Stearic Acid CAS NO. 57-11-4
Molecular formula: C18H36O2
Standard: Q/HYH008-2012
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CAS No.: 57-11-4 Molecular formula: C18H36O2 Standard: Q/HYH008-2012 Structural formula:
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Properties and Uses
Properties: lumpy, flaky, powdery or granular.
Uses: is an important chemical raw material and additive, widely used in food, rubber, plastic, cosmetics, drugs and auxiliaries.
Physical and chemical index
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Item |
Index |
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|
SAl800 type |
SA1875 type |
SAl840 type |
SAl845 type |
SAl825 type |
SA8OO type |
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Iodine valuegI2/100g ≤ |
0.8 |
0.6 |
1 |
4 |
6 |
8 |
|
Saponification value, mgKOH/g |
206-212 |
201-209 |
207-212 |
199-219 |
209-220 |
193-220 |
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Acid value, mgKOH/g |
205-211 |
200-208 |
206-211 |
198-218 |
208-219 |
192-219 |
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Chroma(Hazen) ≤ |
160 |
120 |
160 |
400 |
300 |
400a |
|
Freezing point, ºC |
54-57 |
57-60 |
54-57 |
≥54 |
≥52 |
≥52 |
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Moisture, % ≤ |
0.2 |
0.2 |
0.2 |
0.3 |
0.3 |
0.3 |
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Inorganic acid , % ≤ |
0.001 |
0.001 |
0.001 |
- |
- |
- |
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C18, % |
38-45 |
70-78 |
38-45 |
- |
- |
- |
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C16, % |
- |
|
- |
- |
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- |
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Net wt., kg/bag (box) |
25±0.25 |
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Note: sample a is made into a 15% ethanol solution.
Packing: paper box (lined with a layer of clean kraft paper) or polypropylene woven bag (lined with plastic bag). This paper box is reinforced with plastic bet; Net wt. 25kg or 700kg bulk bag.
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