China (Mainland)
Premiumsupplier 
Caffeic acid CAS:331-39-5 CAS NO.331-39-5
- FOB Price: USD: 1.00-1.00 /Metric Ton Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T
- Available Specifications:
99%(1-5)Metric Ton99%(5-20)Metric Ton
- Product Details
Keywords
- Caffeic acid
- 3,4-Dihydroxycinnamic acid
- CAS:331-39-5
Quick Details
- ProName: Caffeic acid CAS:331-39-5
- CasNo: 331-39-5
- Molecular Formula: C9H7O4
- Appearance: Light yellow powder
- Application: Cosmetic
- DeliveryTime: Within 2 weeks after order confirmatio...
- PackAge: 25kg/drum
- Port: Qingdao Port
- ProductionCapacity: 2000 Metric Ton/Year
- Purity: 99%
- Storage: Store in cool and dry place, away from...
- Transportation: By sea or by air
- LimitNum: 1 Kilogram
- CAS: 331-39-5
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 |
|