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L-Menthol (CAS#2216-51-5)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta C10H20O
Molar Mass 156.27
Yawan yawa 0.89 g/ml a 25 °C (lit.)
Matsayin narkewa 41-45 ° C (lit.)
Matsayin Boling 212 ° C (launi)
Takamaiman Juyawa (α) -51º (589nm, c=10, EtOH)
Wurin Flash 200°F
Ruwan Solubility marar narkewa
Solubility Mai narkewa a cikin abubuwan kaushi na halitta kamar ethanol, acetone, ether, chloroform da benzene, mai narkewa cikin ruwa kaɗan.
Tashin Turi 0.8 mm Hg (20 ° C)
Bayyanar Crystal allura mara launi
Takamaiman Nauyi 0.89
Launi Mara launi zuwa fari
Merck 14,5837
BRN 1902293
pKa 15.30± 0.60 (An annabta)
Yanayin Ajiya Adana a ƙasa + 30 ° C.
Kwanciyar hankali Barga.
Fihirisar Refractive 1.46
MDL Saukewa: MFCD00062979
Abubuwan Jiki da Sinadarai Lu'ulu'u marasa launi-kamar allura tare da ƙamshi mai sanyi na Mint. Dangantaka yawa d1515 = 0.890, narkewa 41 ~ 43 ℃, tafasar batu 216 ℃,111 ℃(2.67kPa), takamaiman na gani juyi αD20 = -49.3 °, refractive index nD20 = 1.4609. Mai narkewa a cikin ethanol, acetone, ether, chloroform da benzene da sauran kaushi na halitta, mai narkewar ruwa. Kaddarorin sinadarai suna da inganci, kuma ana iya canzawa da tururi. Rat na baka LD503.3g/kg,ADI0 ~ 0.2 mg/kg(FAO/WHO,1994).

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xi - Haushi
Lambobin haɗari R37 / 38 - Haushi ga tsarin numfashi da fata.
R41 - Hadarin mummunan lalacewa ga idanu
R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S39 – Sa ido/kariyar fuska.
S37/39 - Sanya safofin hannu masu dacewa da kariya / ido
S36 - Sanya tufafin kariya masu dacewa.
WGK Jamus 2
RTECS Farashin 0700000
Farashin TSCA Ee
HS Code 29061100
Guba LD50 na baki a cikin zomo: 3300 mg/kg LD50 dermal Rabbit> 5000 mg/kg

 

Gabatarwa

Levomenthol wani fili ne na kwayoyin halitta tare da sunan sinadarai (-)-menthol. Yana da ƙamshi na mahimman mai kuma ba shi da launi zuwa ruwan rawaya mai haske. Babban bangaren levomenthol shine menthol.

 

Levomenthol yana da kewayon ayyukan physiological da pharmacological, ciki har da antibacterial, anti-mai kumburi, analgesic, antipyretic, anthelmintic da sauran tasiri.

 

Hanyar gama gari don yin levomenthol shine ta hanyar distillation na shukar ruhun nana. Ganyen mint da mai tushe suna fara zafi a cikin ruwa har yanzu, kuma lokacin da aka sanyaya distillate, ana samun tsantsa mai ɗauke da levomenthol. Sannan ana distilled don tsarkakewa, maida hankali, da ware menthol.

 

Levomenthol yana da ƙayyadaddun aminci, amma har yanzu ya zama dole a kula da waɗannan abubuwa masu zuwa: guje wa ɗaukar dogon lokaci ko shakar levomenthol mai yawa don hana allergies ko haushi. Ya kamata a kiyaye yanayin da ke da iska mai kyau yayin amfani. Ka guji haɗuwa da idanu da fata kuma a tsomasu kafin amfani.


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