Product Brief Introduction
Product name: Ascorbyl Palmitate
CAS: 137-66-6
MF: C22H38O7
MW: 414.54
Product Specification
|
Appearance |
White or yellowish-white powder |
|
Color |
Weigh 1.0g of sample, dissolve in 25ml of alcohol, add 1ml of 2,6- dichlorophenol-indophenol sodium standard solution (1 in 1000ml of alcohol). Then the blue color of the 2,6-dichlorophenol-indophenol sodium solution is discharged immediately. |
|
Odor |
Without caramel smell |
|
Identification |
IR: the infrared absorption spectrum of the sample complies with the CRS standard. |
|
Solubility |
Freely soluble in alcohol and in methanol, practically insoluble in water, methylene chloride, sunflower oil,olive oil and ground nut oil. |
|
Appearance of Solution |
The solution is clear and not more intensely coloured than reference solution BY4. |
|
Specific Rotation (on dried basis) |
+21.0°~ +24.0° |
|
Melting Point |
107.0℃~117.0℃ |
|
Loss on Drying |
≤ 2.0% |
|
Residue on Ignition |
≤ 0.1% |
|
Sulfated Ash |
≤ 0.1% |
|
Heavy Metals |
≤ 10ppm |
|
Lead |
≤ 2ppm |
|
Cadmium |
≤ 0.5ppm |
|
Residual Solvents |
≤ 0.5% |
|
Total Plate Count |
≤ 1000cfu/g |
|
Yeasts & Molds |
≤ 100cfu/g |
|
E.Coli |
Negative/10g |
|
Salmonella |
Negative/25g |
|
Staphylococcus Aureus |
Negative/10g |
|
Pseudomonas Aeruginosa |
Negative/10g |
|
Assay |
≥95.0% |
