- Min.Order :1 Kilogram
- Purity: 99%
- Payment Terms : L/C,T/T
Keywords
Caffeic acid 3,4-Dihydroxycinnamic acid CAS:331-39-5
Quick Details
- Appearance:Light yellow powder
- Application:Cosmetic
- PackAge:25kg/drum
- ProductionCapacity:2000|Metric Ton|Year
- Storage:Store in cool and dry place, away from sun light.
- Transportation:By sea or by air
Superiority:
|
Product Name |
Caffeic acid |
|
Appearance |
Light yellow powder |
|
purity |
99% |
|
Grade |
cosmetic grade |
|
Particle size |
100% pass 80 mesh |
|
Test Method |
HPLC |
Details:
|
Item |
Standard |
Test Results |
|
|
Identification |
A.H-NMR:Comply with the structure |
Complies |
|
|
B.LC-MS:Comply with the structure |
Complies |
||
|
C.The IR spectrum of sample should be identical with that of reference standard; |
Complies |
||
|
D.HPLC-ESI-MS |
Complies |
||
|
The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay. |
|||
|
Heavy metals |
≤10 ppm |
<10ppm |
|
|
Water |
≤1.0% |
0.10% |
|
|
Sulphated ash |
≤0.5%, determined on 1.0 g. |
0.01% |
|
|
Related substances |
Unspecified impurities: for each impurity |
≤0.10% |
<0.10% |
|
Total Impurity |
≤0.5% |
0.18% |
|
|
Purity |
≥99.0% |
99.70% |
|
|
Assay |
99.0%~101.0% (anhydrous substance). |
99.80% |
|
|
Storage |
Preserve in well-closed, light-resistant and airtight containers. |
Complies |
|
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