Wopanga zinthu Phenolphthalein CAS 77-09-8

Kufotokozera Kwachidule:

Phenolphthalein CAS 77-09-8 ndi mtengo wabwino kwambiri


  • Dzina la malonda:Phenolphthalein
  • CAS:77-09-8
  • MF:C20H14O4
  • MW:318.32
  • EINECS:201-004-7
  • Khalidwe:wopanga
  • Phukusi:1 kg/kg kapena 25kg/ng'oma
  • Tsatanetsatane wa Zamalonda

    Zolemba Zamalonda

    Kufotokozera

    Dzina la mankhwala: Phenolphthalein
    CAS: 77-09-8
    MF: C20H14O4
    MW: 318.32
    EINECS: 201-004-7
    Malo osungunuka: 261-263 °C (lat.)
    Malo otentha: 417.49°C (kuyerekeza movutikira)
    Kachulukidwe: 1.27 g/cm3 pa 32 °C
    Refractive index: 1.5400 (chiwerengero)
    Fp: 24 °C
    PH: 7.8-10.0

    Kufotokozera

    Maonekedwe White ufa
    Kuyesa 99% mphindi
    Malo osungunuka 261-263 °C (kuyatsa)
    Malo otentha 417.49°C (kuyerekeza molakwika)

    Kugwiritsa ntchito

    1. Wopanga mankhwala Phenolphthalein CAS 77-09-8 amagwiritsidwa ntchito ngati chizindikiro cha acid-base ndi mankhwala otsekemera otsekemera pochiza kudzimbidwa.
    2. Chizindikiro cha Acid-base, chizindikiro chosakhala chamadzimadzi, chromatographic analysis reagent.

    Malipiro

    * Titha kupereka njira zosiyanasiyana zolipirira makasitomala.
    * Ndalamazo zikachepa, makasitomala nthawi zambiri amalipira kudzera pa PayPal, Western Union, Alibaba, ndi zina.
    * Ndalamazo zikachuluka, makasitomala nthawi zambiri amalipira kudzera pa T/T, L/C akuwona, Alibaba, ndi zina.
    * Kupatula apo, makasitomala ochulukirachulukira adzagwiritsa ntchito Alipay kapena WeChat kulipira kuti alipire.

    malipiro

    Zosungirako

    Kusunga losindikizidwa firiji.

    Kukhazikika

    Zimakhala zofiira zikasungunuka mu njira yothetsera alkali.

    FAQ

    1. Kodi mungapereke ntchito zosinthidwa makonda?
    RE: Inde, titha kusintha makonda anu zinthu, zolemba kapena zopakira malinga ndi zomwe mukufuna.

    2. Kodi ndingapeze bwanji mtengo wake komanso liti?
    YAM'MBUYO YOTSATIRA: Lumikizanani nafe ndi zomwe mukufuna, monga malonda, mtundu, kuchuluka, komwe mukupita(doko), ndi zina, ndiye tidzagwira mawu mkati mwa maola atatu ogwira ntchito titafunsa.

    3. Kodi mumavomereza nthawi yolipira iti?
    RE: Timavomereza T/T, L/C, Alibaba, PayPal, Western union, Alipay, WeChat Pay, etc.

    4. Ndi mawu ati amalonda omwe mumakonda kuchita?
    RE: EXW, FCA, FOB, CFR, CIF, CPT, DDU, DDP, etc. Zimatengera zofuna zanu.

    FAQ

  • Zam'mbuyo:
  • Ena:

  • Zogwirizana nazo