DL-Mandelic Acid 90-64-2 Anti-aging
Kev Them Nyiaj:T / T, L / C
Khoom Keeb Kwm:Tuam Tshoj
Shipping Chaw nres nkoj:Beijing / Shanghai / Hangzhou
Kev txiav txim (MOQ):1kg ua
Lub Sijhawm Lead:3 hnub ua haujlwm
Muaj peev xwm ntau lawm:500kg / hli
Kev cia khoom:Khaws rau hauv qhov chaw txias, qhuav, chav sov.
Cov khoom siv pob:nruas
Pob loj:1kg / nruas, 5kg / nruas, 10kg / nruas, 25kg / nruas
Taw qhia
Mandelic acid yog alpha hydroxy acid (AHA) uas yog siv los ua kom tawv nqaij.Nws yog siv los kho pob txuv, hyperpigmentation, thiab daim tawv nqaij laus.Mandelic acid yog siv nyob rau hauv cov khw muag khoom ntawm cov khoom siv tawv nqaij thiab hauv cov tshuaj pleev ib ce.
Mandelic acid yog ib qho ntawm cov khoom xyaw zoo.Txawm hais tias tsis muaj kev tshawb fawb ntau txog qhov no alpha hydroxy acid (AHA), nws tau xav tias yuav maj mam rau ntawm daim tawv nqaij thiab yuav pab tau pob txuv, tawv nqaij zoo nkauj, hyperpigmentation, thiab cov teebmeem ntawm kev laus.
Specification (kev ntsuam xyuas 99.5% -102.0% nce los ntawm HPLC)
| Yam khoom | SPECIFICATION |
| Qhov tshwm sim | Dawb siv lead ua |
| Solubility | Soluble hauv dej thiab ether |
| Cyanide | Yuav tsum tsis tuaj |
| Kev ntsuam xyuas (benzene) | 50 ppm max |
| Assay (ntawm qhuav hauv paus) | 99% min |
| Melting point | 117 ~ 121 ℃ |
| [a]D20 | ± 0.25 ° |
| Transmittance (10% w / v dej) | 90% NLT |
| Residue ntawm ignition | 0.5% MAX |
| Tawg | <20 NTU |
| Moisture | 0.5% MAX |
