Stearic acid is one of the main long-chain fatty acids that make up fats and oils. It exists in the form of glycerides in animal fats, oils, and some vegetable oils, which are hydrolyzed to obtain stearic acid.
CAS No. :
57-11-4EINECS :
266-928-5Package :
25KG/BAGBrand :
TOPINCHEM®Origin :
CHINAFormula :
C18H36O2Minimum Order :
200KGItem :
Stearic AcidHigh Quality Chemicals Basic Organic Chemicals Organic Acid Stearic Acid CAS 57-11-4
Description
Stearic acid is a widely present fatty acid in nature, with the chemical properties of general carboxylic acids. Almost all fats contain varying amounts of stearic acid, which is relatively high in animal fats.
Specification
| Item | Specification | |||||
| SA1800 | SA1840 | SA1841 | SA1845 | SA1825 | SA8OO | |
| Iodine valuegI2/100g ≤ | 0.8 | 0.8 | 0.5 | 4 | 6 | 8 |
| Saponification value,mgKOH/g | 206-212 | 207-212 | 207-212 | 199-219 | 209-220 | 193-220 |
| Acid value,mgKOH/g | 205-211 | 206-211 | 206-211 | 198-218 | 208-219 | 192-219 |
| Color(Hazen) ≤ | 160 | 100 | 80 | 400 | 300 | 400a |
| Freezing point,ºC | 54-57 | 54-57 | 54-57 | ≥54 | ≥52 | ≥52 |
| Moisture,% ≤ | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Inorganic acid,% ≤ | 0.001 | 0.001 | 0.001 | - | - | - |
| C18 content,% | 38-45 | 38-45 | 38-42 | 40-50 | 22-32 | - |
| C16 content,% | - | - | - | |||
Application
1. Stearic acid is widely used in producing of PVC pipes, plates, profiles and film.
2. Stearic acid is used in producing stearate, such as Sodium Stearate, Magnesium Stearate, Calcium Stearate.
3. Stearic acid is used as kinds of chemical additives, like plasticizer, mould release agent, stabilizer, surfactant age nt, rubber vulcanizing agent, waterproof agent, polishing agent, flotation agent,softening agent, etc.
4. Stearic acid could be used in PVC production as lubricant;
5. Stearic acid also is used in rubber industry and cosmetic industry.
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