Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
| Item | Specification | Unit | Remarks |
| Product Name | Protocatechualdehyde | — | Abbreviation: PCA |
| CAS Number | 139-85-5 | — | |
| Molecular Formula | C?H?O? | — | |
| Molecular Weight | 138.12 | g/mol | |
| Appearance | Brown crystalline powder | — | With characteristic odor |
| Purity | ≥98.0 | % | HPLC; analytical grade ≥99.8% |
| Melting Point | 150-157 | ℃ | lit. = literature value |
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