CAS 331-39-5 cosmetic grade Caffeic acid powder
ethylcaffeate, one of the caffeic acid derivatives, is a polyphenolic compound, which is the active ingredient of many Chinese herbal medicines. It plays a significant role in scavenging and inhibiting free radicals, anti-tumor, antibacterial and antiviral.
| Product name |
Ethyl caffeater |
| Apperance |
Light yellow powder |
| Purity |
Min 98% |
| CAS No. |
102-37-4 |
| Shelf time |
2 years,keep away sunlight, keep dry |
Pharmaceutical field: It has antioxidant, anti-inflammatory and antibacterial effects
In the food sector: caffeic acid is used as a food preservative to prevent spoilage and extend the shelf life of food.
Detailed COA, pls require us freely!
| Items |
Standard |
Results |
| Assay % |
98.0~102.0 |
98.12 |
| Identification |
Should Comply with the standard |
Conforms |
| Appearance |
Pink powder |
Conforms |
| Physicochemical indexes |
| Reducing substances % |
≤1.0 |
<1.0 |
| Chloride % |
≤0.07 |
<0.07 |
| Sulfate % |
≤0.05 |
<0.05 |
| Lead (as Pb) mg/kg |
≤ 2.0 |
<2.0 |
| Arsenic(as As) mg/kg |
≤ 3.0 |
<3.0 |
| Organic volatile impurities |
Meets the requirement |
Conforms |
| Weight |
Packing method |
| 1kg |
bag/kg, box outside (double plastic bag + Aluminum foil bag inside) |
| 10kgs,25kg or more |
by Drums or carton (3 layers plastic bag inside) |
| Weight |
Delivery mothod |
Delivery time |
| 1kg-25kgs |
EMS,DHL,UPS,Fedex,TNT |
3-7days |
| 25kgs-100kgs |
DHL,FedEx,by Air |
3-7days |
| more than 100kgs |
by Air |
3-7days |
| by Sea |
10-35days |
1. How do you confirm product quality before order?
Free samples can be provided for your evaluation before ordering, and COA can be supplied of each batch products.
2. Can i get free samples?
Yes, Free samples 1-30grams available based on product value.
3. How long can i get my order?
Usually, the order will send within 1-3days after payment.
Shipping can by International Express(3-8days), by Air(3-5days), by Sea(8-35days) based on quantity and destination, or by your forwarder.
4. How is your customer service?
We provide 24-hour online service by Made in China, or by email, Skype, Whatsapp, telephone.
Audited Supplier 
ethylcaffeate, one of the caffeic acid derivatives, is a polyphenolic compound, which is the active ingredient of many Chinese herbal medicines. It plays a significant role in scavenging and inhibiting free radicals, anti-tumor, antibacterial and antiviral.
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