Avobenzone
Avobenzone(BMDM, Butyl methoxydibenzoylmethane) yog lub hnub ci tshuaj ntsuam tshuaj uas muaj kev tiv thaiv ntau yam tiv thaiv uVA rays.Avobenzone absorbs ob qho tib si UV-(380-315 nm uas cuam tshuam nrog kev puas tsuaj rau daim tawv nqaij ntev) thiab UV-B (315-280 nm uas ua rau tshav kub kub) rays. Avobenzone yog lub npe hu ua ib qho tshuaj pleev thaiv hnub zoo tshaj plaws.
Tseem ceeb Technical Parameters:
| Qhov tshwm sim | Dawb rau daj ntseg daj hmoov | ||
| Identity(IR)USP | Matches siv spectrum | ||
| Tus Kheej (Lub Sijhawm Tuav Pov Hwm) USP | Matches lub sijhawm khaws cia | ||
| UV tshwj xeeb extinction (E1%1cm uantawm 357 nm hauv ethanol) Spectrophotometric USP | 1100-1180 Nws | ||
| Melting point USP | 81.0 ℃ ~ 86.0 ℃ | ||
| Poob ntawm ziab (%) USP | 0.50 max | ||
| Chromatographic purityGC USP | Txhua impurity (%) | 3.0 max | |
| Tag nrho impurities (%) | 4.5 max | ||
| Assay(%) GC USP | 95.0 ~ 105.0 | ||
| Cov kuab tshuaj residual | Methanol (ppm) | 3000 max | |
| Toluene (ppm) | 890 max ua | ||
| Microbial purity | Tag nrho cov nqi ntawm aerobe | 100 CFU/g max | |
| Tag nrho cov poov xab thiab pwm | 100 CFU / g max | ||
Daim ntawv thov:
Cov tshuaj pleev thaiv hnub, cov khoom siv kho tus kheej, kev tu lub hnub, Kev tu menyuam yaus hnub ci, kev tu tawv nqaij txhua hnub, cov tshuaj pleev ib ce zoo nkauj nrog lub hnub tiv thaiv, Broad spectrum UV-A lim.
* Ib Lub Tuam Txhab Kev Lag Luam-University-Kev Tshawb Fawb Kev Sib Koom Tes Innovation Company
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