Description
Technical Parameters
Product Brief Introduction
Product name: Caffeic acid
CAS：331-39-5
MF: C9H8O4
MW: 180.157
Product Specification
|
Item |
Specification |
|
Appearance |
Yellowish crystalline powder |
|
Solubility |
Soluble in ethanol, almost insoluble in water |
|
Melting Point |
194℃-198℃ |
|
Loss on Drying |
≤ 0.5% |
|
Sulfated Ash |
≤ 0.3% |
|
Chloride |
≤ 0.01% |
|
Heavy Metal |
≤ 10ppm |
|
Lead |
≤ 1ppm |
|
Arsenic |
≤ 2ppm |
|
Cadmium |
≤ 1ppm |
|
Mercury |
≤ 1ppm |
|
Assay |
98.5%~102.5% |
