Appearance | Slightly yellow or white powder |
Assay | ≥ 99% |
Melting point | 62-66 °C |
Loss on drying | ≤ 0.5% |
Ash | ≤ 0.1% |
Toxicity : Rat LD 50 >7.4g/kg body weight taking orally.
Use : As the ultraviolet absorption agent, it is available to unsaturated polyester, polyethylene and PVC etc. The max absorbing wavelength range is 290-400nm.The general consumption: 0.1-0.5% for thin matter, 0.05-0.2% for thick matter.
Storage and transportation : The chemical stability is good. It can be stored and transported according to the general chemical matter regulation.