Buy Stearic Acid Powder Raw Pharmaceutical Excipients Online CAS 57-11-4
Stearic Acid Specification
Product Name: Stearic Acid
CAS: 57-11-4
Level: Medical grade
Content: 98%
Appearance: white powder
Packing: 25kg / cardboard drum
Ingredients: Stearic acid
Physical and chemical properties: This product is white or off-white powder with a slippery feel or crystalline hard block. Its profile has fine needle-like crystals with slight luster; it has a slightly odor like oil. The freezing point is not lower than 54 ° C. The iodine value is not more than 4. The acid value is 203~210.
Category: Pharmaceutical raw materials
Field: Pharmaceutical Excipients
Down products: tablets, suppositories, ointments
Application: It is mainly used as a lubricant, an enteric coating agent, a solubilizer, an antifoaming agent and an ointment base in the manufacture of pharmaceuticals, and is commonly used in the manufacture of tablets, pills, capsules, creams and aerosols.
Stearic Acid Certificate of Analysis
| Product name |
Stearic acid |
| CAS No. |
57-11-4 |
Outer Packing |
25kg/DRUM |
| Production date |
2018.1.9 |
Shelf life |
2 years |
| Standard adopted |
Q/HYH011-2012 |
| Items of analysis |
Specification |
Results |
| Appearance |
White beads |
White beads |
| iodine, g/100g |
1.0 |
0.3 |
| Acid value,mg(KOH) /g |
206~211 |
210 |
| Saponification value, mg（KOH）/g |
207~212 |
211 |
| Color |
Hazen≤160 |
50 |
| Freezing point, °C |
54~57 |
55 |
| Moisture |
≤0.20% |
0.09 |
| Inorganic acid |
≤0.001% |
Conforms |
| C18 content |
38~42 |
39.5 |
| Conclusion |
Qualified |
