L-Thyroxine sodium salt pentahydrate；L-Thyroxine sodiumsalt
CAS No.： 6106-7-6
Item No.： AA0171
Store at： 2～8℃， away from ligh
Item No.： AA0171
Store at： 2～8℃， away from ligh
CAS No.: 6106-07-6
C15H10I4NNaO4 ? 5H2O= 888.93
Grade: BR
Content: 97.0 ~ 102.0%
Loss on drying: ≤ 11.0%
Melting point: 207 ~ 210 ℃
Physicochemical properties: white or light milky yellow triclinic crystal or powder. Odorless and tasteless. Slightly hygroscopic. Stable in dry air and room temperature. Sensitive to light. At 25 ℃, the solubility in water is about 15mg/100ml, soluble in mineral acid, alkali hydroxide and alkali carbonate solutions, slightly soluble in ethanol, and very slightly soluble in chloroform and ether. The pH of saturated solution is 8.35 ~ 9.35. Relative density (d204) 2.381
Purpose: biochemical research.
Storage: 2 ~ 8 ℃, away from light
