High purity Salicylic acid hmoov CAS 69-72-7
High purity Salicylic acid hmoov nrog tus nqi zoo CAS 69-72-7
Khoom npe: Salicylic acidCAS Nr .: 69-72-7
Cov mis mos molecular: C7H6O3
Molecular Luj: 138.12
Salicylic acid yog dab tsi?
Salicylic acid yog ib tsob nroj willow bark extract, thiab kuj yog ib tug natural anti-inflammatory.
Salicylic acid feem ntau siv rau hauv kev kho mob ntawm ntau yam kab mob ntawm daim tawv nqaij nyob rau hauv dermatology,xws li pob txuv (pob txuv), ringworm thiab lwm yam.
Salicylic acid tuaj yeem tshem tawm horny, sterilization, anti-inflammatory, uas yog heev haumrau kev kho pob txuv los ntawm clogs, thoob ntiaj teb mainstream pob txuv khoom yogsalicylic acid, qhov concentration feem ntau yog 0.5 mus rau 2%.
Kev ua haujlwm ntawm salicylic acid
Salicylic acid tuaj yeem siv los ua cov khoom siv tshuaj. Rau kev npaj tshuaj aspirin, sodium salicylate, salicylamide, analgesic, phenyl salicylate, thiab lwm yam. Dye kev lag luam rau lubkev npaj ntawm moxibustion ntshiab daj, ncaj xim av 3GN, kua qaub chrome daj thiab hais txog.Kuj tseem siv los ua cov roj hmab vulcanization retarder thiab tshuaj tua kab mob preservatives
Salicylic acid tuaj yeem siv los ua cov khoom siv tshuaj. Rau kev npaj tshuaj aspirin, sodium salicylate, salicylamide, analgesic, phenyl salicylate, thiab lwm yam. Dye kev lag luam rau lubkev npaj ntawm moxibustion ntshiab daj, ncaj xim av 3GN, kua qaub chrome daj thiab hais txog.Kuj tseem siv los ua cov roj hmab vulcanization retarder thiab tshuaj tua kab mob preservatives
Kev siv ntawm salicylic acid
1. Salicylic acid uas yog ortho hydroxy benzoic acid (o-hydroxybenzoic acid) yog ib hom ntawmtseem ceeb organic hluavtaws raw khoom.Hauv kev tsim tshuaj tua kab, nws yog siv rau hluavtaws organic phosphorus tshuaj tua kab Isocarbophos,Isofenphos methyl intermediate isopropyl salicylate thiab Rodenticide warfarin, tua nas ether intermediate 4-hydroxy coumarin; Hauv kev lag luam kws tshuaj, salicylic acid tau siv los ua antiseptics, kuj yog intermediates ntawm acetylsalicylic acid (aspirin) thiab lwm yam tshuaj; nws tseem yog ibtseem ceeb raw khoom ntawm dye, txuj lom, xws li roj hmab kev lag luam.
2. Nws yog siv los ua raw cov ntaub ntawv ntawm cov tshuaj aspirin feedstock thiab tshuaj tua kab aqueous amine thiabphosphorus khoom, kuj tuaj yeem siv rau hauv kev lag luam dyeing, refining thiab tshuaj reagent, thiab lwm yam.
3. Siv nyob rau hauv kev lag luam kws tshuaj rau lub antipyretic, analgesic, anti-inflammatory,Cov tshuaj diuretic, cov xim muaj xim siv rau ncaj qha ntawm azo dyes thiab acid mordant dyes, tab sis kuj rau cov txuj lom, thiab lwm yam.
4. Siv ua complexing qhia thiab preservative.
5. Kev pov thawj rau txhuas, boron, cerium, tooj liab, hlau, txhuas, manganese, mercury, npib tsib xee, nyiaj,
titanium, tungsten, vanadium, sulfite, nitrate thiab nitrite. Kev txiav txim siab ntawm aluminium, tooj liab, hlau, thorium, titanium thiab uranium. Alkali method thiab iodometry titration standard. Cov fluorescent qhov taw qhia. Complexometric qhia.| Yam khoom | Index |
| Qhov tshwm sim | Dawb crystalline hmoov |
| Poob rau ziab | ≤ 0.5% |
| Residue ntawm ignition | ≤ 0.05% |
| Chloride | ≤ 0.014% |
| Sulfate | ≤ 0.02% |
| Cov hlau hnyav | ≤ 20 ug / g |
| Lwm yam tshuaj 4-hydroxybenzoic acid | ≤0.1% |
| 4-hydroxybenzoic acid | ≤ 0.05% |
| Phenol | ≤ 0.02% |
| Lwm yam impurities | ≤ 0.05% |
| Tag nrho impurities | ≤ 0.2% |
| Assay | 98.0-102.0% |
Sau koj cov lus ntawm no thiab xa tuaj rau peb
