
Canthaxanthin, also known as Beta-Carotene-4,4-diketone, is mainly used as a feed additive.
Canthaxanthin Key Specifications (Full COA available upon request):
| Test Item | Specification |
| Loss on Drying, % | ≤8 |
| Lead (Pb), mg/kg | ≤10 |
| Total Arsenic (calculated as As), mg/kg | ≤3 |
| Canthaxanthin Content, % | ≥10 |
| Passing through 0.84mm molecular sieve, % | ≥100 |
| Passing through 0.42mm molecular sieve, % | ≥80 |
| Dichloromethane, mg/kg | ≤600 |
| Triphenylphosphine Oxide (TPPO), % | ≤0.01 |
| Shelf life | 24 months in the original package under recommend storage condition.It is recommended to use the entire content after opening |
| Storage | Store in a cool and dry place,protected from light,heat and oxygen. |
We keep inventory in US, allowing us to provide fast and efficient service to local clients.

Our food additive workshop meets specifications for a Class 100,000 cleanroom, complete with CIP cleaning and automated metal rejection systems
Our professional QC team and our full suite of equipment, we can test every parameter listed on the COA, including assay, heavy metals, and microbiology.

Immediate acknowledgement of all inquiries during business hours.
Guaranteed Consistency and Quality of Supply from Seed to Finished Product.
Yes, we offer complimentary samples for quality evaluation. We only ask that you cover the courier/shipping costs.
Our ingredients are typically packed in 25kg net cardboard drums with an internal double-layer polyethylene (PE) bag for maximum protection.