L-Menthol CAS 2216-51-5

CAS:2216-51-5

Molecular Formula:C10H20O

Molecular Weight:156.27

EINECS:218-690-9

Mashoko anoreva zvakafanana:(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

Siya Mharidzo Yako

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Chii chinonzi L-Menthol CAS 2216-51-5?

L-Menthol isina ruvara-yakaita tsono makristasi ane inozorodza mint inonhuwira.Relative density d1515=0.890, melting point 41~43℃, boiling point 216℃, 111℃ (2.67kPa), specific optical rotation αD Chemicalbook20=-49.3°, refractive index nD20=1.4609.Soluble muorganic solvents senge ethanol, acetone, ether, chloroform uye benzene, uye inonyungudika zvishoma mumvura.Iyo kemikari zvimiro zvakadzikama uye inogona kubuda pamwe chete nemhepo.

Tsanangudzo

Testing Items

Zvinodiwa Zvakajairika

Testing Result

Chitarisiko

Asina mavara akajeka prismatic kana acicular crystal

Qualified

Kunhuwirira

kunhuhwirira kweAsia natura menthol chimiro

Qualified

melting point

42℃-44℃

42.2℃

Nyaya isiri-inotenderera

≤0.05%

0.01%

kutenderera chaiko

-43 °-- -52 °

-49.45 °

Heavy Metals (By pb)

≤0.0005%

0.00027%

Solubility

Wedzera 1g yemuenzaniso ku5ml ye ethanol 90% (v/v), uchiwana mhinduro yakagadziriswa.

Qualified

Levo-menthol Content

95.0％～105.0%

99.2%

Application

1.Menthol chinhu chinodyiwa chinotenderwa kushandiswa munyika yangu uye chinonyanya kushandiswa pakunakisa mushonga wemazino, zvihwitsi, uye zvinwiwa.
2.Zvose menthol uye racemic menthol inogona kushandiswa seanonhuhwirira ejenti yemazino, zvinonhuwira, zvinwiwa uye candies.Inoshandiswa sechinhu chinokurudzira mumishonga, ichiita paganda kana mucous membranes, uye ine kutonhora uye antipruritic effect;kana inotorwa nemuromo, inogona kushandiswa se carminative yemusoro uye kuzvimba kwemhino, pharynx, uye larynx.Esters ayo anoshandiswa mukunhuhwirira uye mishonga yemishonga.
3.Chikamu chikuru chepeppermint mafuta.Nekuda kwekunaka kwayo kwakasarudzika mint uye kutonhora mhedzisiro, inoshandiswa zvakanyanya mumaswiti, zvizorwa uye mushonga wemazino.