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Stearic acid

CAS No.: 57-11-4

Molecular formula: C18H36O2

Structural formula:

57-11-4

 

Standard: Q/HYH008-2012

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
Item Index
SAl800 type SA1875 type SAl840 type SAl845 type SAl825 type SA8OO type
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
Acid value, mgKOH/g 205-211 200-208 206-211 198-218 208-219 192-219
Chroma(Hazen) ≤ 160 120 160 400 300 400a
Freezing point, ºC 54-57 57-60 54-57 ≥54 ≥52 ≥52
Moisture, % ≤ 0.2 0.2 0.2 0.3 0.3 0.3
Inorganic acid , % ≤ 0.001 0.001 0.001 - - -
C18, % 38-45 70-78 38-45 - - -
C16, % -   - -   -
Net wt., kg/bag (box) 25±0.25

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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