Chitin CAS 1398-61-4
Nyob rau hauv xwm, chitin pom dav hauv cov plhaub ntawm cov nroj tsuag qis dua, cw, crabs, kab thiab lwm yam crustaceans, thiab nyob rau hauv cov phab ntsa ntawm cov nroj tsuag siab dua. Nws yog ib qho linear polymer polysaccharide, uas yog, ntuj neutral mucopolysaccharide. Chitin yog ib hom hmoov dawb amorphous, tsis muaj ntxhiab, tsis muaj saj. Chitin tuaj yeem yaj hauv dimethylacetamide lossis concentrated acid uas muaj 8% lithium chloride; Insoluble hauv dej, dilute acid, base, ethanol lossis lwm yam organic solvents.
| Khoom | Cov Lus Qhia Tshwj Xeeb |
| Qhov kub yaj | >300°C |
| Kub taw tes | 737.18°C |
| Qhov Ceev | 1.3744 |
| Kev yaj dej | tsis yaj |
| Cov ntsuas kev cuam tshuam | 1.6000 |
| LogP | -2.640 |
Chitin thiab nws cov derivatives muaj cov ntawv thov tseem ceeb hauv kev kho mob, kev lag luam tshuaj lom neeg, zaub mov noj qab haus huv thiab lwm yam, thiab muaj kev cia siab dav dav. Rau kev tsim cov chitin thiab glucosamine uas yaj tau, tuaj yeem siv ua cov tshuaj pleev ib ce thiab cov khoom noj khoom haus ntxiv, tuaj yeem npaj cov duab emulsion thiab lwm yam chitin yog cov khoom siv tseem ceeb rau kev tsim cov chitosan, glucosamine series khoom.
25kg / nruas lossis raws li cov neeg siv khoom xav tau.
Chitin CAS 1398-61-4
Chitin CAS 1398-61-4
