Ultraviolet absorber UV-328

price: Negotiable
minimum:
Total supply:
Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-24 17:31
Browse the number: 81
inquiry
Company Profile
 
 
Product details

Chemical Name: 2-(2`-Hydroxy-3`,5`-dipentylphenyl) benzotriazole CAS No: 21615-48-6

Molecular Formula: C22H29N3O

Appearance: White to light yellow powder

Assay:≥99%

Melting point: 80 -83ºC

Loss on drying:≤0.5%

Ash:≤0.1%

Light Transmittance: 440 nm≥97%,500nm≥98%.

Use: As the ultraviolet absorption agent, it is available to polyolefine, polystyrene, PVC, polyurethane, polyester etc. It is excellent in benzotriazole kind of uv-absorber. The max. absorbing wavelength is 345nm.The general consumption is about 1%.Note: Toxicity is low. FDA(USA)has permitted it to be used as the foodstuff packing material.

Total0bar [View All]  Related Comments
 
more»Other products

[ Products search ] [ favorites ] [ Tell friends ] [ Print ] [ Close ]