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Fekitari Yemhando yepamusoro Yekutsvagisa Reagent Phenolphthalein CAS 77-09-8

 

 


  • Cas:77-09-8
  • Molecular formula:C20H14O4
  • Huremu hweMolecular:318.32
  • EINECS:201-004-7
  • Shoko rakafanana:alpha, alpha.-Di(p-hydroxyphenyl)phthalide; 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxyphenyl)-; 1(3H)-Isobenzofuranone,3,3-bis(4-hydroxyphenyl)-; 2,2-bis(p-hydroxyphenyl)phthalide; 3,3-bis (4-hydroxyphenyl) -1 (3h) -isobenzofuranon; alpha-(p-hydroxyphenyl)-alpha-(4-oxo-2,5-cyclohexadien-1-ylidine)-o-toluicacid; alpha-di-(p-hydroxyphenyl)phthalide
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    Isu tine chokwadi chekuti nematanho akabatanidzwa, bhizinesi rebhizinesi pakati pedu richatiunzira mabhenefiti. Isu tinogona nyore kukuvimbisa kutengesa mhando yakanaka uye hutsinye mutengo tag yeFactory Yepamusoro Yemhando Yekutsvagisa Reagent Phenolphthalein.CAS 77-09-8, Kana uri kutsvaga hutano hwakanaka, kukurumidza kutumirwa, zvakanakisisa mushure mekushanda uye mutengi wemutengo wakanaka muChina nokuda kwehukama hwebhizimisi kwenguva refu, tichava sarudzo yako yakanakisisa.
    Isu tine chokwadi chekuti nematanho akabatanidzwa, bhizinesi rebhizinesi pakati pedu richatiunzira mabhenefiti. Isu tinokwanisa kuvimbisa nyore nyore kutengesa mhando yakanaka uye hukasha mutengo tag yeChina Pharmaceutical Chemical uye Chikafu Chinowedzera, Tine mainjiniya epamusoro mumaindasitiri aya uye timu inoshanda mukutsvaga. Uyezve, ikozvino tine yedu yekuchengetera miromo nemisika muChina nemutengo wakaderera. Naizvozvo, tinogona kusangana nemibvunzo yakasiyana kubva kune vakasiyana vatengi. Rangarira kutsvaga webhusaiti yedu kuti utarise rumwe ruzivo kubva kune zvatinotengesa.

    Phenolphthalein is weak organic acid, inoratidzika sechena kana kuti yero zvishoma makristasi akanaka pane tembiricha. Hainhuhwi uye haina kunaka. Zvakaoma kunyungudika mumvura asi nyore kunyungudika mudoro (ethanol) uye ether. Iyo inonyungudutswa mumhinduro yedoro kuita iyo acid-base chiratidzo. Haina ruvara muacidic solution uye tsvuku mualkali solution kana alkali metal carbonate solution. Nekudaro, kana iri muconcentrated alkali solution, inoburitsa isina colorless trimetallic acid. munyu, ruvara rutsvuku runopera

    Chitarisiko

    Muchena kana chiedza chero checrystalline poda

    Content

    98-102

    Melting point

    260-263 ℃

    Chloride

    ≤0.01

    Sulfate

    ≤0.02

    Sensitivity

    Qualified

    Residue pakubatidza

    (maererano ne sulfate)

     

    ≤0.1

    Kurasikirwa pakuomeswa

    ≤1.0

    Heavy metal

    ≤0.001

    Huwandu hwehuwandu hwehutachiona hweaerobic

    ≤1000cfu/g

    Huwandu hwezvipfuyo nembiriso

    ≤100cfu/g

    1. Pharmaceutical raw materials for the pharmaceutical industry: inokodzera tsika uye yakasindimara kuvimbiswa, inowanikwa mumapiritsi, suppositories uye mamwe mafomu ekuyeresa.

    2. Phenolphthalein inoshandiswa mune organic synthesis: inonyanya kushandiswa pamapurasitiki ekugadzira, kunyanya kushandiswa kwe naphthyridine polyaryl ether ketone polyaryl ether ketone polymers. Iyi mhando yepolymer ine yakanakisa kupisa kupisa, kuramba mvura, uye makemikari kuramba. Nekuda kwekushomeka kwayo kwekuora, kupisa kuchembera kuramba uye kugadzirisa kwakanaka uye kuumbwa, faibha, machira uye zvinhu zvakaumbwa kubva mairi zvinokurumidza kushandiswa zvakanyanya mumidziyo yemagetsi, midziyo yemagetsi, zvekufambisa, aerospace, engineering yeatomu uye mauto ehondo.

    3. Phenolphthalein inoshandiswa sechiratidziro che-acid-base, chiratidzo chekugadzirisa kwezvisina-aqueous solutions, uye reagent ye chromatographic analysis.

    Phenolphthalein-yakashandiswa

     

    25kgs/drum, 9tons/20'container
    25kgs/bag, 20tons/20'container

    Isu tine chokwadi chekuti nematanho akabatanidzwa, bhizinesi rebhizinesi pakati pedu richatiunzira mabhenefiti. Isu tinogona nyore kukuvimbisa kutengesa mhando yakanaka uye hutsinye mutengo tag yeFactory Yepamusoro Yemhando Yekutsvagisa Reagent Phenolphthalein CAS.77-09-8, Kana uri kutsvaga hutano hwakanaka, kukurumidza kutumirwa, zvakanakisisa mushure mekushanda uye mutengi wemutengo wakanaka muChina nokuda kwehukama hwebhizimisi kwenguva refu, tichava sarudzo yako yakanakisisa.
    Factory ForChina Pharmaceutical Chemical uye Chikafu Chinowedzera, Tine mainjiniya epamusoro mumaindasitiri aya uye timu inoshanda mukutsvaga. Uyezve, ikozvino tine yedu yekuchengetera miromo nemisika muChina nemutengo wakaderera. Naizvozvo, tinogona kusangana nemibvunzo yakasiyana kubva kune vakasiyana vatengi. Rangarira kutsvaga webhusaiti yedu kuti utarise rumwe ruzivo kubva kune zvatinotengesa.


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