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sehlahisoa

6-Methyl coumarin (CAS#92-48-8)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C10H8O2
'Misa oa Molar 160.17
Botenya 1.0924 (khakanyo e fosahetseng)
Melting Point 73-76 °C (hote.)
Boling Point 303 °C/725 mmHg (hote.)
Flash point 303°C/725mm
JECFA Nomoro 1172
Solubility E qhibiliha ka har'a ethanol, ether le benzene
Ponahalo Phofo e tšoeu ea kristale
Mmala Bosoeu ho isa ho Ho batla ho tšoeu
BRN 4222
Boemo ba polokelo E tiisitsoe ka ho omme, Mocheso oa Kamore
Refractive Index 1.5300 (khakanyo)
MDL MFCD00006875
Thepa ea 'Mele le ea Lik'hemik'hale E tiileng ka kristale e tšoeu. E na le kokonate joalo ka monate. Sebaka se belang 303 ℃(99.66kPa), ntlha e qhibilihang ke 73~76 ℃, ntlha ea flash 67.2 ℃. E qhibiliha ka har'a benzene, ethanol e chesang le oli e sa fetoheng, ha e khone ho qhibiliha ka metsing a chesang.
Sebelisa E sebedisoa joalo ka senoko

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi Xn - E Kotsi
Likhoutu tsa Kotsi R22 – E kotsi ha e kwetswe
R42/43 – E ka baka maikutlo a matla ka ho hema le ho ama letlalo.
Tlhaloso ea Tšireletseho S22 - U se ke ua hema lerole.
S36/37 - Apara liaparo tse loketseng tsa tšireletso le liatlana.
S45 – Ha ho ka etsahala kotsi kapa ha o ikutlwa o sa phele hantle, batla keletso ya bongaka hanghang (bontsha leibole neng kapa neng ha ho kgoneha.)
WGK Jeremane 3
RTECS GN7792000
TSCA Ee
Khoutu ea HS 29321900
Chefo Boleng bo matla ba molomo oa LD50 ho likhoto bo tlalehiloe hore ke 1.68 g / kg (1.43-1.93 g / kg) (Moreno, 1973). The acute dermal LD50 boleng ho mebutlanyana e feta 5 g/kg (Moreno, 1973).

 

Selelekela

6-Methylcoumarin ke motsoako oa lintho tse phelang. Ke kristale e tiileng e se nang 'mala e nang le tatso e nkhang hamonate ea litholoana. Se latelang ke selelekela ho tse ling tsa thepa, tšebeliso, mekhoa ea ho lokisa le tlhaiso-leseling ea polokeho ea 6-methylcoumarin:

 

Boleng:

- Ponahalo: E tiileng ka kristale e se nang 'mala

- Maemo a polokelo: Ho bohlokoa ho boloka sebakeng se phodileng, se omileng, hole le letsatsi le mocheso o phahameng.

 

Sebelisa:

 

Mokhoa:

Ho na le mekhoa e mengata ea ho lokisa 6-methylcoumarin, 'me e latelang ke e' ngoe ea litsela tse tloaelehileng tsa maiketsetso:

Coumarin e kopana le acetic anhydride ho etsa ethyl vanillin.

Coumarin acetate e sebetsana le methanol ho theha 6-methylcoumarin tlas'a ketso ea alkali.

 

Lintlha tsa Tšireletseho:

6-Methylcoumarin ka kakaretso e nkoa e sireletsehile tlas'a tšebeliso e tloaelehileng

- Qoba ho kopana le mahlo le letlalo, 'me u hlatsoe hang-hang ka metsi a mangata haeba u angoa u sa ikemisetsa.

- Qoba ho hema lerōle kapa mouoane 'me u apare lisebelisoa tsa ts'ireletso tse kang limaske le liatlana ha u sebetsa.

- Se ke oa ja le ho boloka moo masea le liphoofolo tse ruuoang lapeng li ka fihlang ho tsona. Haeba motho a ka nooa ka phoso, batla thuso ea bongaka hang-hang.

 


  • E fetileng:
  • E 'ngoe:

  • Ngola molaetsa wa hao mona mme o re romele wona