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alpha-Naphtholphthalein CAS 596-01-0


  • CAS:596-01-0
  • Fọọmu Molecular:C28H18O4
  • Ìwọ̀n Molikula:418.44
  • EINECS:209-875-5
  • Awọn itumọ ọrọ sisọ:3,3-bis (4-hydroxynaphthalen-1-yl) -1,3-dihydro-2-benzofuran-1-ọkan; alpha-Naphtholphthalein, atọka, funfun 5GR; 3,3-Bis (4-hydroxynaphthalen-1-yl) isobenzofuran-1 (3H) -ọkan; 1-NAPHTHOLPHTHALEIN Atọkasi PH 7,1 - 8; 1-NAPHTHOLPHTHALEIN; ALFA-NAPHTHOLPHTHALEIN; NAPHTHOLPHTHALEIN
  • Alaye ọja

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    ọja Tags

    Kini alpha-Naphtholphthalein CAS 596-01-0?

    Awọn aimọ ti o wa ninu alpha Nathophthalein jẹ pupa ina pupọ julọ ni awọ, eyiti o yipada lati pupa ina si alawọ ewe-bulu ni pH 7.3-8.7.

    Sipesifikesonu

    Nkan Sipesifikesonu
    Oju omi farabale 496.21°C (iṣiro ti o ni inira)
    iwuwo 1.1532 (iṣiro ti o ni inira)
    Ojuami yo 238-240°C(tan.)
    pKa 8.0, 8.2, 8.5 (ni 25℃)
    resistivity 1.6400 (iṣiro)
    Awọn ipo ipamọ Fipamọ ni isalẹ + 30 ° C.

    Ohun elo

    Alpha Nephthophyllein jẹ lilo bi itọka-ipilẹ acid. Ko ni awọ si ofeefee osan ni pH ti o wa ni ayika 6.7 ati pe o yipada lati ofeefee osan si buluu ni pH ti o wa ni ayika 7.9. Awọn aimọ ni awọn ọja ti o wa ni iṣowo nigbagbogbo han bi awọ pupa ina, eyiti o yipada lati pupa ina si alawọ ewe-bulu ni pH ti 7.3-8.7.

    Package

    Nigbagbogbo aba ti ni 25kg / ilu, ati tun le ṣee ṣe package ti adani.

    alpha-Naphtholphthalein-pack

    alpha-Naphtholphthalein CAS 596-01-0

    alpha-Naphtholphthalein-packing

    alpha-Naphtholphthalein CAS 596-01-0


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