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Ultraviolet absorbent UV-9 131-56-6

Item Code:131-56-6 Features:99.0%
  • Description

 

Synonyms

Ultraviolet absorbent UV-9

CAS RN

131-56-6

Structural formula

Molecular weight

228.24

Molecular Formula

C14H12O3

Indicators

Appearancewhite or light green crystal powder
Melting point 62.0-65.0 ℃
Loss on drying ≤ 0.2%
Content ≥ 99.0%
Heavy metal ≤ 5ppm
Ignition residue <0.1%
Mucedine <100CFU
Total number of bacterium <300CFU, no checking salmonella and colibacillus
Specific absorptivity(288nm) ≥ 630
Nontoxicity: no thrill for skin.
Packingpaper drum 25kg/ drum
Storage: airproof and avoid light
Useit is wide ultraviolet absorbent. It has many features including notoriety, heat stability and others. It has protection function for PVC and unsaturated polyester
Valid period2 years

 

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