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factory Outlets for Polyquaternium - UV Absorber UV-328 CAS NO.: 25973-55-1 – DEBORN


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"Sincerity, Innovation, Rigorousness, and Efficiency" could be the persistent conception of our enterprise to the long-term to produce together with clients for mutual reciprocity and mutual profit for Light Stabilizer Uv-571, Uv-571, Cas No.65816-20-8, Welcome your traveling to and any your inquires,sincerely hope we could have chance to cooperate along with you and we can build-up extensive nicely small business romantic relationship along with you.
factory Outlets for Polyquaternium - UV Absorber UV-328 CAS NO.: 25973-55-1 – DEBORN Detail:

Chemical name 2-(2′-Hydroxy-3′,5′-dipentylphenyl)benzotriazole
Molecular formula C22H29N3
Molecular weight 351.5
CAS NO. 25973-55-1

Chemical structural formula
uv328

Specification

Appearance White to light yellow powder
Content ≥ 99% 
Melting Point 80-83°C
Loss on drying ≤ 0.5% 
Ash ≤ 0.1% 

Light transmittance

Wave length nm Light transmittance %
440 ≥ 96
500 ≥ 97

Toxicity: low toxicity and used in food packing materials.
Use: This product is mainly used in polyvinyl chloride, polyurethane, polyester resin and others. Max absorption wave length range is 345nm.
Water solubility: Soluble in benzene, toluene, Styrene, Cyclohexane and other organic solvents.

Packing and Storage
Package: 25KG/CARTON
Storage: Stable in property, keep ventilation and away from water and high temperature.


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    5 Stars By Nydia from Philadelphia - 2018.05.15 10:52
    Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
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