Stearic Acid
Stearic Acid
Chemical formula: C18H36O2
International name: STEARIC ACID
Synonym: Cetylacetic , n-octadecanoic acid
CAS No: 57-11-4
Qualifications: Imp. "H", GOST 9419-78
Appearance: white with a cream shade shiny flakes
Storage: Store in a dry, well-ventilated place
Specification
Stearic acid 1870
| № | Checking item | Test result |
|---|---|---|
| 1 | Appearance | BEAD |
| 2 | Content stearic acid,% | 40.01 |
| 3 | Content palmic acid,% | 58.05 |
| 4 | Content nutmeg acid,% | 1.94 |
| 5 | Iodine value, g/100g | 3.16 |
| 6 | Acid value, mg/g | 202.35 |
| 7 | Sapon value, mg/g | 202.99 |
| 8 | Hazen color | 100 |
| 9 | Titer, oC | 53.6 |
| 10 | Moisture,% | 0.20 |
| 11 | Inorganic acid,% | <0.001 |
| 12 | Conclusion | Up to standard |
Specification
Stearic acid 1880
| № | Checking item | Test result |
|---|---|---|
| 1 | Appearance | BEAD |
| 2 | Content stearic acid,% | 40.03 |
| 3 | Content palmic acid,% | 58.02 |
| 4 | Content nutmeg acid,% | 1.95 |
| 5 | Iodine value, g/100g | 6.80 |
| 6 | Acid value, mg/g | 200.36 |
| 7 | Sapon value, mg/g | 201.11 |
| 8 | Hazen color | 200 |
| 9 | Titer, oC | 53.0 |
| 10 | Moisture,% | 0.26 |
| 11 | Inorganic acid,% | <0.001 |
| 12 | Conclusion | Up to standard |
Application
Stearic acid ( Cetylacetic or n-octadecanoic acid) is widely used:
-for octadecyl alcohol and octadecylamine;
-the cosmetics industry: sodium stearate is a major component of soap, stearic acid itself is a part of many cosmetics
-the polishing of metals
-in the pharmaceutical industry
-in the manufacture of candles,
-as a plasticizer in the manufacture of rubber, etc.
Stearates, sodium, calcium, lead is used as components of lubricating greases.
Stearic acid esters applied as components of the adhesive pastes, antioxidants, emulsion to treat textiles and leather, monomers for plastics, stabilizers and other food products.