Protocatechuic acid CAS 99-50-3 Protocatechuic acid (PCA) is 3,4-dihydroxybenzoic acid. It is a simple phenolic acid, which is a precursor for the synthesis of other complex molecules, such as anthocyanin 3-ochemicalbook- β- D-glucoside and vanillin. It is found in edible vegetables, fruits, nuts, brown rice, pecans, tea, hibiscus flowers and some Chinese herbal medicines.
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Product Name |
Protocatechuic acid |
||
Formula |
C7H6O4 |
Molecular Weight |
154.12 |
CAS NO. |
99-50-3 |
Quantity |
500KG |
Items |
Specification |
Results |
Appearance |
white crystalline powder |
Conforms |
Assay |
≥99.0% |
99.16% |
CONCLUSION |
The result conform with standard |
Melting point 197-200 ° C (December) (L)
Boiling point 237.46 ° C (rough estimate)
Density 1.54
Refractive index 1.6400 (estimated) fema4430 | 3,4-dihydroxybenzoic acid
Low temperature +30 ° C storage conditions
Solubility 20g/l
Acidity coefficient (PKA) 4.48 (at 25 ℃)
Morphology of fine-grained powder
Color beige to brown
Protocatechuic acid (PCA) is 3,4-dihydroxybenzoic acid. It is a simple phenolic acid, which is a precursor for the synthesis of other complex molecules, such as anthocyanin 3-ochemicalbook- β- D-glucoside and vanillin. It is found in edible vegetables, fruits, nuts, brown rice, pecans, tea, hibiscus flowers and some Chinese herbal medicines.