Riboflavin CAS 83-88-5
Riboflavin yog ib qho hmoov crystalline daj mus rau txiv kab ntxwv daj uas muaj ntxhiab me ntsis thiab saj iab. Melting point 280 ℃ (decomposition). Yooj yim yaj rau hauv cov kua alkaline thiab cov kua sodium chloride, me ntsis soluble hauv dej, me ntsis soluble hauv ethanol, insoluble hauv ether thiab chloroform. Cov kua aqueous yog xim daj ntsuab, thiab cov kua aqueous saturated yog nruab nrab. Nws muaj kev tiv thaiv kub zoo thiab acid tsis kam, tab sis yooj yim puas tsuaj rau hauv cov kua alkaline lossis raug rau ultraviolet hluav taws xob, thiab kuj tsis ruaj khov rau cov neeg sawv cev txo qis.
| Khoom | Cov Lus Qhia Tshwj Xeeb |
| Kev dawb huv | 99% |
| Kub taw tes | 504.93°C (kwv yees li qub) |
| MW | 376.36 |
| Qhov taw tes kub hnyiab | 9 ℃ |
| PH | 5.5-7.2 (0.07g/l, H2O, 20°C) |
| pKa | 1.7 (ntawm 25 ℃) |
Riboflavin yog siv rau kev kho mob ntawm riboflavin deficiency, conjunctivitis, ulcer ntawm kev noj haus, kev noj haus tsis zoo thiab lwm yam kab mob, kev tshawb fawb biochemical, photocatalyst rau polymerization ntawm acrylamide gel, tus neeg sawv cev rau kev noj haus, cov tshuaj kho mob koom nrog pawg vitamin B, koom nrog kev hloov pauv ntawm qab zib, rog thiab protein hauv lub cev, tswj kev ua haujlwm pom kev zoo li qub, thiab txhawb kev loj hlob. Siv hauv kev kho mob los kho cov kab mob xws li angular stomatitis thiab glossitis uas tshwm sim los ntawm vitamin B2 deficiency.
Feem ntau ntim rau hauv 25kg / nruas, thiab kuj tuaj yeem ua pob khoom raws li koj xav tau.
Riboflavin CAS 83-88-5
Riboflavin CAS 83-88-5
