Stearic Acid 200/400/800 For Plastic/Cosmetic/Rubber/ Industry

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Tianjin
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TT OR LC
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Supply Capability:
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:Why artemisinin and its derivatives in the molecular structure of a peroxide chain, the chemical properties are more stable?
Stable, then it will not be 60 degrees that is broken down, there is no need for rectal administration ... ...
Q:1. What are liquid hydrocarbons?
Pentane, g, x, n, decane, to eleven to hexadecane are liquid hydrocarbons. Ethanol is not a hydrocarbon, it is aerobic. Polymeric material is a compound of relatively high molecular weight Composition of the material, there are many, such as rubber, plastic, fiber, paint
Q:What happens to the neutralization reaction?
The neutralization reaction takes place with the hydrogen and hydroxide groups of the acid and base. The carboxylic acid group contains hydrogen ions to react with the hydroxide.
Q:The nature and use of cellulose derivatives
By replacing the reagent selection and process design, the product can be dissolved in water, dilute alkali solution or organic solvent, or have thermoplastic properties such as chemical fiber, film, film, plastic, insulating material, coating, slurry , Polymeric dispersants, food additives and household chemical products. The nature of the cellulose derivative and the nature of the substituent, the degree of substitution of the three hydroxyl groups on the glucose group, and the distribution of the substituents along the macromolecular chain. Due to the randomness of the reaction, the following three substitutions are different in other cases (homogeneous or heterogeneous reactions) except that the three hydroxyl groups are substituted (DS = 3) And non-substituted glucose groups: (1) monosubstituted (DS is 1, C, C or C position is substituted, the structural formula see cellulose); ② disubstituted (DS is 2, C, C, C, C Or C, C position is replaced); ③ total substitution (DS is 3). Thus, the properties of the same cellulose derivative having the same substitution value may also be quite different. For example, the cellulose diacetate which is directly esterified to DS of 2 is insoluble in acetone, but the cellulose diacetate obtained by saponification of the fully esterified cellulose triacetate can be completely dissolved in acetone. The irreducibility of this substitution is related to the basic rule of cellulose ester and etherification.
Q:High school chemistry: Is the esterification reaction of carboxylic acid and alcohol a polymerization reaction?
No, the polymerization reaction is the reaction of the polymer, the esterification reaction is the reaction of the formation of small molecules
Q:Simply talk about hydrocarbons
Hydrocarbon is a hydrocarbon compound. The organic compound consisting only of carbon and hydrogen is called a hydrocarbon and a hydrocarbon, which reacts with chlorine, bromine vapor, oxygen, etc. to produce a hydrocarbon derivative, Hydrocarbons (and benzene) do not react with strong acids, strong bases, strong oxidants (eg potassium permanganate), but unsaturated hydrocarbons (olefins, alkynes, benzene homologues) can be oxidized or react with hydrogen halide The
Q:Organic intermediates in the synthesis, what is the chemical choice
Choose the first reaction that is easy to react quickly
Q:Storage of organic chemicals in the warehouse, ventilation requirements
Dangerous chemicals every time out of danger before the warehouse, dangerous warehouse should first open the fan, keep ventilated to avoid the concentration of flammable and explosive gases in the air is too high;
Q:The difference between carboxylic acid and ester
Esters can be hydrolyzed to form carboxylic acids and alcohols,
Q:The main role of sugar?
Carbohydrates as an important body of nutrients, mainly divided into four categories: monosaccharides, disaccharides, oligosaccharides and polysaccharides.

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