Umphakeli wokukhiqiza i-Phenolphthalein CAS 77-09-8

Incazelo emfushane:

I-Phenolphthalein CAS 77-09-8 ngentengo engcono kakhulu


  • Igama lomkhiqizo :I-Phenolphthalein
  • I-CAS:77-09-8
  • MF:I-C20H14O4
  • MW:318.32
  • I-EINECS:201-004-7
  • Umlingiswa:umkhiqizi
  • Iphakheji:1 kg/kg noma 25 kg/isigubhu
  • Imininingwane Yomkhiqizo

    Omaka bomkhiqizo

    Incazelo

    Igama lomkhiqizo: Phenolphthalein
    CAS: 77-09-8
    MF: C20H14O4
    MW: 318.32
    I-EINECS: 201-004-7
    Iphuzu elincibilikayo: 261-263 °C (lit.)
    Indawo yokubilisa: 417.49°C (isilinganiso esinzima)
    Ukuminyana: 1.27 g/cm3 ku-32 °C
    Inkomba ye-refractive: 1.5400 (isilinganiso)
    Fp: 24 °C
    PH: 7.8–10.0

    Ukucaciswa

    Ukubukeka Impushana emhlophe
    Isivivinyo 99% iminithi
    Iphoyinti lokuncibilika 261-263 °C (okhanyisiwe)
    Iphuzu elibilayo 417.49°C (isilinganiso esinzima)

    Isicelo

    1. Umkhiqizi we-Phenolphthalein CAS 77-09-8 esetshenziswa njengenkomba ye-acid-base kanye ne-laxative ecasulayo yokwelapha ukuqunjelwa
    2. Inkomba ye-Acid-base, inkomba ye-titration engeyona amanzi, i-reagent yokuhlaziya i-chromatographic.

    Inkokhelo

    * Singahlinzeka ngezindlela zokukhokha ezihlukahlukene ngokukhetha kwamakhasimende.
    * Uma inani lilincane, amakhasimende ngokuvamile akhokha nge-PayPal, i-Western union, i-Alibaba, njll.
    * Uma inani likhulu, amakhasimende ngokuvamile akhokha nge-T/T, L/C lapho ebona, i-Alibaba, njll.
    * Ngaphandle kwalokho, amakhasimende amaningi ngokwengeziwe azosebenzisa i-Alipay noma i-WeChat akhokhe ukuze enze inkokhelo.

    inkokhelo

    Izimo zokugcina

    Gcina kuvaliwe ekamelweni lokushisa.

    Ukuzinza

    Ibomvu uma incibilika kusisombululo se-alkali esincibilikayo.

    FAQ

    1. Ungakwazi yini ukuhlinzeka ngezinsizakalo ezenziwe ngokwezifiso?
    RE: Yebo, kunjalo, singakwazi ukwenza ngokwezifiso umkhiqizo, ilebula noma amaphakheji ngokwezidingo zakho.

    2. Ngingayithola kanjani futhi nini intengo?
    RE: Xhumana nathi ngezimfuno zakho, ezinjengomkhiqizo, i-spec, ubungako, indawo (ichweba), njll, sizobe sesicaphuna kungakapheli amahora amathathu okusebenza ngemva kokuthola uphenyo lwakho.

    3. Yisiphi isikhathi sokukhokha owamukelayo?
    RE: Samukela i-T/T, L/C, Alibaba, PayPal, Western union, Alipay, WeChat Pay, njll.

    4. Iliphi igama lezohwebo ojwayele ukulenza?
    RE: EXW, FCA, FOB, CFR, CIF, CPT, DDU, DDP, njll. Kuya ngezimfuno zakho.

    FAQ

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