Umthengisi wokuvelisa iPhenolphthalein CAS 77-09-8

Inkcazelo emfutshane:

Phenolphthalein CAS 77-09-8 ngexabiso elihle


  • Igama lemveliso :Phenolphthalein
  • I-CAS:77-09-8
  • MF:C20H14O4
  • MW:318.32
  • EINECS:201-004-7
  • Umlinganiswa:umenzi
  • Umqulu:1 kg/kg okanye 25 kg/igubu
  • Iinkcukacha zeMveliso

    Iithegi zeMveliso

    Inkcazo

    Igama leMveliso: Phenolphthalein
    CAS: 77-09-8
    MF: C20H14O4
    MW: 318.32
    I-EINECS: 201-004-7
    Indawo yokunyibilika: 261-263 °C (lit.)
    Indawo yokubila: 417.49°C (uqikelelo olurhabaxa)
    Ubuninzi: 1.27 g/cm3 ku-32 °C
    Isalathiso se-refractive: 1.5400 (uqikelelo)
    Fp: 24 °C
    IPH: 7.8-10.0

    Inkcazo

    Imbonakalo Umgubo omhlophe
    Isivavanyi 99% imizuzu
    Indawo yokunyibilika 261-263 °C (lit.)
    Indawo yokubilisa 417.49°C (uqikelelo olurhabaxa)

    Isicelo

    1. Umthengisi wokuvelisa i-Phenolphthalein CAS 77-09-8 esetyenziswa njengesalathisi se-acid-base kunye ne-laxative ecaphukisayo yonyango lokutya.
    2. Isalathisi se-Acid-base, isalathisi esingenamanzi, i-reagent yohlalutyo lwe-chromatographic.

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

    intlawulo

    Iimeko zokugcina

    Gcina uvaliwe kwiqondo lokushisa.

    Uzinzo

    Ibomvu xa inyibilikiswa kwisisombululo se-alkali edibeneyo.

    FAQ

    1. Ngaba unokubonelela ngeenkonzo ezilungiselelweyo?
    RE: Ewe, ewe, singayenza ngokwezifiso imveliso, ileyibhile okanye ukupakishwa ngokweemfuno zakho.

    2. Ndingalifumana njani ixabiso kwaye nini?
    RE: Qhagamshelana nathi ngeemfuno zakho, ezifana nemveliso, i-spec, ubungakanani, indawo (izibuko), njl.

    3. Leliphi ixesha lentlawulo owamkelayo?
    RE: Samkela i-T / T, i-L / C, i-Alibaba, i-PayPal, i-Western union, i-Alipay, i-WeChat Pay, njl.

    4. Leliphi igama lezorhwebo odla ngokulenza?
    RE: EXW, FCA, FOB, CFR, CIF, CPT, DDU, DDP, njl. Kuxhomekeke kwiimfuno zakho.

    FAQ

  • Ngaphambili:
  • Okulandelayo:

  • Iimveliso ezinxulumeneyo