Pyromellitic Dianhydride (PMDA) is a critical aromatic dianhydride widely used in high-performance polymers, surface treatments, electrical insulation materials, and various special chemicals. As one of the most significant monomers in the field of polyimides, PMDA has influenced the development of modern electronics, aerospace engineering, high-temperature materials, and advanced coatings. From a chemical-engineering perspective, its importance […]

N-Tallowalkyl-1，3-diaminopropane (CAS: 61791-55-7) is an organic compound belonging to the family of fatty amines. It is a versatile chemical intermediate with various applications in the fields of surfactants, detergents, corrosion inhibitors, and functional additives for polymers and coatings. The molecular structure of N-Tallowalkyl-1，3-diaminopropane consists of a tallow fatty acid chain attached to a diamine group,

Introduction to N-Oleyl-1，3-propanediamine N-Oleyl-1，3-propanediamine (CAS: 7173-62-8) is a long-chain diamine compound that belongs to the class of amines derived from oleic acid, a widely known unsaturated fatty acid. This compound has gained significant attention in industrial applications due to its amphiphilic nature, making it an effective ingredient in surfactants, corrosion inhibitors, emulsifiers, and various other

1. Introduction to Tallow amine ethoxylate Tallow Amine Ethoxylate (TAE) is a widely used nonionic or partially cationic surfactant derived from the ethoxylation of tallow-based fatty amines. The feedstock originates primarily from natural animal fats, although fully synthetic analogs are also available. Its chemical structure typically consists of a long hydrophobic alkyl chain—mainly C16–C18—from tallow

Introduction to Tridecanedioic Acid Tridecanedioic acid, also known as Brassylic acid, is a saturated, dicarboxylic acid with the chemical formula C13H24O4. It features a chain of 13 carbon atoms with carboxyl groups (-COOH) at both ends. The compound is recognized by its CAS number 505-52-2 and has a variety of industrial applications due to its

1. Introduction to 2-Hydroxy-4-Methoxy Benzophenone-5-Sulphonic acid 2-Hydroxy-4-Methoxy Benzophenone-5-Sulphonic Acid (commonly marketed as UV-284 or BP-4) is a water-soluble, sulphonated benzophenone derivative widely used as an ultraviolet (UV) absorber. The compound belongs to the benzophenone family, a group of aromatic ketones that exhibit strong UV-absorbing capabilities due to their conjugated π-electron systems and excited-state intramolecular proton

1. Introduction to Ascorbic Acid Ascorbic acid, more commonly known as vitamin C, is a six-carbon lactone with strong reducing capability and essential biological function in humans. It is widely used in the food, pharmaceutical, nutraceutical, cosmetic, and chemical industries. The global market demand for ascorbic acid continues to grow due to its role as

1. Introduction to Spirulina powder Spirulina powder, often referenced under CAS number 724424-92-4, is a processed form of biomass derived primarily from Arthrospira platensis and Arthrospira maxima, filamentous cyanobacteria cultivated globally as nutrient-dense microalgae. While commonly recognized as a dietary supplement, spirulina is increasingly considered an industrially relevant biochemical feedstock due to its exceptional macromolecular

Introduction to Propylparaben: Propylparaben, also known as Propyl parahydroxybenzoate, is a widely used chemical compound with the molecular formula C10H12O3 and CAS number 94-13-3. It belongs to the family of paraben compounds, which are esters of p-hydroxybenzoic acid. Parabens, including propylparaben, are extensively utilized as preservatives in cosmetics, pharmaceuticals, and food products. Their primary function

Diphenyl(2，4，6-trimethylbenzoyl)phosphine oxide, often abbreviated as TPO, is an important organophosphorus compound widely used as a photoinitiator in UV-curable systems. With the chemical formula C22H21O2P, TPO serves as a catalyst that accelerates the polymerization process when exposed to ultraviolet (UV) light. This compound is highly valued in industries such as coatings, printing, dental, and 3D printing