Qhov sib txawv tseem ceeb ntawm azelaic acid thiab salicylic acid yog azelaic acid yog ib qho aliphatic compound, whereas salicylic acid yog ib qho aromatic compound.
Azelaic acid yog cov organic compound nrog cov mis HOOC(CH 2)7COOH thaum Salicylic acid yog cov organic compound muaj cov Cov tshuaj formula C7H6O3 Ob leeg azelaic acid thiab salicylic acid yog carboxylic acid pawg uas muaj cov organic. tshuaj sib xyaw. Lawv muaj cov qauv tshuaj sib txawv thiab cov tshuaj sib txawv thiab lub cev.
Azelaic Acid yog dab tsi?
Azelaic acid yog ib qho organic compound nrog cov mis HOOC(CH2)7COOH. Tsis tas li ntawd, cov tshuaj no poob rau hauv qeb ntawm dicarboxylic acids. Nws zoo nkaus li cov hmoov dawb dawb, thiab peb tuaj yeem pom cov kua qaub no hauv cov nplej, barley, thiab rye nroj tsuag. Tsis tas li ntawd, qhov sib xyaw no yog qhov ua ntej rau ntau lub tebchaw xws li polymers thiab plasticizers. Tsis tas li ntawd, nws yog ib qho khoom muaj nyob rau hauv ntau cov plaub hau thiab tawv nqaij txias.
Daim duab 01: Cov qauv tshuaj ntawm Azelaic Acid
Cov molar loj ntawm azelaic acid yog 188.22 g / mol. Nws yog ib qho aliphatic molecule uas muaj carboxylic acid pawg ntawm ob kawg ntawm cov saw hlau ntawm carbon atoms. Hauv cov ntawv thov kev lag luam, qhov sib xyaw no yog tsim los ntawm ozonolysis ntawm oleic acid. Txawm li cas los xij, nws yog ib txwm tsim los ntawm qee hom poov xab uas nyob ntawm daim tawv nqaij. Ntxiv mus, cov kab mob degradation ntawm nonanoic acid kuj muab azelaic acid.
YSalicylic Acid yog dab tsi?
Salicylic acid yog cov organic compound uas muaj cov tshuaj formula C 7H6O3 Nws yog ib qho tseem ceeb heev raws li cov tshuaj uas pab tshem tawm cov txheej txheem ntawm daim tawv nqaij. Salicylic acid yog xim tsis muaj xim rau dawb crystalline khoom uas tsis muaj ntxhiab thiab. Cov molar mass ntawm no compound yog 138.12 g / mol. Tsis tas li ntawd, qhov melting point ntawm salicylic acid crystals yog 158.6 ° C thiab, nws decomposes ntawm 200 ° C. Tsis tas li ntawd, cov pob zeb salicylic acid tuaj yeem ua rau sublimation ntawm 76 ° C (sublimation yog hais txog kev hloov pauv ntawm cov khoom ncaj qha mus rau hauv nws lub vapor theem yam tsis tau mus txog theem ua kua). Lub npe IUPAC ntawm cov organic compound no yog 2-Hydroxybenzoic acid.
Daim duab 02: Cov qauv tshuaj ntawm Salicylic Acid
Salicylic acid yog ib qho tshuaj tseem ceeb. Nws muaj txiaj ntsig zoo hauv kev kho pob txuv, dandruff, pob txuv thiab lwm yam kab mob ntawm daim tawv nqaij vim nws muaj peev xwm tshem tawm txheej txheej ntawm daim tawv nqaij. Yog li ntawd, qhov sib xyaw no yog ib qho tseem ceeb hauv kev tsim cov khoom siv tawv nqaij; Piv txwv li, nws yog ib qho khoom xyaw hauv qee cov tshuaj zawv plaub hau los kho dandruff. Ntxiv mus, nws yog ib qho tseem ceeb hauv kev tsim Pepto-Bismol, cov tshuaj siv los kho cov kab mob plab hnyuv. Salicylic acid kuj tseem siv tau ua zaub mov preservative.
Qhov txawv ntawm Azelaic Acid thiab Salicylic Acid yog dab tsi?
Azelaic acid yog cov organic compound nrog cov mis HOOC(CH 2)7COOH thaum Salicylic acid yog cov organic compound muaj cov Cov tshuaj formula C7H6O3 Qhov sib txawv tseem ceeb ntawm azelaic acid thiab salicylic acid yog azelaic acid. yog ib qho aliphatic compound, whereas salicylic acid yog ib qho aromatic compound. Ntxiv mus, azelaic acid muaj ob pawg carboxylic acid ib molecule, thaum salicylic acid muaj ib pawg carboxylic acid ib molecule.
Cov lus hauv qab no qhia txog qhov sib txawv ntawm azelaic acid thiab salicylic acid.
Summary - Azelaic Acid vs Salicylic Acid
Ob leeg azelaic acid thiab salicylic acid yog carboxylic acids. Qhov sib txawv tseem ceeb ntawm azelaic acid thiab salicylic acid yog azelaic acid yog ib qho aliphatic compound, whereas salicylic acid yog ib qho aromatic compound.
