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sehlahisoa

Dimethylmalonic acid (CAS# 595-46-0)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C5H8O4
'Misa oa Molar 132.11
Botenya 1.5633 (khakanyo e fosahetseng)
Melting Point 191-193 °C (hote.)
Boling Point 292.77°C (khakanyo e boima)
Flash point 155.6°C
Ho qhibiliha ha Metsi 90g/L(13 ºC)
Solubility e qhibilihang ka har'a Methanol
Khatello ea Mouoane 0.000135mmHg ho 25°C
Ponahalo Bosoeu bo bosoeu bo tiileng
Mmala Bosoeu ho isa ho Ho batla ho tšoeu
BRN 774375
pKa 3.15(ho 25℃)
Boemo ba polokelo 2-8°C
Refractive Index 1.4016 (khakanyo)
MDL MFCD00004193

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.
S36 - Apara liaparo tse loketseng tsa tšireletso.
WGK Jeremane 3
Khoutu ea HS 29171900
Sehlopha sa Likotsi TS'OALANG

 

Selelekela

Dimethylmalonic acid (eo hape e tsejoang e le succinic acid) ke motsoako oa manyolo. Se latelang ke selelekela sa thepa, tšebeliso, mekhoa ea ho lokisa le tlhaiso-leseling ea polokeho ea dimethylmalonic acid:

 

Boleng:

- Ponahalo: Dimethylmalonic acid hangata ke kristale e se nang 'mala kapa phofo e tšoeu.

- Sollubility: Ho qhibiliha ka har'a lihlapolli tse tšoanang tse kang metsi, ethanol le ether.

 

Sebelisa:

- Joalo ka thepa e tala ea indasteri: E ka sebelisoa ho kopanya resin ea polyester, li-solvents, likoahelo le likhomaretsi.

 

Mokhoa:

- Mokhoa o tloaelehileng oa ho lokisetsa dimethylmalonic acid e fumanoa ka hydroformylation ea ethylene additive. Mohato o tobileng ke ho hydrogenate ethylene e nang le formic acid ho etsa glycolic acid, ebe o tsoela pele ka karabelo ea esterification pakeng tsa glycolic acid le formic acid ho fumana sehlahisoa sa ho qetela sa dimethylmalonic acid.

 

Lintlha tsa Tšireletseho:

- Dimethylmalonic acid ha e na chefo, empa tlhokomelo e ntse e lokela ho nkoa ho latela mekhoa e sireletsehileng ea ts'ebetso ka laboratoring le sebakeng sa tlhahiso.

- Thibela ho hema lerōle kapa ho kopana le letlalo le mahlo ha u le sebelisa, 'me u apare lisebelisoa tse loketseng tsa ho itšireletsa (mohlala, liatlana le likhalase).

- Tabeng ea ho kopana ka phoso, hlatsoa sebaka se amehileng hang-hang ka metsi a mangata 'me u batle thuso ea bongaka ha ho hlokahala.


  • E fetileng:
  • E 'ngoe:

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