all-trans-Retinol CAS 68-26-8

CAS:68-26-8

Cov mis molecular:C20H30O

Qhov Hnyav Molecular:286.45

EINECS:200-683-7

Cov lus txhais:VITAMIN A USP (CRM TXHEEJ TXHEEM); VITAMIN A (RETINOL) (TXHEEJ TXHEEM THIB OB); Vitamin A cawv; Vitamin A Crystallization; ALL-TRANS-RETINOL (VITAMIN A CAWV); RETINOL (VITAMIN A); ALL TRANS-RETINOL (VITAMIN A); retinol kua; VITAMINA (PUB NOJ); VITAMIN A (RETINOL) (SH)

Sau Koj Cov Lus

Cov Khoom Qhia Txog Khoom

Rub tawm

Cov Cim Npe Khoom

All-trans-Retinol CAS 68-26-8 yog dab tsi?

Tag nrho cov trans Retinol yog cov xim ploj mus flake siv lead ua nrog lub ntsiab lus yaj ntawm 62-64 ℃ thiab lub ntsiab lus kub ntawm 120-125 ℃ (0.667Pa). Yooj yim yaj rau hauv roj lossis cov kuab tshuaj organic, tsis yaj hauv dej. Kev ruaj khov thermal zoo, ruaj khov hauv cov xwm txheej alkaline, tsis ruaj khov hauv cov xwm txheej acidic. Thaum ntsib antimony trichloride, nws ua rau pom cov tshuaj tiv thaiv xiav thiab yooj yim puas tsuaj los ntawm ultraviolet hluav taws xob thiab oxygen hauv huab cua. Nws tuaj yeem tiv thaiv thaum nyob ua ke nrog vitamin C.

Cov Lus Qhia Tshwj Xeeb

Khoom	Cov Lus Qhia Tshwj Xeeb
Qhov kub yaj	61-63 ° C (lit.)
Kev dawb huv	99%
kev yaj tau	Yaj hauv chloroform (me me)
refractive index	1.641
Cov xwm txheej cia khoom	-20°C
pKa	14.09 ± 0.10 (Kwv yees)

Daim Ntawv Thov

Txhua yam trans Retinol vitamin A yog ib feem ntawm cov tshuaj photosensitive hauv cov hlwb pom, uas tuaj yeem ua kom muaj kev ncaj ncees thiab kev noj qab haus huv ntawm cov qauv ntaub so ntswg epithelial thiab txhawb kev loj hlob thiab kev loj hlob ntawm lub cev. Thaum tsis muaj, nws tuaj yeem cuam tshuam kev loj hlob thiab kev txhim kho, txo qis kev ua haujlwm ntawm kev yug me nyuam, thiab yooj yim ua rau "dig muag hmo ntuj". Txhua yam trans Retinol yog siv rau hauv cov ntsiav tshuaj thiab tshuaj ntsiav ua cov vitamin raws li cov khoom noj pub rau tsiaj hauv kev lag luam pub tsiaj.