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New Methods and New Processes for the Synthesis of DMAC

US DuPont patented technology In patent US3300531, DuPont introduced the process of producing N, N-dimethylacetamide from acetic acid and dimethylamine. This process adopts special reaction device and process flow, in order to avoid reverse mixing of reactants, using the reactor length tube with length ratio greater than 500:1, using two distillation towers to separate the refined products, to solve the

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New Market Analysis of PTA

Pure terephthalic acid is an organic compound and the most productive dicarboxylic acid. Its chemical formula is C8H6O4, molecular weight is 166.13. It is also called terephthalic acid, or PTA. PTA is flammable, soluble in alkaline solution, slightly soluble in hot ethanol, insoluble in water, ether, glacial acetic acid and chloroform. PTA is crystal and powder at normal temperature. It

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What are the New Contraindications of Prednisone?

I believe everyone has used a drug called prednisone when allergic, prednisone anti-inflammatory and anti-allergic effect is strong, then do you know what are the contraindications of taking prednisone? The following is the related content of the contraindications of taking prednisone for you, I hope it will be useful to you! 1.Medication during pregnancy Glucocorticoids can cross the placenta. Animal studies

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What is the Chlormequat Chloride?

Chlormequat chloride is a kind of plant growth regulator of quaternary ammonium salt. CAS number 999-81-5 ,The chemical formula C5H13Cl2N. Appearance of white crystal, fishy odor, easy delixing, soluble in water, soluble in propyl alcohol. It is stable in neutral or slightly acidic medium and decomposed by heat in alkaline medium. chlormequat chloride is an excellent plant growth regulator, can be used

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Synthesis Technique of Dimethylacetamide

DMAC is a fine chemical product, the production is relatively small, the annual production of hundreds of thousands of tons. However, from the perspective of the application development of DMAC and the future market demand, the advantages of DMAC will be more and more prominent, and the use will be more and more. The demand for DMacs will grow. At

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Overview of Dimethylacetamide

Dimethylacetamide Properties Dimethylacetamide is N, N-dimethylacetamide (abbreviated as DMAC or DMA), also known as acetyldimethylamine, dimethylamine acetate. Dimethylacetamide is a representative amide solvent, and commonly known as “solvent king” N, N-dimethylformamide mutual homolog, known as the universal solvent. Dimethylacetamide for use (1)DMAC has a strong solubility, a wide range of dissolved substances, for organic solvents such as benzene, aromatic compounds, esters,

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New Function and Preparation of Diflubenzuron

Diflubenzuron is a white to yellowish crystalline solid with a melting point of 210-230°C (decomposition) and a vapor pressure of <0.013 millipascals. It is insoluble in water but slightly soluble in most organic solvents. As a urea insecticide, it exhibits stomach poison and contact killing effects without systemic activity. Its aqueous solution is effective against various leaf-eating larvae and concealed

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Can diflubenzuron be compounded with those pesticides?

Diflubenzuron, a new insecticide, exhibits stomach poison effects on the larvae of many important pests. It interferes with cuticle deposition, preventing insects from undergoing normal molting or metamorphosis, leading to their death. It can also inhibit the formation of the cuticle during embryo development inside insect eggs, resulting in abnormal development and hatching. Additionally, it has a certain inhibitory effect

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What Are the New Side Effects of Taking Prednisone?

I believe that everyone has used a drug called prednisone when allergic, prednisone anti-inflammatory and anti-allergic effect is strong, then you know what are the side effects of taking prednisone? The following is the related content of the side effects of taking prednisone for you, I hope it will be useful to you! There was no obvious adverse reaction in the

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Do you know what is diflubenzuron?

Diflubenzuron appears as white crystalline pure substance and as white to yellow crystalline powder in its original form. It is insoluble in water and poorly soluble in most organic solvents. It is relatively stable to light and heat but readily decomposes in alkaline conditions. It remains stable in acidic and neutral media. Diflubenzuron exhibits significant toxicity to arthropods and silkworms

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