Stearic Acid Flakes

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8000MT/month m.t./month

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Product Description:

                   Stearic acid

Formula: C18H36O2

Structural Formula:CH3(CH2)16COOH

Product Description:

Shaped like Lump, flake; Saturated fatty acid mainly with C16 and C18, white flake solid at ambient temperature, not dissolved in water, slightly dissolved in benzene and carbon bisulfide, and easily dissolved in hot alcohol. No smell no poison. It has the general chemical properties of organic carboxylic acid.

Physicochemical Properties:

pure product is white with a shiny soft small pieces, melting point 69.6 degrees, the boiling point of 376.1 degrees. Relative density 0.9408, refractive index 1.4299, slowly volatile in the 90-100 degrees. Slightly soluble in cold water, soluble in alcohol, acetone, soluble in benzene, chloroform, ethyl ether, carbon tetrachloride, carbon disulfide, toluene and so on.

Specification:

Item

Index

Grade No.

1842

1838

1820

1860

1870

1880

Iodine value gI2/100g ≤

5.0

5.0

5.0

6.0

7.0

8.0

Saponification value mgKOH/g

206~211

206-213

214-216

193-220

193-220

192-218

Acid value mgKOH/g

208~210

210~211.5

214-225

182-218

192-218

193-220

Chroma (Hazen) ≤

60

80

100

200-400

150

400

Freezing point °C

54~57

54~57

55~57

54

52

52

Moisture %

0.2

0.2

0.2

0.3

0.3

0.3

Inorganic acid %

0.001

0.001

0.001

0.001

0.001

0.001

Suggest Uses:

Mainly for the production of stearic acid salts: Widely used system for cosmetics, plastic cold-resistant plasticizer, release agent, stabilizer, surfactants, rubber vulcanization accelerator, waterproof agent, polishing agent, metal soap, metal mineral flotation agent, softeners, pharmaceuticals, and other organic chemicals.
In addition, oil-soluble pigments can be used as solvents, crayons transfer slip agent, waxed paper lighting agent, stearic acid glyceride emulsifier, etc..

Packing :25/50kg in PP bag ,25MT/20GP

Product Storage:

in dry warehouse ventilation should be more than 10mm from the ground to avoid damp  products in the above-mentioned conditions, from the date of delivery for one year shelf life.


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Q:What is carbohydrate? What is organic? What is it?
Carbohydrates, also known as carbohydrates, are the most abundant and most widely distributed organic compounds in nature. Mainly by the carbon, hydrogen, oxygen composition. Glucose, sucrose, starch and cellulose all belong to carbohydrates.
Q:Why can organic matter be unique in chemical substances? What is the nature of the C atom?
Organic carbon can be used in various architectures (ring, chain, short or long chain, twisted or planar aromatic or heterocyclic or naphthenes containing N / S / X halogen / P, etc.) Reaction mechanism (electrophilic addition, nucleophilic substitution, carbon positive ion intermediates, etc.). Due to the large negative carbon power is not great, the number of hybrid tracks can be 2 to 4 and not too much. For silicon, because of the electronegativity is less than hydrogen, resulting in silane hydrogen bonds in the biased hydrogen to make it easy to break, so silane in the air can be spontaneous combustion (not to mention disilane and above) The formation of compounds (similar to the alkyl) between the basic and hydrogen is so unstable that other similar compounds are difficult to stabilize.
Q:Carbon compounds (except inorganic carbon compounds), hydrocarbons and derivatives of the general term is?
Organic matter
Q:How to distinguish between inorganic chemicals and organic chemicals
If the chemical can be dissolved in water, then it is likely that inorganic chemicals, because organic chemicals only a few substances such as ethanol and acetic acid can be dissolved in water. In addition, inorganic chemicals are mostly solid or aqueous solution, and organic chemicals are mostly liquid and odor.
Q:What is a derivative?
Derivative refers to a complex compound in the hydrogen atoms or atomic groups replaced by other atoms or atomic groups derived more complex products.
Q:The difference between carboxylic acid and ester
(H) R-COO-R ', R' must be a carbon atom-containing atom connected to an oxygen atom
Q:What is the current status of carbon dioxide capture technology and how is it compared to plants that absorb carbon dioxide?
I think it 's harder if the thing is to be industrialized. = Such as carbon dioxide hydrogenation into methane, after the methane transport or storage is also a relatively large problem bars And not to say that the hydrogenation of carbon dioxide into methane has been studied for a long time, but it does not seem to have developed any big news like ah There is also electrochemical reduction of carbon dioxide. It is relatively easy to produce formic acid in the aqueous phase, such as the Partially oxidized atomic cobalt oxide for carbon dioxide electroreduction to liquid fuel (Nature: Nature Publishing Group) recently made by Xie Yi. The But the separation of formic acid and water is also a more difficult thing ah. The
Q:What kind of carbohydrates?
Polysaccharides: starch, cellulose, agar, etc. Most food crops such as rice, wheat, corn, sorghum, potato, yam and so on are polysaccharides. Monosaccharides and disaccharides are not required in the body Digestive enzymes can be directly absorbed into the blood for the use of the body. Polysaccharides are required in the digestive enzyme under the action of decomposition into monosaccharides, disaccharides can be absorbed by the body after use.
Q:Which acid is strong for carboxylic acid and carbonic acid?
Carbonic acid actually measured PK1 = 6.36, which is weaker than the acidity of the monovalent aliphatic carboxylic acid, but this determination is based on the presence of water-soluble carbon dioxide in the form of H2CO3, but this is not true. In fact most of the CO2 Is in the form of a loose conjugate with water, so it should be corrected by the activity of H2CO3, thus obtaining PK1 = 3.7 for carbonic acid, which is stronger than the acidity of the monovalent aliphatic carboxylic acid.
Q:Will AsH3 (arsenic trioxide) is organic or inorganic
So the organic matter must contain the element is the C element

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