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Offer Details
Stearic Acid
| Offer Type: | ![]() |
|---|---|
| Offer Group: | Magnesia $Zinc $ Stearic arw material Series |
| Offer Post Time: | May 22, 2012 |
| Expiration Date: | Apr 18, 2013 |
Stearic Acid
Triple/double/single pressed
Appearance: White granular or flake
Used in rubber, soaps, cosmetics, etc
Characters and Uses: White flaky or lumpish. It is an important chemical raw
Material and additive, widely used in rubber, plastics, cosmetics,
Pharmaceuticals, chemical auxiliary agent industries etc.
Stearic acid, also called octadecanoic acid, is one of the useful types of
Saturated fatty acids that comes from many animal and vegetable fats and oils.
It is a waxy solid, and its chemical formula is CH3(CH2)16COOH. Its name comes
From the Greek word, stear, which means tallow. Its IUPAC name is octadecanoic
Acid.
Stearic acid is prepared by treating animal fat with water at a high pressure
And temperature. It can also be obtained from the hydrogenation of vegetable
Oils. Common stearic acid is actually a mix of stearic acid and palmitic acid,
Although purified stearic acid is available separately.
Stearic acid is useful as an ingredient in making candles, soaps, and
Cosmestics and for softening rubber.
Packing: In net 25kg polywoven bags
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Items |
Specifications |
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|
Grade |
triple pressed |
double pressed |
single pressed |
|
Iodine value |
2.0max |
4.0max |
8.0max |
|
Sapon value (mgKOH/g) |
206-211 |
203-214 |
193-220 |
|
Acid value (mgKOH/g) |
205-210 |
203-214 |
193-220 |
|
Color (Hazen) |
200max |
400max |
800max |
|
Titer () |
54-57 |
54min |
52min |
|
Moisture, % |
0.20max |
0.20max |
0.30max |
|
Inorganic, % |
0.001max |
0.001max |
0.001max |
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