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| Compound | 3,4-dihydroxybenzoic acid | ||||
|---|---|---|---|---|---|
| CAS No. | 99-50-3 | Catalog No. | 1 | Brand | CHUANGHAI |
| Purity | 99 | Packing | 25kg/DRUMS | Grade | |
| Lead Time | 5Day (s) | Origin | ChinaShanghaiHuangpu | Loading Port | China,Shanghai,Huangpu |
| Boiling Point | 410.7ºC at 760 mmHg |
|---|---|
| Stability | Stable. Incompatible with strong oxidizing agents, strong bases. |
| Storage Condition | Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. |
| Appearance & Physical State | White to light yellow crystal powder |
| Density | 1.559 g/cm3 |
| Melting Point | 198-202ºC |
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Shelf Life: 2-3Years
Protocatechuic acid (3,4-dihydroxybenzoic acid, PCA) is a simple phenolic acid. It is found in a large variety of edible plants and possesses various pharmacological activities.
Protocatechuic acid has an antibacterial effect, and has different degrees of antibacterial effect on Pseudomonas aeruginosa, Escherichia coli, Typhoid bacillus, Shigella, Alcaligenes, Bacillus subtilis and Staphylococcus aureus in vitro. It also has expectorant and anti-asthmatic effects. It is clinically used to treat chronic bronchitis.
| No. | Description | Update Time | Operation |
|---|---|---|---|
| 1 | package | 2023/12/07 | Download |
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