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Monomethyl subrate(CAS#3946-32-5)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C9H16O4
'Misa oa Molar 188.22
Botenya 1.047 g/mL ho 25 °C (hote.)
Melting Point 17-19 °C (hote.)
Boling Point 185-186 °C/18 mmHg (hote.)
Flash point >230°F
Solubility DMSO, Methanol
Khatello ea Mouoane 0.000208mmHg ho 25°C
Ponahalo Tiileng
Mmala Colorless Semi
pKa 4.76±0.10(E boletsoeng esale pele)
Boemo ba polokelo E tiisitsoe ka ho omme, Mocheso oa Kamore
Refractive Index n20/D 1.444(lit.)
MDL MFCD00004427
Thepa ea 'Mele le ea Lik'hemik'hale Sebaka se Belang: 17 - 19Pointing: 185-186 ho 18mm Hg

boima ba 'mele: 1.047


Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi Xi - Ea halefisang
Likhoutu tsa Kotsi 36/37/38 - Ho halefisa mahlo, tsamaiso ea 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.
S37/39 - Apara liatlana tse loketseng le tšireletso ea mahlo / sefahleho
WGK Jeremane 3
Khoutu ea HS 29171900

 

Selelekela

Monomethyl subrate, formula ea lik'hemik'hale C9H18O4, ke motsoako oa lintho tse phelang. E latelang ke tlhaloso ea sebopeho sa eona, ts'ebeliso, tokiso le tlhaiso-leseling ea polokeho:

 

Tlhaho:

- Monomethyl subrate ke mokelikeli o se nang 'mala o nang le monko o fokolang oa litholoana mocheso oa kamore.

-Bophahamo ba eona bo ka ba 0.97 g/mL, 'me ntlha ea eona e belang e ka bang 220-230 ° C.

- Monomethyl subrate e na le monyetla o motle, 'me e ka qhibiliha ka har'a metsoako e mengata ea lintho tse phelang, tse kang joala le ethers.

 

Sebelisa:

- Monomethyl subrate e ka sebelisoa ho kopanya metsoako e meng ea tlhaho, joalo ka litatso, litlama, meriana le dae.

-E ka boela ea sebelisoa lits'ebetsong tsa indasteri tse kang solvents, lubricant le plasticizers.

 

Mokhoa oa ho itokisa:

-Mokhoa o tloaelehileng oa ho itokisa oa Monomethyl subrate ke ka karabelo ea esterification ea asiti ea suberic le methanol. Karabelo hangata e etsoa tlas'a maemo a asiti ho sebelisoa acid catalyst joalo ka sulfuric acid kapa methylating agent joalo ka methylsulfuric acid.

 

Lintlha tsa Tšireletseho:

- Monomethyl subrate low toxicity, empa e ntse e hloka ho ela hloko tšebeliso e sireletsehileng.

- Qoba ho kopana le letlalo le mahlo. Haeba ho na le ho kopana, hlatsoa hang-hang ka metsi a mangata.

-e sebelisoa ho boloka maemo a matle a moea, qoba ho hema mouoane oa eona.

- Monomethyl subrate e ka cha 'me e lokela ho bolokoa hole le mollo le mocheso o phahameng.

-Store e lokela ho koaloa, sebakeng se phodileng le se omileng, hole le mollo le li-oxidizing agents.

 


  • E fetileng:
  • E 'ngoe:

  • Ngola molaetsa wa hao mona mme o re romele wona