CAS 331-39-5 cosmetic grade Caffeic acid powder
Caffeic acid is an organic acid with molecular formula of c9h8o4 and molecular weight of 180.15. It is yellow crystal obtained from concentrated aqueous solution and monohydrate obtained from dilute aqueous solution. Decomposition point 223 ~ 225 °(softening at 194 °).
| Product name |
Caffeic acid |
| Apperance |
Light yellow powder |
| Purity |
Min 98% |
| CAS No. |
331-39-5 |
| Shelf time |
2 years,keep away sunlight, keep dry |
Pharmaceutical field: It has antioxidant, anti-inflammatory and antibacterial effects
Cosmetic field: antioxidant, protective skin barrier role
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.
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