Salicylic acid CAS 69-72-7
| Catalog Number | xwm 91209 |
| Khoom npe | Salicylic acid |
| CAS | 69-72-7 ib |
| Molecular Formula | C7H6O3 |
| Molecular Luj | 138.12 Nws |
| Cov ntaub ntawv khaws cia | Ambient |
| Harmonized tariff Code | 29182100 ib |
Khoom Specification
| Qhov tshwm sim | Dawb rau cream hmoov |
| Assay | 99% min |
| Melting Point | ⩾156 ° C |
| Qib | Technical |
| Tshauv | ⩽ 0.3% |
| Cov hlau hnyav | Qhov siab tshaj plaws ntawm 20 ppm |
| Sulfate | ⩽ 0.5% |
| Moisture | ⩽ 0.5% |
| Phenol | ⩽ 0.2% |
Salicylic acid yog cov roj-soluble organic acid.Nws yog ib tug dawb crystalline hmoov los yog crystalline hmoov.Nws tsis muaj ntxhiab thiab qab zib me ntsis thiab tom qab ntawd kub.Nws tsis muaj qhov hloov pauv huab cua.Nws tuaj yeem raug sublimated ntawm atmospheric siab tshaj 76 ° C.Nws yog yooj yim decarboxylated los ntawm atmospheric siab los tsim carbon dioxide.Cov tshuaj aqueous yog acidic thiab reacts nrog FeCl3 hauv ntshav.Cov khoom no yog me ntsis soluble nyob rau hauv dej, soluble nyob rau hauv boiling dej, soluble nyob rau hauv ethanol los yog ether, me ntsis soluble nyob rau hauv chloroform.
Muaj nuj nqi
1.Nws yog ib tug natural anti-inflammatory.
2 Nws tuaj yeem pab kho cov kab mob ntev ntawm daim tawv nqaij xws li pob txuv thiab hemorrhoids.
3. Tshuaj pleev ib ce.Feem ntau yog siv rau hauv chav dej da dej, prickly dej kub, dej thiab lwm yam tshuaj pleev ib ce dej.
4.Nws kuj tuaj yeem yog usd ua raw khoom hauv kev kho mob thiab lwm yam kev lag luam.
