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 the difference between organic matter and inorganic matter?
Organic compounds in addition to a few, can generally burn. Compared with inorganic matter, their thermal stability is relatively poor, the electrolyte is easy to heat decomposition. The melting point of organic matter is low, generally not more than 400 ℃. The polarity of organic matter is very weak, so most of the water is not soluble. The reaction between organic matter, mostly intermolecular reactions, often requires a certain activation energy, so the reaction is slow, often requiring catalyst and other means. And the reaction of organic matter is more complex, under the same conditions, a compound can often be several different reactions at the same time, generate different products.
Q:Why the silicon hydride less, a lot of hydrocarbons.
You know silane bar, SiH4, this thing will be spontaneous, very unstable
Q:Commodity fine chemical industry is good or organic intermediates synthesis is better?
Organic intermediates, a wide variety, strict quality requirements, and perhaps some danger and injury,
Q:The functional group of the derivative of the hydrocarbon
Yes, the number of carbon after a certain, only to determine the nature of the functional group. This is also the reason for the name of the functional group
Q:The nature and use of cellulose derivatives
The basic rules of esterification and etherification of cellulose In the cellulose molecule, the position of the three hydroxyl groups in the glucose group is different, and the influence of the adjacent substituents and the spatial blocking effect are different. The relative acidity and dissociation of the three hydroxyl groups are: C> C> C When the etherification reaction is carried out in the alkaline medium, the C hydroxyl group first reacts, then the C hydroxyl group, and finally the C primary hydroxyl group. In the acidic medium for esterification reaction, the reaction of the hydroxyl reaction is difficult and etherification reaction in the opposite order. When reacted with a larger amount of substituted reagents, the spatial hindrance has an important effect, and the space hindering the smaller C hydroxyl groups is easier to react than C and C hydroxyl groups.
Q:Sodium can be used to identify derivatives of hydrocarbons
Sodium can identify hydrocarbon derivatives that are alcohol
Q:What are the oxygen consumption of the oxygen-containing derivatives of the mass hydrocarbons?
For this comparison, you can see the experimental formula of this material, a C corresponds to an oxygen, 4 H corresponds to an oxygen, the experimental consumption of oxygen up, then under the same quality conditions, the greater the oxygen consumption of this material
Q:Which acid is strong for carboxylic acid and carbonic acid?
carboxylic acid
Q:Who knows which organic intermediates are good?
Tianjin Chi Sheng Trading Co., Ltd. is a professional engaged in domestic and international sales of chemical products business, after years of development, the company's business involves medicine, petrochemical, lubricants, coatings, dyes and other industries. With a complete technical support and staffing, product market is vast, sold all over the country. The company's main organic intermediates, pharmaceutical intermediates, chemical solvents and chemical additives four categories of hundreds of varieties.
Q:The role of sugar in the human body?
Maintain the normal function of brain cells: carbohydrates is to maintain the normal function of the brain the only source of energy.When our body blood glucose concentration decreased, the brain tissue due to lack of energy to brain cell function damage, resulting in dysfunction, so we need to pay attention not to let the body Blood glucose concentration is too low.

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