Chemical name : 2,4-Dihydroxy benzophenone
Molecular Formula : C13H10O2
Molecular Weight : 214
CAS NO : 131-56-6
Specification :
Appearance : Light yellow crystal or white power
Assay : ≥ 99%
Melting point : 142-146 °C
Loss on drying : ≤ 0.5%
Ash : ≤ 0.1%
Light Transmittance :
wavelength nm |
T % |
440 |
≥ 97 |
500 |
≥ 98 |
Toxicity : Toxicity is low. Rat LD 50 >5g/kg body weight taking orally.
Use : As the ultraviolet absorption agent, it is available to PVC, polystyrene and Polyolefine etc. The max absorbing wavelength range is 280-340nm.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.