Acetic Acid

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EapearlChem

Anhui, China

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Method of Preparation
Industrial acetic acid was mixed with potassium permanganate and allowed to dissolve. In a distillation column, the acetic acid was removed by distillation. After adding the proper amount of chromic anhydride to dissolve it, the upper layer's semen was distilled. Glacial acetic acid is the intermediate fraction, to be exact.

                                                            Molecular Formula
                                                            C2H4O2
                                                        
                                                            Vapor Presure
                                                            11.4 mm Hg ( 20 °C)
                                                        
                                                            Molar Mass
                                                            60.05
                                                        
                                                            Density
                                                            1.049 g/mL at 25 °C(lit.)
                                                        
                                                            Melting Point
                                                            16.2°C(lit.)
                                                        
                                                            Boling Point
                                                            117-118 °C(lit.)
                                                        
                                                            Flash Point
                                                            104°F JECFA
                                                        
                                                            Number
                                                            81
                                                        
                                                            Water Solubility
                                                            miscible
                                                        
                                                            Solubility
                                                            alcohol: miscible(lit.)
                                                        
                                                            Vapor Density
                                                            2.07 (vs air)
                                                        
                                                            Appearance
                                                            Solution
                                                        
                                                            Specific Gravity
                                                            1.0492 (20℃)
                                                        
                                                            Exposure Limit
                                                            TLV-TWA 10 ppm ～25 mg/m3) (ACGIH,OSHA, and MSHA); TLV-STEL 15 ppm(37.5 mg/m3) (ACGIH).
                                                        
                                                            Color
                                                            colorless
                                                        
                                                            Odor
                                                            Strong, pungent, vinegar-like odor detectable at 0.2 to 1.0 ppm
                                                        
                                                            Maximum wavelength(λmax)
                                                            [‘λ: 260 nm Amax: 0.05’, , ‘λ: 270 nm Amax: 0.02’, , ‘λ: 300 nm Amax: 0.01’, , ‘λ: 50
                                                        
                                                            Merck
                                                            14,55
                                                        
                                                            BRN
                                                            506007
                                                        
                                                            pKa
                                                            4.74(at 25℃)
                                                        
                                                            PH
                                                            3.91(1 mM solution);3.39(10 mM solution);2.88(100 mM solution);
                                                        
                                                            Storage Condition
                                                            Store below +30°C.
                                                        
                                                            Explosive Limit
                                                            4-19.9%(V)
                                                        
                                                            Refractive Index
                                                            n20/D 1.371(lit.)

Applications of Acetic Acid
In vinegar, acetic acid is present. It is created when wood is destructively distilled. It is widely utilized in the chemical sector. It is employed in the production of cellulose acetate, acetate rayon, and other acetate and acetyl compounds. It is also utilized in organic synthesis, as a food preservative in printing and dyeing, and as a solvent for gums, oils, and resins. When diluted with water, glacial acetic acid, an acidulant, is a clear, colorless liquid with an acidic flavor. It has a purity of 99.5% or more and crystallizes at 17°C. To add the necessary acetic acid, it is diluted and added to salad dressings. It has three uses: flavoring ingredient, acidulant, and preservative. Another name for it is glacial acetic acid.
Another name for it is glacial acetic acid. In the chemical industry, acetic acid is used as table vinegar, a preservative, and an intermediary in products including medicines, softening agents, acetate fibers, acetonitrile, and dyes (indigo), among others. Product Specification Sheet Acid-base titrations, both aqueous and non-aqueous, employ it. production of rubber, cellulose acetate, acetate rayon, acetyl compounds, plastics, and tanning; as laundry sour; in silk dyeing and calico printing; as food acidulant and preservative; as solvent for gums, resins, volatile oils, and numerous other materials. extensively employed in industrial organic synthesis. medicinal assistance (acidifier). Acetic acid is a crucial industrial chemical because it reacts with substances that contain hydroxyl, particularly alcohols, to produce acetate esters. Vinyl acetate is the outcome of the greatest use of acetic acid. The interaction between acetylene and acetic acid can result in vinyl acetate. It is also composed of acetic acid and ethylene. Polyvinyl acetate (PVA) is created through the polymerization of vinyl acetate, and it is used to make latex paints, films, fibers, and adhesives. Reacting cellulose with acetic acid and acetic anhydride in the presence of sulfuric acid yields cellulose acetate, which is used in textiles and photographic film. There are several uses for other acetic acid esters, like propyl and ethyl acetate. The plastic polyethylene terephthalate (PET) is made with acetic acid. Pharmaceuticals are made using acetic acid.
Make use ofmostly utilized in the synthesis of ethyl acetate, culinary and wine spices, vinyl acetate, acetic acid esters, metal acetate, chloroacetic acid, cellulose acetate, and as solvents, lotions, and analytical reagents

Characteristics, both physical and chemical: