color contribution. Possesses very good stabilization for polyesters and polycarbonates. Provides low volatility. Imparts high UV screening efficiency.

Package and Storage

1. 25kg carton
2. Stored in sealed, dry and dark conditions.

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