L-Menthol CAS 2216-51-5

CAS:2216-51-5

Molecular Formula:C10H20O

Molecular Luj:156.27 Nws

EINECS:218-690-9 ib

Synonyms:(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

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

L-Menthol tsis muaj xim tsis muaj koob zoo li cov muaju nrog lub ntsej muag mint aroma. txheeb ze ntom ntom d1515 = 0.890, melting point 41 ~ 43 ℃, boiling point 216 ℃, 111 ℃ (2.67kPa), tshwj xeeb kho qhov muag rotation αD Tshuaj 20 = -49.3 °, refractive index nD20 = 1.4609. Soluble hauv cov kuab tshuaj organic xws li ethanol, acetone, ether, chloroform thiab benzene, thiab me ntsis soluble hauv dej. Cov khoom siv tshuaj yog qhov ruaj khov thiab tuaj yeem evaporate ua ke nrog chav.

Specification

Cov khoom kuaj

Standard Requirements

Kev Xeem Xeem

Qhov tshwm sim

Tsis muaj xim pob tshab prismatic lossis acicular siv lead ua

Tsim nyog

Scent

aroma ntawm Asia natura menthol feature

Tsim nyog

melting point

42 ℃ -44 ℃

42.2 ℃

Tsis-volatile teeb meem

≤ 0.05%

0.01%

kev sib hloov

-43 ° --- -52 °

-49.45 °

Heavy Metals (By pb)

≤ 0.0005%

0.00027%

Solubility

Ntxiv 1g qauv rau 5ml ntawm ethanol 90% (v/v), tau txais kev daws teeb meem.

Tsim nyog

Levo-menthol Cov ntsiab lus

95.0 ~ 105.0%

99.2%

Daim ntawv thov

1.Menthol yog ib qho khoom noj khoom haus uas tau tso cai siv hauv kuv lub teb chaws thiab feem ntau yog siv rau flavoring tshuaj txhuam hniav, khoom qab zib, thiab dej haus.
2. Ob leeg menthol thiab racemic menthol tuaj yeem siv los ua cov tshuaj tsw qab rau tshuaj txhuam hniav, tshuaj tsw qab, dej haus thiab khoom qab zib. Nws yog siv los ua ib qho stimulant hauv tshuaj, ua rau ntawm daim tawv nqaij los yog mucous daim nyias nyias, thiab muaj ib tug txias thiab antipruritic nyhuv; Thaum noj qhov ncauj, nws tuaj yeem siv los ua carminative rau mob taub hau thiab mob ntawm lub qhov ntswg, pharynx, thiab larynx. Nws cov esters yog siv hauv cov tshuaj tsw qab thiab tshuaj.
3.Qhov tseem ceeb ntawm peppermint roj. Vim nws qhov tshwj xeeb mint tsw thiab cua txias, nws yog dav siv hauv cov khoom qab zib, tshuaj pleev ib ce thiab tshuaj txhuam hniav.