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

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C10H20O
'Misa oa Molar 156.27
Botenya 0.89 g/mL ho 25 °C (hote.)
Melting Point 41-45 °C (hote.)
Boling Point 212 °C (hote.)
Phetoho e khethehileng(α) -51 º (589nm, c=10, EtOH)
Flash point 200°F
Ho qhibiliha ha Metsi e sa qhibidihang
Solubility E qhibiliha ka har'a metsoako ea tlhaho e kang ethanol, acetone, ether, chloroform le benzene, e qhibilihang hanyenyane metsing.
Khatello ea Mouoane 0.8 mm Hg (20 °C)
Ponahalo kristale ea nale e se nang mebala
Matla a Khoheli a khethehileng 0.89
Mmala E se nang mmala ho isa ho bosweu
Merck 14,5837
BRN 1902293
pKa 15.30±0.60(E boletsoeng esale pele)
Boemo ba polokelo Boloka ka tlase ho +30°C.
Botsitso E tsitsitseng.
Refractive Index 1.46
MDL MFCD00062979
Thepa ea 'Mele le ea Lik'hemik'hale Likristale tse se nang mebala tse kang nale tse nang le monko o pholileng oa koena. Relative density d1515 = 0.890, melting point 41~43 ℃, beling point 216 ℃,111 ℃(2.67kPa), special optical rotation αD20 = -49.3 °, refractive index nD20 = 1.4609. E qhibiliha ka har'a ethanol, acetone, ether, chloroform le benzene le metsoako e meng ea tlhaho, e qhibilihang ka metsing. Lintho tsa lik'hemik'hale li batla li tsitsitse, 'me li ka fetoha volatilized ka mouoane. Rat oral LD503.3g/kg,ADI0 ~ 0.2 mg/kg(FAO/WHO,1994).

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi Xi - Ea halefisang
Likhoutu tsa Kotsi R37/38 – E tenang tsamaiso ya ho hema le letlalo.
R41 – Kotsi ya tshenyo e kgolo mahlong
R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
Tlhaloso ea Tšireletseho S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S39 - Apara ts'ireletso ea mahlo / sefahleho.
S37/39 - Apara liatlana tse loketseng le tšireletso ea mahlo / sefahleho
S36 - Apara liaparo tse loketseng tsa tšireletso.
WGK Jeremane 2
RTECS OT0700000
TSCA Ee
Khoutu ea HS 29061100
Chefo LD50 ka molomo ho Mmutla: 3300 mg/kg LD50 dermal Rabbit > 5000 mg/kg

 

Selelekela

Levomenthol ke motsoako oa tlhaho o nang le lebitso la lik'hemik'hale (-)-menthol. E na le monko oa oli ea bohlokoa 'me ke mokelikeli o se nang 'mala ho isa ho o mosehla o khanyang. Karolo e ka sehloohong ea levomenthol ke menthol.

 

Levomenthol e na le mefuta e mengata ea mesebetsi ea 'mele le ea pharmacological, ho kenyelletsa antibacterial, anti-inflammatory, analgesic, antipyretic, anthelmintic le liphello tse ling.

 

Mokhoa o tloaelehileng oa ho etsa levomenthol ke ka ho tšeloa ha semela sa peppermint. Makhasi a koena le likutu li qala ho futhumatsoa ka har'a metsi, 'me ha distillate e pholile, ho fumanoa setlolo se nang le levomenthol. Ebe e hloekisoa ho hloekisa, ho tsepamisa mohopolo le ho arola menthol.

 

Levomenthol e na le ts'ireletso e itseng, empa ho ntse ho hlokahala hore u ele hloko tse latelang: qoba ho pepeseha nako e telele kapa ho hema ka bongata bo phahameng ba levomenthol ho thibela ho kula kapa ho teneha. Tikoloho e nang le moea o motle e lokela ho bolokoa nakong ea ts'ebeliso. Qoba ho kopana le mahlo le letlalo mme o hlapolle pele o sebelisoa.


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