Newgreen Supply Tshuaj pleev ib ce Qib Salicylic Acid CAS 69-72-7
Product Description
Salicylic acid yog dawb crystalline hmoov, tsw tsw, me ntsis iab thiab ces ntsim. Lub melting point yog 157-159 ºC, uas maj mam hloov xim nyob rau hauv lub teeb. Tus txheeb ze ntom ntom 1.44. Kub taw tes yog hais txog 211 ºC / 2.67kpa. Sublimation ntawm 76 ºC. Nws yog rhuab sai thiab decomposed rau hauv phenol thiab carbon dioxide nyob rau hauv ib txwm siab. Nws muaj peev xwm yaj li 3 ml ntawm roj av glycerin thiab 60 ml ntawm ethyl ether nyob rau hauv 3ml ntawm boiling dej, thiab txog 3 ml ntawm acetone thiab 60 ml ntawm salicylic acid nyob rau hauv 3ml ntawm boiling dej. Ntxiv sodium phosphate thiab borax tuaj yeem ua rau kom muaj kev sib haum xeeb ntawm salicylic acid hauv dej. Tus nqi pH ntawm salicylic acid aqueous tov yog 2.4. Salicylic acid thiab ferric chloride aqueous tov ua ib qho ntshav tshwj xeeb.
COA
| Yam khoom | STANDARD | TEST RESULT |
| Assay | 99% salicylic acid | Ua raws |
| Xim | Dawb hmoov | Ua raws |
| tsw | Tsis muaj ntxhiab tsw tshwj xeeb | Ua raws |
| Particle loj | 100% dhau 80 mesh | Ua raws |
| Poob rau ziab | ≤ 5.0% | 2.35% |
| Cov seem | ≤ 1.0% | Ua raws |
| Hnyav hlau | ≤ 10.0ppm | 7ppm ua |
| As | ≤ 2.0ppm | Ua raws |
| Pb | ≤ 2.0ppm | Ua raws |
| Tshuaj tua kab residue | Tsis zoo | Tsis zoo |
| Tag nrho cov phaj suav | ≤100cfu / g | Ua raws |
| Poov & Pwm | ≤100cfu / g | Ua raws |
| E. Coli | Tsis zoo | Tsis zoo |
| Salmonella | Tsis zoo | Tsis zoo |
| Xaus | Raws li Specification | |
| Cia | Khaws rau hauv qhov chaw txias & qhuav, Cia kom deb ntawm lub teeb muaj zog thiab cua sov | |
| Txee lub neej | 2 xyoos thaum khaws cia zoo | |
Muaj nuj nqi
1. Exfoliate : salicylic acid hmoov tuaj yeem yaj cov keratin, tshem tawm cov laus stratum corneum, txhawb kev tsim cov stratum corneum tshiab, yog li ua rau daim tawv nqaij smoother thiab muag heev.
Cleansing daim tawv nqaij: muaj peev xwm mus txog rau hauv lub tob txheej ntawm daim tawv nqaij, ntxuav lub tob txheej ntawm cov kab mob thiab impurities, txhim kho tag nrho cov kev noj qab haus huv ntawm daim tawv nqaij.
2. Unclog pores : Pab kom cov tawv nqaij ntshiab thiab dawb los ntawm kev tshem tawm impurities los ntawm lub qhov hws thiab alleviating cov tsos mob ntawm loj pores.
3. Tswj cov roj secretion: txhim kho cov metabolism ntawm daim tawv nqaij, tswj cov roj secretion, txhim kho cov tsos mob ntawm cov roj ntau dhau.
4. Anti-inflammatory : txhawb kev mob hauv zos kom txo qis, zam kev mob thiab kis kab mob, rau cov tawv nqaij rhiab lossis feem ntau raug rau sab nraud ntawm daim tawv nqaij, kev siv cov khoom uas muaj salicylic acid tuaj yeem txo qhov tsis xis nyob ntawm daim tawv nqaij.
Tsis tas li ntawd, salicylic acid hmoov kuj muaj cov haujlwm thiab cov teebmeem ntawm softening cutin, antibacterial, anti-khaus, txhawb cov tawv nqaij metabolism, thiab lwm yam. Txawm li cas los xij, nws yuav tsum tau siv raws li kev qhia ntawm tus kws kho mob kom tsis txhob siv qhov muag tsis pom kev, kom tsis txhob muaj qhov tsis tsim nyog. kev puas tsuaj rau lub cev. Salicylic acid nyob rau hauv dermatology feem ntau yog siv los kho ntau yam kab mob ntawm daim tawv nqaij xws li pob txuv (pob txuv), ringworm, thiab lwm yam, tuaj yeem tshem tawm cov keratin, sterilization, anti-inflammatory, zoo heev rau kev kho mob ntawm pores los ntawm pob txuv.
Daim ntawv thov
1) Preservative Salicylic acid tuaj yeem siv los ua qhov taw qhia fluorescent
2) Preservative Salicylic acid yog dav siv hauv kev lag luam roj hmab thiab tuaj yeem siv los ua ultraviolet absorber thiab foaming agent.
3) Preservative Salicylic acid kuj yog siv dav hauv tungsten ion preservatives
4) Preservative Salicylic acid tuaj yeem siv los ua ib qho ntxiv hauv cov electrolyte
Ntim & Xa
