DL-Alpha Tocopheryl Acetate
CAS No.:7695-91-2
Appearance: Pale yellow viscous liquid
Assay: 99%~101%
Standard: EP, USP
Certificate: GMP
Package: 20kg/Drum
Items | Specification |
Appearance | Clear.colorless slightly greenish-yellow,viscous,oily liquid |
Optical rotation | -0.01°~+0.01° |
IR | To conform |
TLC | To conform |
Color reaction | To conform |
Impurity A | ≤0.5% |
Impurity B | ≤1.5% |
Impurity C | ≤0.5% |
Impurities D and E | ≤1.0% |
Any other impurity | ≤0.25% |
Total impurities | ≤2.5% |
Acid | ≤1.0ml |
Residual solvents | Isobutyl acetate ≤0.5% |
Assay | 96.5%~102.0% |
Pb | ≤2mg/kg |
As | ≤1mg/kg |
Copper | ≤25mg/kg |
Zinc | ≤25mg/kg |
Total plate count | ≤1000cfu/g |
Mold & Yeast | ≤100cfu/g |
E. Coli | Negative |
Salmonella | Negative |
Pseudomonas aeruginosa | Negative |
Staphylococcus uraeus | Negative |