Salicylic acid sublime qib CAS : 69-72-7 Cov ntaub ntawv Technical

Lub Npe Lub Npe: O-hydroxybenzoic acid; 2-hydroxy benzoic acid; salicylic acid

Cov mis mos molecular: C₇H₆O₃

Molecular Luj: 138.12

Cov ntaub ntawv dav dav:

Dawb lub voos xwmfab los yog hmoov, daj ntseg liab los yog lub teeb daj tso cai, sublimating ntawm qhov kub thiab txias tshaj 76 degree nyob rau hauv atmospheric ib puag ncig, yooj yim rau decarboxylate thiab hloov mus rau hauv phenol thiab carbon dioxide thaum rhuab sai. Nws cov tshuaj aqueous zoo li cov tshuaj tiv thaiv acid, ua ntshav nrog FeCl3, me ntsis soluble hauv dej, soluble hauv dej npau npau, soluble hauv ethanol lossis ether.

Specification:

Cov khoom	Txuj
Qhov tshwm sim	Dawb blocky crystalline los yog crystalline hmoov, cia me ntsis daj thiab lub teeb liab.
Purity	Ntau dua lossis sib npaug rau 99.0%
Thaum pib ntawm melting point	Ntau dua lossis sib npaug rau 158.0 degree
Cov dej noo	Tsawg dua lossis sib npaug rau 0.40%
Phenol	Tsawg dua lossis sib npaug rau 0.20%
Yooj yim carbon	Tsis tob tshaj 6
Tsaus nti	Tsawg dua los yog sib npaug li 12/20 g
txawv teb chaws	Tsawg dua lossis sib npaug li 5A / a

Daim ntawv thov:

Cov khoom yog cov tshuaj tua kab mob thiab tshuaj tua kab mob, kuj tuaj yeem siv los ua cov tshuaj nruab nrab ntawm cov tshuaj, tshuaj tua kab, tshuaj dyestuff, dav siv tshuaj aspirin, glyburide, diflunisal, sodium salicylate, optunal, thiab lwm yam.