Moetsi oa thepa Phenolphthalein CAS 77-09-8

Tlhaloso e Khutšoanyane:

Phenolphthalein CAS 77-09-8 ka theko e ntle ka ho fetisisa


  • Lebitso la sehlahisoa :Phenolphthalein
  • CAS:77-09-8
  • MF:C20H14O4
  • MW:318.32
  • EINECS:201-004-7
  • Sebopeho:moetsi
  • Sephutheloana:1 kg/kg kapa 25kg/moropa
  • Lintlha tsa Sehlahisoa

    Li-tag tsa Sehlahisoa

    Tlhaloso

    Lebitso la Sehlahisoa: Phenolphthalein
    CAS: 77-09-8
    MF: C20H14O4
    MW: 318.32
    EINECS: 201-004-7
    Sebaka se qhibilihang: 261-263 °C (hote.)
    Sebaka se belang: 417.49°C (khakanyo e boima)
    Boima: 1.27 g/cm3 ho 32 °C
    index ea Refractive: 1.5400 (khakanyo)
    Fp: 24 °C
    PH: 7.8–10.0

    Tlhaloso

    Ponahalo Phofo e tšoeu
    Tlhahlobo 99% mets
    Sebaka se qhibilihang 261-263 °C (hote.)
    Ntho e belang 417.49°C (khakanyo e boima)

    Kopo

    1. Moetsi oa thepa Phenolphthalein CAS 77-09-8 e sebelisoang e le pontšo ea acid-base le laxative e halefisang bakeng sa phekolo ea ho patoa.
    2. Letšoao la acid-base, sesupo sa titration se se nang metsi, reagent ea tlhahlobo ea chromatographic.

    Tefo

    * Re ka fana ka mekhoa e fapaneng ea ho lefa bakeng sa khetho ea bareki.
    * Ha chelete e le nyane, hangata bareki ba lefa ka PayPal, Western union, Alibaba, jj.
    * Ha chelete e le ngata, hangata bareki ba lefa ka T/T, L/C ha ba bona, Alibaba, jj.
    * Ntle le moo, bareki ba bangata ba tla sebelisa Alipay kapa WeChat ho lefa ho etsa tefo.

    tefo

    Maemo a polokelo

    Boloka e tiisitsoe mocheso oa kamore.

    Botsitso

    E khubelu ha e qhibiliha ka tharollo ea alkali e hlapollang.

    LBH

    1. Na o ka fana ka litšebeletso tse ikhethileng?
    RE: E, ehlile, re ka etsa sehlahisoa, lileibole kapa liphutheloana ho latela litlhoko tsa hau.

    2. Nka fumana theko joang hona neng?
    RE: Ikopanye le rona ka litlhoko tsa hau, joalo ka sehlahisoa, spec, bongata, moo u eang teng(port), joalo-joalo, re tla qotsa nakong ea lihora tse 3 tsa ts'ebetso kamora hore re fumane potso ea hau.

    3. U amohela nako efe ea tefo?
    RE: Re amohela T/T, L/C, Alibaba, PayPal, Western union, Alipay, WeChat Pay, joalo-joalo.

    4. Ke nako efe ea khoebo eo u tloaetseng ho e etsa?
    RE: EXW, FCA, FOB, CFR, CIF, CPT, DDU, DDP, joalo-joalo Ho itšetlehile ka litlhoko tsa hau.

    LBH

  • E fetileng:
  • E 'ngoe:

  • Lihlahisoa tse Amanang