Dodecanedioic Acid CAS 693-23-2
Factory Supply Dodecanedioic Acid CAS 693-23-2 with Best Price
- Appearance: White powder
- Purity: 99. 0%min
- Stock: In stock
- Sample: Available
- Zhishang Chemical: Dodecanedioic Acid Supplier & Manufacturer
Dodecanedioic Acid: The Complete Guide
Dodecanedioic Acid for Sale
|Chemical Name:||Dodecanedioic Acid|
|Other Name:||1,10-Decanedicarboxylic acid|
|Type:||Pharmaceutical, pesticide, dye intermediates; Pharmaceutical raw materials; Organic raw materials|
What is Dodecanedioic Acid?
Dodecanedioic acid is also known as lauric acid. It is an industrial product developed earlier among long-chain dibasic acids. It is mainly used in the synthesis of polymer materials, spices, medicines, etc. Among them, it is one of the most important uses to synthesize long carbon chain nylon (also known as polyamide resin) engineering plastics through polycondensation reaction between polycondensation monomer and diamine.
Cyclohexane reacts with hydrogen peroxide in methanol to generate cyclohexyl peroxide, and then catalyzes ring opening and dimerization to obtain dimethyl dodecanedioate. After refining, it saponifies to obtain dodecanedioic acid.
Dodecanedioic Acid Uses
- Dodecanedioic acid is also used as metal precipitant, saturated polyester modifier, powder coating and synthetic raw material of macrocyclic musk.
- The product can be condensed with hexamethylenediamine to produce engineering plastic nylon 6-12; the diester formed with alcohols such as octanol and butanol can be used as an extender for polyvinyl chloride, cellulose nitrate and cellulose acetate. Plasticizers, diesters synthesized with octanol are also used as high-grade lubricating oils for jet engines and gas turbines, or base oils for low-temperature greases; dodecanedioic acid can also be used as modifiers for saturated polyesters, metal precipitation Agents and spices, raw materials for special polyurethane.
- Dodecanedioic acid is mainly used in polyamide high-grade engineering plastics, long carbon chain nylon and its products, and is the main raw material for the production of nylon 1212, nylon 612 and nylon 1012. The ester derivatives formed by esterification with alcohols, such as dioctyl dodecanedioate and dibutyl dodecanedioate, can be used as plasticizers for polyvinyl chloride, cellulose acetate, and cellulose nitrate. Moreover, dioctyl esters can also be used as high-grade lubricating oils for jet engines and gas turbines, or base stocks for low-temperature greases.
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Application of Dodecanedioic Acid
DDDA is used in preservatives, high-end coatings, paint materials, corrosion inhibitors, surfactants, and polymers. It is one of two precursors of engineering plastic nylon 612. The commercial nylon, once known as Qiana, was produced on a large scale using DDDA.
In patients with type 2 diabetes, DDDA proves that intravenous infusion can help maintain normal blood glucose and energy levels without increasing blood glucose load in this process.
Preparation of Dodecanedioic Acid
Add 400kg of ordinary dodecanedioic acid and 3kg of coconut shell activated carbon to 1000L90wt.% edible alcohol, make slurry in a 2m3 glass-lined decolorization kettle, heat up to 65°C, press filter with a 30m2 box-type underflow plate, and filter the filtrate through a precision filter Go to the crystallization tank, cool down to crystallize, cool down to 25°C, centrifuge, put the centrifuge into a clean glass-lined low-temperature washing tank, add 200L95wt.%, 15°C alcohol, stir evenly, centrifuge twice, put the centrifuge into the double cone Dry in a vacuum dryer, control the material temperature at 45°C±1°C, vacuum degree -0.085～-0.10MPa, dry until the moisture content is lower than 0.1wt.%, and finish drying to obtain 328kg of refined acid. Gas chromatographic determination of product single acid content 99.17wt.%, neutralization titration determination of total acid content 99.5wt.%, ester content was not detected, mother liquor and drying recovery alcohol distillation process with 30% liquid caustic soda to control the pH The value is 12, 1180L of alcohol is obtained by distillation, and the alcohol content is 92wt.%. Alcohol rectification of high boilers to produce mixed acids yielded 63.5kg of mixed acids with a total acid content of 98.5wt.%, a dodecanedioic acid content (gas chromatography) of 90.26wt.%, and a water content of 0.35wt.%.
- Dodecanedioic acid – WikiPedia
- [Chinese invention, Chinese invention authorized] CN201410830623.1 Purification method of dodecanedioic acid
Dodecanedioic Acid Supplier and Manufacturer
As a dodecanedioic acid supplier and manufacturer with a strict standard product quality system certificate, Zhishang Chemical has long been providing the best dodecanedioic acid raw materials to customers all over the world.
Over the years, relying on professional team experience and customer-centric team concept to meet customer needs in a timely manner, our company enjoys a high reputation in the world. At present, our company has served more than 6,000 customers and has established long-term cooperative relations with customers from many countries.
If you have a demand for dodecanedioic acid and related products, please contact our service staff Zhishang Chemical – White directly, and we will provide you with high-quality products at the best price.
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