Stearic Acid SA1840

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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:Alcohols and carboxylic acids in the hydroxyl group, the oxygen atoms are sp3 hybrid or sp2 hybrid
In the carbonyl R-COOH carbon, one of the O can only form a double bond with C, that is, a sigma bond and a Pi bond, and also with R and OH each form a sigma key, a total of four keys, C on the most The outer layer and no electrons to form solitary electrons. According to the principle of hybrid, because there are only three sigma, need to participate in the hybrid track can only be three, that is, sp2 hybrid.
Q:Why can organic matter be unique in chemical substances? What is the nature of the C atom?
To give a reason, the current production of more economical temperature control is limited.
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:Ionic compounds, covalent compounds, electrolytes, non-electrolytes, which are both compounds and inorganic compounds
An electrolyte is a compound capable of being conductive in an aqueous solution or in a molten state, such as an acid, a base and a salt. Those compounds that can not be electrically conductive in the above cases are non-electrolytes such as sucrose, alcohol and the like.
Q:Can the carboxylic acid react with sodium?
can
Q:Organic intermediates in the synthesis, what is the chemical choice
Choose the first reaction that is easy to react quickly
Q:What does organic mean?
Chemical point of view, organic is organic matter, mainly by the carbon atoms and hydrocarbons derivatives.
Q:The main role of sugar?
The energy of life
Q:Is the carboxylic acid derivative and the substituted carboxylic acid the same concept?
Carboxylic acid derivatives mainly include: 1. Esters 2. Acyl halides such as acetyl chloride: CH3-COCl3. Acids such as acetic anhydride: (CH3CO) 2O4. Amides such as acetamide: CH3CONH2
Q:Derivatives of vinyl acetate
Vinyl acetate can produce reactions that occur most of the olefins or esters. Such as the addition of bromine to form dibromide, the addition of hydrogen halide to produce vinyl haloacetate, which is the only way to produce the substance because there is no corresponding halohydrin. The addition of acetic acid under palladium catalysis can produce ethylene diacetate and CH3CH (OAc) 2. The latter can undergo a transesterification reaction with many carboxylic acids. As an alkene, vinyl acetate can also undergo a Diels-Alder reaction and a 2 + 2 ring addition

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