Dawb To Pale Yellow Powder Avobenzone Cas 70356-09-1
Muaj ntau ntau hom ultraviolet absorbers, ntawm cov phenylketone ultraviolet absorbers tau dav siv thiab muaj txiaj ntsig zoo rau kev tshawb fawb. Avobenzone yog ib hom benzone ultraviolet absorbent, thiab tseem yog ib qho tseem ceeb heev organic synthesis intermediate.
| ITEM | STANDARD | TSEEM CEEB |
| Qhov tshwm sim | Dawb rau daj ntseg daj hmoov | Pleev daj hmoov |
| IKev kho hniav (IR) | Matches siv spectrum | Ua raws |
| Ikev kho hniav (Lub sijhawm khaws cia) | Matches lub sijhawm khaws cia | Ua raws |
| UV tshwj xeeb extinction | 1100-1180 Nws | 1170 ib |
| Melting point | 81.0 ℃ -86.0 ℃ | 83.8 ℃ -84.6 ℃ |
| Chromatographic purity(GC) | Txhua impurity ≤3.0% | 1.2% |
| Tag nrho impurities ≤4.5% | 1.4% | |
| Residual kuab tshuaj | Methanol ≤3000ppm | Ua raws |
| Toluene ≤890ppm | Ua raws | |
| Microbial purity | Tag nrho cov nqi ntawm aerobe ≤100CFU / g | Ua raws |
| Tag nrho cov poov xab thiab pwm ≤100CFU / g | Ua raws | |
| Poob rau ziab | ≤0.5% | 0.03% |
| Kev ntsuam xyuas (GC) | 95.0-105.0% | 100.1% |
Avobenzone yog hluavtaws ultraviolet absorber, uas yog UV-A zoo (> 320nm) ultraviolet absorber. Nws tuaj yeem thaiv UVA ntawm tag nrho cov wavelength (320-400nm). Nws yog ib qho txiaj ntsig dav-spectrum roj-soluble UVA lim. Nws tuaj yeem muab tag nrho UVA thiab UVB tiv thaiv thaum ua ke nrog lwm cov tshuaj tiv thaiv UVB los tiv thaiv kab mob ntawm daim tawv nqaij los ntawm lub teeb.
25kg thawv los yog yuav tsum tau ntawm cov neeg siv khoom. Khaws nws kom deb ntawm lub teeb ntawm qhov kub hauv qab 25 ℃.
Avobenzone Cas 70356-09-1
