L-Menthol CAS 2216-51-5

CAS:2216-51-5

Cov mis molecular:C10H20O

Qhov Hnyav Molecular:156.27

EINECS:218-690-9

Cov lus txhais:(1R-(1-alpha,2-beta,5-alpha))-5-Methyl-2-(1-methylethyl)cyclohexanol; (1r,3r,4s)-(-)-mentho; (1R,3R,4S)-(-)-MENTHOL; (R)-(-)-ChemicalbookMenthol; EmtricitabineImpurity31; NaturalMentholCrystal; L-MengalcoholNaturalmentholMenthol(L); DL-Mentholmentholcrystalextract

Sau Koj Cov Lus

Cov Khoom Qhia Txog Khoom

Rub tawm

Cov Cim Npe Khoom

L-Menthol CAS 2216-51-5 yog dab tsi?

L-Menthol tsis muaj xim zoo li koob siv lead ua los ntawm cov khoom siv uas muaj ntxhiab tsw qab ntawm mint. Qhov ceev sib piv d1515 = 0.890, qhov taw tes yaj 41 ~ 43 ℃, qhov taw tes kub 216 ℃, 111 ℃ (2.67kPa), kev tig pom kev tshwj xeeb αD Chemicalbook20 = -49.3 °, qhov ntsuas refractive nD20 = 1.4609. Yaj hauv cov kuab tshuaj organic xws li ethanol, acetone, ether, chloroform thiab benzene, thiab yaj me ntsis hauv dej. Cov khoom siv tshuaj lom neeg ruaj khov thiab tuaj yeem ua pa nrog cov pa.

Cov Lus Qhia Tshwj Xeeb

Cov Khoom Siv Kuaj

Cov Kev Cai Txheem

Cov txiaj ntsig ntawm kev sim

Qhov tsos

Tsis muaj xim pob tshab prismatic lossis acicular siv lead ua

Tsim nyog

Tsw qab

aroma ntawm Asia natura menthol feature

Tsim nyog

qhov chaw yaj

42 ℃ -44 ℃

42.2 ℃

Cov khoom tsis hloov pauv

≤0.05%

0.01%

kev sib hloov tshwj xeeb

-43 °-- -52 °

-49.45 °

Cov Hlau Hnyav (Los ntawm pb)

≤0.0005%

0.00027%

Kev yaj tau

Ntxiv 1g qauv rau 5ml ntawm ethanol 90% (v/v), kom tau txais cov kua uas tau sib xyaw.

Tsim nyog

Cov Ntsiab Lus ntawm Levo-menthol

95.0% ~ 105.0%

99.2%

Daim Ntawv Thov

1. Menthol yog ib yam khoom qab zib uas noj tau uas tau tso cai siv hauv kuv lub tebchaws thiab feem ntau yog siv rau kev qab cov tshuaj txhuam hniav, khoom qab zib, thiab dej haus.
2. Ob qho tib si menthol thiab racemic menthol siv tau ua cov tshuaj tsw qab rau cov tshuaj txhuam hniav, tshuaj tsw qab, dej haus thiab khoom qab zib. Nws yog siv ua ib qho tshuaj txhawb zog hauv kev kho mob, ua haujlwm rau ntawm daim tawv nqaij lossis cov ntaub so ntswg, thiab muaj cov nyhuv txias thiab antipruritic; thaum noj, nws tuaj yeem siv ua carminative rau mob taub hau thiab o ntawm lub qhov ntswg, pharynx, thiab larynx. Nws cov esters yog siv rau hauv cov tshuaj tsw qab thiab tshuaj.
3. Cov khoom tseem ceeb ntawm cov roj peppermint. Vim nws cov saj mint tshwj xeeb thiab cov nyhuv txias, nws yog siv dav hauv cov khoom qab zib, tshuaj pleev ib ce thiab cov tshuaj txhuam hniav.