Beilstein/REAXYS Number 1209788 . Articles of ADIPIC ACID DIVINYL ESTER … EC Number 204-673-3. Chemsrc provides Adipic acid(CAS#:124-04-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. This video explains synthesis of Adipic Acid by Conventional and Greener Route. PEA has been studied as it is biodegradable through a variety of mechanisms and also fairly inexpensive compared to other polymers. Hazardous to the aquatic environment (acute / short-term) Reason for no classification: data conclusive but not sufficient for classification Hazardous to the aquatic environment (long-term) Persistence and degradability Adipic Acid (ADIPC) (124-04-9) Persistence and degradability Not established. The experiments were conducted at temperatures from 313.2 K to 343.2 K and the molar ratios of feed (methanol to acid) at 15 and 20. It is used as a starting raw material for polyamide 6.6, among other products. Adipic Acid. In an acute inhalation test neither mortality nor symptoms were observed during and after 4 hour exposure to 7700 mg/m3 of adipic acid. It is also called hexanedioic acid. Adipic acid or Hexanedioic acid is an alpha,omega-dicarboxylic acid that is the 1,4-dicarboxy derivative of butane. Previously we have shown the use of HI and molecular H2 to be an effective combination for the selective ring-opening of tetrahydrofuran-2,5-dicarboxylic acid (THFDCA) in organic acids without the need for a metal catalyst. Benzene is hydrogenated using Ni-Al 2 O 3 catalyst at 370–800 psi to cyclohexane. Linear Formula HOOC(CH 2) 4 COOH . Adipic Acid. density of adipic acid, powder is equal to 1 360 kg/m³; at 25°C (77°F or 298.15K) at standard atmospheric pressure.In Imperial or US customary measurement system, the density is equal to 84.9 pound per cubic foot [lb/ft³], or 0.786 ounce per cubic inch [oz/inch³] . It occurs relatively rarely in nature. 17. In turn, adipic acid can be obtained from glucaric or muconic acid (Polen et al., 2013). Adipic acid, powder weighs 1.36 gram per cubic centimeter or 1 360 kilogram per cubic meter, i.e. DMT and 1,4-butanediol are also reacted to form their polyester (plus methanol ). - Find MSDS or SDS, a COA, data sheets and more information. Adipic acid and 1,4-butanediol are polymerized to create their polyester (plus water). This is oxidized using Co catalyst to a mixture of cyclohexanone and cyclohexanol. The production of nylon comes from a reaction with hexamethylene diamine, also supplied by Parchem.. Adipic acid can also be found in the production of foods as a flavoring agent to add tartness.. Adipic acid certified reference material, TraceCERT ® Synonym: Hexanedioic acid CAS Number 124-04-9. They react in this way with all bases, both organic (for example, the amines) and inorganic. COMPOSITION. TECHNICAL DATA. MDL number MFCD00004420 Currently, about 94% of the production processes are based on … Adipic acid, or hexanedioic acid, is an important industrial commodity. The kinetic behavior of heterogeneous esterification of adipic acid with methanol over acidic cation-exchange resin beads, Amberlyst 35, was investigated through a packed-bed reactor. Bring your solvent product mixture to a boil on your hot plate at your bench. There are several commercial routes for adipic acid production, all of them based on petroleum-derived feedstocks (cyclohexane, cyclohexene, cyclohexanol and cyclohexanone). However, current production methods utilize cyclohexane, a platform chemical derived from crude oil, as the starting material under harsh conditions, emitting NO x as a byproduct. As shown in the Procedure, we will use 2 mL. Carboxylic acids donate hydrogen ions if a base is present to accept them. Adipic acid (AA) is an important precursor for the production of Nylon-66, and renewable routes for AA are being explored. Its lower molecular weight compared to many polymers aids in its biodegradability. The reaction rate was found to increase with increasing temperature, … Adipic acid was not carcinogenic in a limited two-years feeding study where male rats were fed with up to 5 % (3750 mg/kg bw/day) adipic acid and female rats with 1 % (750 mg/kg bw/day). CAS 124-04-9, pH 2.7 (24.9 g/l, H₂O, 25 °C). This polyester is then added to the butylene adipic acid polyester by using tetrabutoxytitanium (TBOT) as a transesterification catalyst; an overabundance of 1,4-butanediol influences chain lengths. CAS Number: 124-04-9 Formula Weight: 146.14 Formula: HO 2 C(CH 2) 4 CO 2 H Density (g/mL): 1.34 Boiling Point (°C): 377 Freezing Point (°C): 152 Solubility: Acetone and Alcohol Synonyms: Hexanedioic Acid Shelf Life (months): 12 Storage: Green. Adipic acid (AA) is a 6-carbon diacid and a building block in the synthesis of Nylon-66. APPEARANCE. 3. It is an emulsifier for Drilling Muds and Fluids as well. Chemicals for Science Education. Traditional feedstock for the synthesis of adipic acid is benzene. Linear Formula HOOC(CH 2) 4 COOH . Recrystallize your crude product by placing it in a clean 100 mL beaker and adding 20 . Bioaccumulative potential Adipic acid for synthesis. This is oxidized using Co catalyst to a mixture of cyclohexanone and cyclohexanol. The oral and dermal LD50 in rats are > 5000 mg/kg bw. You will be provided with cyclohexene. It is most commonly synthesized from a polycondensation reaction between ethylene glycol and adipic acid. Adipic acid is a white crystalline solid with CAS number 124-04-9. 16. - Find MSDS or SDS, a COA, data sheets and more information. 2,5-Thiophendicarboxylic acid (TFDCA) is an interesting biobased building block for the preparation of biobased polymers. PRODUCT DESCRIPTION. ADIPIC ACID is a carboxylic acid. Adipic Acid (124-04-9) EC50 Daphnia 1 85.7 mg/l (Exposure time: 48 h - Species: Daphnia magna) EC50 72h algae [mg/l] 1 31.3 mg/l (Species: Desmodesmus subspicatus) Log Pow 0.081 (at 25 °C) 12.2. eCl@ss 39021711 . No efficient natural producer of adipic acid has yet been identified, but several approaches for pathway engineering have been established. Beilstein/REAXYS Number 1209788 . Adipic Acid. The storage should respect certain conditions: Protected from humidity and bad weather conditions Stored a well-ventilated area Away from any source of heat and ignition. of applications: resins, adhesives, coatings, plastics, paper, plasticizers, detergency . Adipic acid (AA) CAS-No 124-04-9 . RHODIACID AA - ADIPIC ACID Revision Date 28.02.2020 PRCO90076334 Version : 3.00 / GB ( EN ) 1 / 37 SECTION 1: Identification of the substance/mixture and of the company/undertaking 1.1 Product identifier - Trade name RHODIACID AA - ADIPIC ACID - Index-No. mL of a 50% Ethanol-water mixture. Density (solid at 25°C) Density (liquid at 165°C) pH (2.5% wt in water at 25°C) Specifi cations: Total nitrogen (as nitric acid) Ashes Colour (methanolic solution) Melt colour Iron Crystallization point Water Assay Units Value Analysis method ppm 20 max MA0065 ppm 5 max MA0064 HAZEN 5 max MA0051 APHA 10 max MA0067 ppm 0.2 max MA0226 °C 152 ± 0.5 MA0069 % 0.2 max MA0052 % 99.8 min … MDL number MFCD00004420. It is used mainly in the production of nylon. TFDCA is produced industrially from the reaction of adipic acid with thionyl chloride (Zhi et al., 2014; Yang et al., 2014). 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