mankhwala

Propylene glycol CAS: 57-55-6

Kufotokozera mwachidule:

Dzina la sayansi la propylene glycol ndi "1,2-propanediol". The racemate ndi hygroscopic viscous madzi ndi kukoma pang'ono zokometsera. Imasungunuka m'madzi, acetone, ethyl acetate ndi chloroform, komanso kusungunuka mu ether. Zosungunuka m'mafuta ambiri ofunikira, koma osasunthika ndi petroleum ether, parafini ndi mafuta. Imakhala yokhazikika pakutentha ndi kuwala, ndipo imakhala yokhazikika pakatentha kwambiri. Propylene glycol imatha kukhala oxidized mu propionaldehyde, lactic acid, pyruvic acid ndi acetic acid pa kutentha kwambiri.
Propylene glycol ndi diol ndipo imakhala ndi ma alcohols ambiri. Amakhudzidwa ndi ma organic acid ndi ma inorganic acid kuti apange ma monoesters kapena diesters. Imakhudzidwa ndi propylene oxide kupanga ether. Imakhudzidwa ndi hydrogen halide kupanga ma halohydrin. Imakhudzidwa ndi acetaldehyde kupanga methyldioxolane.
Monga bacteriostatic agent, propylene glycol ndi ofanana ndi ethanol, ndipo mphamvu yake yoletsa nkhungu imakhala yofanana ndi ya glycerin ndi yotsika pang'ono kuposa ya ethanol. Propylene glycol imagwiritsidwa ntchito ngati plasticizer muzopaka filimu zamadzimadzi. Kusakaniza kwa magawo ofanana ndi madzi kumatha kuchedwa hydrolysis ya mankhwala ena ndikuwonjezera kukhazikika kwa kukonzekera.
Zamadzimadzi zopanda mtundu, zowoneka bwino komanso zokhazikika zotengera madzi, pafupifupi zosakoma komanso zopanda fungo. Zosakaniza ndi madzi, Mowa ndi zosungunulira zosiyanasiyana organic. Amagwiritsidwa ntchito ngati zopangira zopangira ma resin, ma plasticizer, ma surfactants, emulsifiers ndi demulsifiers, komanso antifreeze ndi zonyamula kutentha.


  • Dzina:Propylene glycol CAS: 57-55-6
  • Dzina la Brand:MIT-IVY
  • Zochitika:Zamadzimadzi zopanda mtundu, zowoneka bwino komanso zokhazikika zotengera madzi.
  • Chitetezo Chachilengedwe ::Inde
  • Chitsimikizo::ISO
  • Mtundu:Amagwiritsidwa ntchito ngati zopangira zopangira ma resins, plasticizers, surfactants, etc.
  • Phukusi:ng'oma
  • Kusintha mwamakonda::Inde
  • Mphamvu Zopanga:500 Matani / Mwezi
  • Koyambira:China
  • Tsatanetsatane wa Zamalonda

    Zolemba Zamalonda

    Chiyambi cha malonda

    Dzina la sayansi la propylene glycol ndi "1,2-propanediol". The racemate ndi hygroscopic viscous madzi ndi kukoma pang'ono zokometsera. Imasungunuka m'madzi, acetone, ethyl acetate ndi chloroform, komanso kusungunuka mu ether. Zosungunuka m'mafuta ambiri ofunikira, koma osasunthika ndi petroleum ether, parafini ndi mafuta. Imakhala yokhazikika pakutentha ndi kuwala, ndipo imakhala yokhazikika pakatentha kwambiri. Propylene glycol imatha kukhala oxidized mu propionaldehyde, lactic acid, pyruvic acid ndi acetic acid pa kutentha kwambiri.
    Propylene glycol ndi diol ndipo imakhala ndi ma alcohols ambiri. Amakhudzidwa ndi ma organic acid ndi ma inorganic acid kuti apange ma monoesters kapena diesters. Imakhudzidwa ndi propylene oxide kupanga ether. Imakhudzidwa ndi hydrogen halide kupanga ma halohydrin. Imasanganikirana ndi acetaldehyde kupanga methyldioxolane, wopanda mtundu, viscous ndi madzi okhazikika omwe amayamwa madzi, pafupifupi osakoma komanso osanunkhiza. Zosakaniza ndi madzi, Mowa ndi zosungunulira zosiyanasiyana organic.

    Munda wofunsira

    Amagwiritsidwa ntchito ngati zopangira zopangira ma resin, ma plasticizer, ma surfactants, emulsifiers ndi demulsifiers, komanso antifreeze ndi zonyamula kutentha.

    Kufotokozera za zomangamanga

    Propylene glycol

    CAS: 57-55-6

    Molecular formula C3H8O2

    Kulemera kwa molekyulu 76.09

    Nambala ya EINECS 200-338-0

    Malo osungunuka -60 °C (kuyatsa)

    Malo otentha 187 ° C (lit.)

    Kachulukidwe 1.036 g/mL pa 25 °C (lit.)

    Kuchuluka kwa nthunzi 2.62 (vs mpweya)

    Kuthamanga kwa nthunzi 0.08 mm Hg (20 °C)

    Refractive index n20 /D 1.432(lit.

     

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