Protocatechuic acid CAS 99-50-3 Protocatechuic acid (PCA) ke 3,4-dihydroxybenzoic acid. Ke acid e bonolo ea phenolic, e leng selelekela sa ho qaptjoa ha limolek'hule tse ling tse rarahaneng, tse kang anthocyanin 3-ochemicalbook- β- D-glucoside le vanillin. E fumanoa merohong e jeoang, litholoana, linate, raese e sootho, pecans, tee, lipalesa tsa hibiscus le meriana e meng ea litlama ea Chaena.
Believe Chemical ke China e etelletseng peleProtocatechuic acid CAS 99-50-3mohlahisi, morekisi le morekisi kantle ho naha. Ho khomarela ho lelekisa boleng bo phethahetseng ba lihlahisoa, e le hore ronaProtocatechuic acid CAS 99-50-3e khotsofatsoe ke bareki ba bangata. Shandong Dumela
Re hantle melemo ea lihlahisoa tsa lik'hemik'hale tšimong. Lihlahisoa tsa rona li romeloa linaheng tse ling ho ea Europe, United States, Japane, Korea Boroa, Asia Boroa-bochabela le linaheng tse ling le libaka. Ka saense le thekenoloji e le tataiso, botšepehi e le motheo, boleng e le bophelo, le ho itšetleha ka khopolo ea khoebo ea ho nchafatsa le nts'etsopele, re tšepa ka tieo ho theha phapanyetsano le tšebelisano e pharaletseng le bareki ba malapeng le ba tsoang linaheng tse ling ho theha nala!
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Lebitso la Sehlahiswa |
Protocatechuic acid |
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Foromo |
Boima ba Molek'hule |
154.12 | |
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CAS NO. |
99-50-3 |
Bongata |
500KG |
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Lintho |
Tlhaloso |
Liphetho |
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Ponahalo |
phofo e tšoeu ea kristale |
E lumellana |
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Tlhahlobo |
â¥99.0% |
99.16% |
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TS'ELISO |
Sephetho se lumellana le maemo |
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Sebaka sa ho qhibiliha 197-200 ° C (December) (L)
Sebaka se belang 237.46 ° C (khakanyo e boima)
Boima ba 1.54
Refractive index 1.6400 (e hakantsoeng) fema4430 | 3,4-dihydroxybenzoic acid
Mocheso o tlase 30 ° C maemo a polokelo
Sollubility 20g/l
Acidity coefficient (PKA) 4.48 (ho 25 â)
Morphology ea phofo e halikiloeng
'Mala oa beige ho ea ho sootho
Protocatechuic acid (PCA) ke 3,4-dihydroxybenzoic acid. Ke acid e bonolo ea phenolic, e leng selelekela sa ho qaptjoa ha limolek'hule tse ling tse rarahaneng, tse kang anthocyanin 3-ochemicalbook- β- D-glucoside le vanillin. E fumanoa merohong e jeoang, litholoana, linate, raese e sootho, pecans, tee, lipalesa tsa hibiscus le meriana e meng ea litlama ea Chaena.
