Peb yog cov chaw tsim khoom ntawm 4-Hydroxyphenylacetic acid CAS 156-38-7 hauv Suav teb.4-Hydroxyphenylacetic acid CAS 156-38-7 muaj nyob hauv Tshuag thiab tuaj yeem xa tuaj sai.COA, MSDS thiab TDS ntawm 4-Hydroxyphenylacetic acid CAS 156-38-7 : kuv.
Ntseeg Tshuaj yog ib tug ua Tuam Tshoj 4-Hydroxyphenylacetic acid CAS 156-38-7 chaw tsim tshuaj paus, tsum thiab exporter. Ua raws li kev ua raws li cov khoom lag luam zoo, kom peb cov 4-Hydroxyphenylacetic acid CAS 156-38-7 tau txaus siab los ntawm ntau tus neeg siv khoom. Shandong Ntseeg
Peb zoo ntawm qhov zoo ntawm cov khoom siv tshuaj lom neeg hauv thaj chaw. Peb cov khoom raug xa tawm mus rau Tebchaws Europe, Tebchaws Meskas, Nyiv, Kaus Lim Qab Teb, Sab Hnub Tuaj Asia thiab lwm lub tebchaws thiab cheeb tsam. Nrog rau kev tshawb fawb thiab thev naus laus zis raws li kev qhia, kev ncaj ncees raws li lub hauv paus, zoo li lub neej, thiab tso siab rau lub tswv yim kev lag luam ntawm kev tsim kho tshiab thiab kev loj hlob, peb cia siab tias yuav tsim kev sib pauv thiab kev koom tes nrog cov neeg siv khoom hauv tsev thiab txawv teb chaws los tsim kev vam meej!
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Khoom npe |
4-Hydroxyphenylacetic acid |
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|
Formula |
C8H8O3 |
Molecular Luj |
152.15 |
|
CAS Nr. |
156-38-7 : kuv |
Ntau |
500 KG |
|
Cov khoom |
Specification |
Cov txiaj ntsig |
|
Qhov tshwm sim |
Dawb los yog yuav luag dawb crystalline hmoov
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Ua raws |
|
Assay |
â € 99% |
99.73% |
|
Poob rau ziab
|
≤0.5% |
0.19% |
|
TEEB MEEM |
Qhov tshwm sim ua raws li tus qauv |
|
Melting point: 148-151 ° C (lit.)
Kub taw tes: 234.6 ° C (roughestimate)
Qhov ceev: 1.2143 (roughestimate)
Refractive Index: 1.4945 (kwv yees)
Cia tej yam kev mob: inertia, roomtemperature
Solubility: 50g / l
Acidity coefficient: (PKA) 4.50 ± 0.10 (kwv yees)
Organic synthesis. Organic synthetic intermediates rau ntau lawm β- Synthesis ntawm receptor blocker atenolol thiab 4,7-dihydroxyisoflavone, cov khoom siv zoo ntawm Puerarin daidzein; Nws kuj tseem siv tau los ua tshuaj tua kab nruab nrab. Acylation reagent ntawm phenolic tebchaw thiab amine compounds.
