Khoom Taw Qhia Thiab Daim Ntawv Thov
Avobenzone is a synthetic UV absorber, is a good UV-A(>320nm) hom UV absorber, tuaj yeem thaiv tag nrho band (320 ~ 400nm) UVA, yog ib qho txiaj ntsig dav-spectrum roj-soluble UVA lim, yog li nws tau siv dav hauv cov khoom siv tshuaj pleev thaiv hnub dav dav, ua ke nrog lwm cov tshuaj tiv thaiv UVB, muab tag nrho UVA thiab UVB tiv thaiv kab mob qog noj ntshav ntawm daim tawv nqaij.
Daim ntawv thov:Sunscreen tus neeg sawv cev
Technical Parameter
|
Qhov tshwm sim |
Dawb rau daj ntseg daj hmoov |
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Ldentity(IR)USP<197K> |
Matches siv spectrum |
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Tus Kheej (Lub sijhawm khaws cia) USP<621> |
Matches lub sijhawm khaws cia |
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UV tshwj xeeb extinction: (E 1%, 1 cm ntawm 357 nm hauv ethanol) Spectrophotometric USP<197U> |
1100-1180 |
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Melting point USP<741> |
81. 0 degree ~{2}} 0 degree |
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Poob ntawm ziab (%) USP<731> |
0.5 max |
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Chromatographic purity GC USP<621> |
Txhua impurity (%) |
3. 0 max |
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Tag nrho impurities (%) |
4.5 max |
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|
Kev ntsuam xyuas (%) GC USP<621> |
95.0~105.0 |
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|
Residual kuab tshuaj GC USP<467> |
Methanol (ppm) |
3000 max |
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Toluene (ppm) |
890 max ua |
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|
Microbial purity |
Tag nrho cov nqi ntawm aerobe |
100 CFU/g max |
|
Tag nrho cov poov xab thiab pwm |
100 CFU/g max |
|
Ntim Thiab Cia
25kg / nruas
Cia hauv qhov chaw qhuav qhuav
Cim npe nrov: avobenzone cas: 70356-09-1, Tuam Tshoj avobenzone cas: 70356-09-1 manufacturers, lwm tus neeg, Hoobkas












