Protocatechuic acid CAS 99-50-3 Protocatechuic acid (PCA) inonzi 3,4-dihydroxybenzoic acid. Iyo iri nyore phenolic acid, inova inotangira kuumbwa kwemamwe mamorekuru akaoma, akadai seanthocyanin 3-ochemicalbook- β- D-glucoside uye vanillin. Inowanikwa mumiriwo inodyiwa, michero, nzungu, mupunga webrown, pecans, tii, maruva ehibiscus nemimwe mishonga yemakwenzi echiChinese.
Believe Chemical inotungamira ChinaProtocatechuic acid CAS 99-50-3mugadziri, mutengesi uye mutengesi. Kuomerera pakutsvaga kwemhando yakakwana yezvigadzirwa, kuitira kuti yeduProtocatechuic acid CAS 99-50-3vakagutsikana nevatengi vakawanda. Shandong Tendai
Isu takanaka pane zvakanakira zvemakemikari zvigadzirwa mumunda. Zvigadzirwa zvedu zvinotengeswa kuEurope, United States, Japan, South Korea, Southeast Asia nedzimwe nyika nematunhu. Iine sainzi uye tekinoroji segwara, kutendeseka sehwaro, mhando sehupenyu, uye kuvimba nepfungwa yebhizinesi yekuvandudza nekusimudzira, isu tinotarisira nemoyo wese kutanga kuchinjana uye kudyidzana kwakakura nevatengi vemuno nevekunze kugadzira budiriro!
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Product Name |
Protocatechuic acid |
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Formula |
Molecular Weight |
154.12 | |
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CAS NO. |
99-50-3 |
Quantity |
500KG |
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Items |
Tsanangudzo |
Results |
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Chitarisiko |
white crystalline powder |
Conforms |
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Assay |
â¥99.0% |
99.16% |
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MHEDZISO |
Mhedzisiro yacho inoenderana neyakajairwa |
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Kunyungudika 197-200 ° C (Zvita) (L)
Poindi yekuvira 237.46 ° C (yakaomarara fungidziro)
Density 1.54
Refractive index 1.6400 (estimated) fema4430 | 3,4-dihydroxybenzoic asidhi
Low tembiricha 30 ° C kuchengetedza mamiriro
Solubility 20g/l
Acidity coefficient (PKA) 4.48 (pa25 â)
Morphology yehupfu hwakatsetseka
Ruvara beige kusvika kubrown
Protocatechuic acid (PCA) inonzi 3,4-dihydroxybenzoic acid. Iyo iri nyore phenolic acid, inova inotangira kuumbwa kwemamwe mamorekuru akaoma, akadai seanthocyanin 3-ochemicalbook- β- D-glucoside uye vanillin. Inowanikwa mumiriwo inodyiwa, michero, nzungu, mupunga webrown, pecans, tii, maruva ehibiscus nemimwe mishonga yemakwenzi echiChinese.
