gamma-Valerolactone CAS 108-29-2 ixabiso umenzi GVL

Inkcazelo emfutshane:

umthengisi wefektri γ-Valerolactone cas 108-29-2 GVL


  • Igama lemveliso :γ-Valerolactone
  • I-CAS:108-29-2
  • MF:C5H8O2
  • MW:C5H8O2
  • EINECS:203-569-5
  • Umlinganiswa:umenzi
  • Umqulu:1 kg/ibhegi okanye 25 kg/igubu
  • Iinkcukacha zeMveliso

    Iithegi zeMveliso

    Inkcazo

    Igama leMveliso: i-gamma-Valerolactone
    CAS: 108-29-2
    MF: C5H8O2
    MW: 100.12
    I-EINECS: 203-569-5
    Indawo yokunyibilika: −31 °C(lit.)
    Indawo yokubila: 207-208 °C(lit.)
    Ubuninzi: 1.05 g/mL ku-25 °C(lit.)
    Ubuninzi bomphunga: 3.45 (vs umoya)
    Isalathiso se-Fefractive: n20/D 1.432(lit.)
    Fp: 204.8 °F
    Ifomu: Ulwelo
    Umbala: Icacile ayinambala
    PH: 7 (H2O, 20℃)

    Inkcazo

    Izinto zokuhlola

    Iinkcukacha

    Iziphumo

    Imbonakalo

    Lulwelo olungenambala ukuya kumthubi kancinane

    ukuhambelana

    Ivumba

    I-Herbal, i-cocoa eshushu eshushu, enemithi

    ukuhambelana

    Isivavanyi

    ≥98%

    99.9%

    Refractive Index

    1.431-1.434

    1.4334

    Ubunzima obuthile

    1.047-1.054

    1.0521

    Ixabiso le-Acid

    ≤1.0%

    0.2%

    Ukuqukumbela

    ukuhambelana

    Isicelo

    I-1.gamma-Valerolactone inamandla okusabela, kwaye ingasetyenziswa njenge-solvent kunye neentlobo ezahlukeneyo zeekhemikhali ezinxulumene nazo.
    I-2.gamma-Valerolactone isetyenziswe njenge-lubricant, i-plasticizer, i-gelling agent ye-nonionic surfactants, iklasi ye-lactone ye-lead petroli additive.
    I-3.gamma-Valerolactone ikwasetyenziselwa i-cellulose ester kunye ne-synthetic fiber dyeing.

    Iphakheji

    I-1 kg/ibhegi okanye i-25 kg/igubu okanye i-50 kg/igubu okanye ngokweemfuno zabathengi.

     

    Malunga nezoThutho

    * Sinokubonelela ngeentlobo ezahlukeneyo zothutho ngokweemfuno zabathengi.

    * Xa ubuninzi buncinci, sinokuthumela ngeenqwelo zomoya okanye ngamazwe ngamazwe, njengeFedEx, DHL, TNT, EMS kunye neentlobo ezahlukeneyo zothutho lwamazwe ngamazwe imigca ekhethekileyo.

    * Xa isixa sikhulu, sinokuhamba ngenqanawa ukuya kwizibuko elimiselweyo.

    * Ngaphandle koko, sinokubonelela ngeenkonzo ezikhethekileyo ngokweemfuno zabathengi kunye neepropati zeemveliso.

    Ezothutho
    intlawulo

    Intlawulo

    * Sinokubonelela ngeendlela ezahlukeneyo zentlawulo zokhetho lwabathengi.

    * Xa isixa sincinci, abathengi badla ngokwenza intlawulo nge-PayPal, i-Western union, i-Alibaba, njl.

    * Xa isixa sikhulu, abathengi badla ngokwenza intlawulo ngeT/T, L/C xa bebona, Alibaba, njl.

    * Ngaphandle koko, ngakumbi nangakumbi abathengi baya kusebenzisa i-Alipay okanye i-WeChat intlawulo ukwenza intlawulo.

    Ugcino

    1. Gcina kwindawo epholileyo nengena umoya.
    2. Zigcine kude nomlilo kunye nemithombo yobushushu.
    3. Kuphephe ukukhanya kwelanga.
    4. Gcina isikhongozeli sivalwe ngokuqinileyo.
    5. Kufuneka igcinwe ngokwahlukileyo kwi-oxidants, i-agent yokunciphisa, kunye ne-acids, kwaye ugweme ukugcinwa okuxubileyo.
    6. Ukuxhotyiswa ngeentlobo ezihambelanayo kunye nobuninzi bezixhobo zokucima umlilo.
    7. Indawo yokugcina kufuneka ixhotywe ngokuvuza kwezixhobo zonyango olungxamisekileyo kunye nezixhobo ezifanelekileyo zokugcina.

    Uzinzo

    1. Gwema ukudibanisa nee-oxidants ezinamandla, ii-agent zokunciphisa ezinamandla, kunye nee-acids ezinamandla. Nxiba impahla ekhuselayo xa usetyenziswa.
    2. Zikhona kumagqabi ecuba aphethwe ngumkhuhlane kunye namagqabi ecuba e-burley.

    Amanyathelo oncedo lokuqala

    Ingcebiso ngokubanzi
    Dibana nogqirha. Bonisa olu xwebhu lwedatha yokhuseleko kugqirha okhoyo.
    Ukuba uphefumlelwe
    Ukuba uphefumle ngaphakathi, hambisa umntu kumoya omtsha. Ukuba awuphefumli, nika ukuphefumla okwenziweyo. Dibana nogqirha.
    Kwimeko yoqhagamshelwano lwesikhumba
    Zihlambe ngesepha kunye namanzi amaninzi. Dibana nogqirha.
    Kwimeko yokudibana kwamehlo
    Geza amehlo ngamanzi njengenyathelo lokhuseleko.
    Ukuba iginyiwe
    Ungaze unike nantoni na ngomlomo kumntu ongekho zingqondweni. Hlamba umlomo ngamanzi. Dibana nogqirha.


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