Stearic Acid SA1840

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 8000MT/month m.t./month

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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.

Stearic Acid SA1840

Q:What are the gaseous states of the oxygen-containing derivatives of the hydrocarbons under the standard conditions?: Hydrocarbon derivatives of oxygen in the standard conditions are gaseous formaldehyde.

Q:The role of sugar in the human body?: Toxicity: Carbohydrate is the main source of heat, each carbohydrate can provide 4 kcal of calories. Carbohydrates in the exercise after oxidation, the final product for the carbon dioxide and water, the body without any harm. The brain needs glucose As the only energy source, if the blood glucose levels decline, there will be low blood sugar, the brain adversely affected.

Q:The difference between carboxylic acid and ester: When the problem is deduced, the carboxylic acid reacts with the base to form the carboxylate and water, and the ester reacts with the base to form the carboxylate and the alcohol

Q:What is the most primitive person on earth?: These macromolecules are not in the modern sense of the protein and nucleic acid polymer, but a variety of amino acids, nucleosides, phosphoric acid, carbohydrates and some other small molecules of the disorder of the polymer, when the nucleoside and phosphoric acid composition of nucleoside Acid, and gradually form a nucleotide chain, the formation of these nucleotide chain of the amino acid on the formation of the field of binding force, and then assembled peptide chain. Or by the combination of a variety of amino acids into peptide chain formed by the force field on the surrounding nucleus formation field binding effect, and then assembled the nucleotide chain, with the formation of peptide chain and nucleotide chain longer and longer , The molecular weight is growing, and ultimately the formation of nucleic acids and proteins, nucleic acid and protein formation is the product of interaction with each other, is generated at the same time.

Q:How to distinguish between inorganic chemicals and organic chemicals: There is no absolute boundary between the organic compound and the inorganic compound. Organic chemistry has become an independent discipline in chemistry because organic compounds do have their inherent relationships and characteristics.

Q:Is the plexiglass intermediate?: Acrylic acid and its ester polymerization of the polymer obtained collectively referred to as acrylic resin, the corresponding plastic collectively referred to as polyacrylic plastic, in which the most widely used polymethyl methacrylate. Poly methyl methacrylate abbreviation for the PMMA , Commonly known as plexiglass, is so far the most transparent synthetic material quality.

Q:What is the meaning of organic ah, organic food on the human body what practical benefits: Food point of view of organic: from planting to harvest, and then to storage, transport so that consumers in the hands, without chemical fertilizers, chemical processing, genetic technology and other food raw materials. In general, organic represents high quality and natural. But the Chinese market is not very close, so the choice of time to pay attention.

Q:What is the isomeric structure of oxygen-containing derivatives?: Play the Transformers. As long as the same molecular formula, you can group out how many different structures, there are a number of isomers.

Q:Is fatty acid and carboxylic acid the same thing?: In contrast, aromatic acids refer to carboxylic acids with benzene rings

Q:What are the most stable carboxylic acid derivatives?: In addition to acid halide are more stable, which ester and amide stability is stronger

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