Glyoxylic acid 298-12-4

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Glyoxylic acid 298-12-4


  • Khoom npe:Glyoxylic acid
  • CAS:298-12-4 : kuv
  • MF:C2H2O3
  • MW:74.04 ib
  • EINECS:206-058-5 : kuv
  • Cim:neeg tsim khoom
  • Pob:1 kg / lub raj mis los yog 25 kg / nruas
  • Product Detail

    Khoom cim npe

    Kev piav qhia

    Khoom npe: Glyoxylic acid

    CAS: 298-12-4 Nr

    MF: C2H2O3

    wb: 74.04

    PIB: 206-058-5

    Melting point: -93 ° C

    Kub taw tes: 111 ° C

    Qhov ceev: 1.33 g / mL ntawm 20 ° C

    Refractive index: n20/D 1.414

    Fp: 111 ° C

    Cia kub: Khaws hauv qab +30 ° C.

    Pka: 3.18 (ntawm 25 ℃)

    PIB: 14,4511

    ib: 741891

    Specification

    Cov khoom   qhov ntsuas
    Assay % ≥ 40.0, 50.0 Nws
    oxalic acid % ≥ 1.50 ib
    Nitric acid

    % ≥

    0.50 ib
    Glyoxal % ≥ 1.20

    Daim ntawv thov

    Hauv kev lag luam naj hoom, nws yog siv los ua raw khoom rau kev tsim cov methyl vanillin thiab ethyl vanillin.

    Siv nyob rau hauv kev lag luam kws tshuaj raws li ib tug antihypertensive tshuaj Atenolol, Dp-hydroxyphenylglycine (ib lub teb chaws tsim tshuaj intermediate), broad-spectrum tshuaj tua kab mob amoxicillin (lub qhov ncauj), acetophenone, amino acid thiab lwm yam khoom siv hluavtaws intermediate.

    Siv los ua ib qho nruab nrab rau cov kua roj vanish raw cov ntaub ntawv, dyes, plastics thiab tshuaj ua liaj ua teb.

    Nws kuj tseem siv tau los tsim cov allantoin. Allantoin yog ib qho nruab nrab ntawm cov tshuaj tiv thaiv kab mob, cov khoom siv tshuaj, thiab tshuaj txhua hnub.

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    Cia

    Khaws nws kom nruj, kom deb ntawm lub hnub, tsis txhob sib cuag nrog huab cua, thiab khaws cia rau hauv qhov chaw txias, qhuav thiab qhov cua. Khaws thiab thauj khoom raws li kev cai tshuaj lom neeg.

    Lub cev thiab tshuaj muaj zog

    Cov khoom no yog cov kua tsis muaj xim lossis lub teeb daj. Nws yog miscible nrog dej, me ntsis soluble hauv ethanol thiab ether. Insoluble nyob rau hauv esters thiab aromatic solvents. Cov tshuaj yog ruaj khov heev thiab tsis deteriorate thaum muab tso rau hauv cov huab cua, thiab glyoxylic acid muaj nyob rau hauv ib tug hydrated daim ntawv nyob rau hauv lub aqueous tov. Corrosive.


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