1 Introduction 1, 3-propylene glycol, English abbreviation 1,3-PDO, is a colorless, odorless viscous liquid, soluble in water, alcohol, ether and other organic solvents, mainly used in the synthesis of plasticizers, detergents, preservatives, emulsifiers, but also used in food, cosmetics and pharmaceutical industries, its most important use is as a polymer monomer synthesis of excellent polymer materials. 1, 3-propylene glycol can also be used to prepare other saturated polyesters, such as polypropylene glycol naphthalate (PTN) and copolyesters; In addition, it is an important monomer raw material for manufacturing a new polyester fiber with excellent performance, polypropylene terephthalate (PTT), which can replace ethylene glycol and butanediol to produce polyol polyester. Compared with PET(polyethylene terephthalate) and PBT(polybutylene terephthalate), PTT has better performance, both the high performance of PET and the ease of processing of PBT, and has broad application prospects, and is currently a hot spot in the development of new varieties of…

1, 3-propylene glycol (PDO) has received widespread attention due to its important application in many downstream consumer markets and the resulting growth in market demand. In 2022, the market attention of PDO has increased, which is closely related to its application in areas such as PTT polyester. As a new type of polyester material, PTT polyester has been widely used in the fields of decorative materials, textile fibers, clothing, engineering plastics and films, and is known as a new type of polyester fiber in the 21st century because of its soft, elastic, dirt resistance and other characteristics. With the increase of commercial application of PTT, the global market size is expected to continue to grow, thus driving the demand for this key monomer PDO.In addition, PDO, as an important chemical, is also widely used in pharmaceutical, cosmetic and polymer industries. In these fields, PDO plays an irreplaceable role as a…

Propylene glycol is a colorless viscous stable water-absorbing liquid, almost tasteless, odorless, flammable, and low toxic. It is miscible with water, ethanol and various organic solvents. Boiling point 187.3℃. Melting point -60℃. The relative density is 1.0381. Refractive index 1.4326. Surface tension (20℃)38mNm. Viscosity (20℃)60.5mPa-s. Specific heat capacity (20℃)2.49kj/(kg. ° C). Heat of vaporization (101.3kPa)7Ukj/kg. Heat of combustion (25℃)1824.OkJ/mol. Flash point (open cup) 99℃. Spontaneous ignition point 415.5℃. Critical temperature 352℃. Critical pressure 6.lMPa.Propylene glycol is a commonly used chemical, mainly used in the manufacture of cosmetics, food, medicine and other products. Its function is as a solvent, regulator, antifreeze and so on. The role of propylene glycol can be divided into the following aspects:1. Solvent: Propylene glycol can be used as a good solvent, can dissolve many organic and inorganic substances, often used in cosmetics, drugs and so on as a solvent.2. Regulator: Propylene glycol can be used as…

English synonym Methylpropanediol(MPDiol); 2 – Methyl – 1, 3 – propanediol99%; 1, 3 – DIHYDROXY – 2 – METHYLPROPANE; 2 – METHYL – PROPAN – 1, 3 – DIOL. 2 – METHYL – 1, 3 – PROPANEDIOL. 2-methyl-3-propanediol; 3-Propanediol,2-methyl-1; MPdiolglycol CAS number 2163-42-0 Molecular formula C4H10O2 Molecular weight 90.12 EINECS number 412-350-5 Related category General reagent; Alcohol; Organic block; Chemical raw materials; Organic chemical raw materials; Alcohols; Alcohols; Monomers; PolymerScience; application field saresyn the ticleather pulp,polyurethanecoating; Chemical materials; Chemical intermediates; Chemical raw materials – catalysts; Organic chemical raw materials; Organic chemical industry; Methyl propylene glycol; Chemical product Mol File 2163-42-0.mol Product name: Methylpropylene glycol MPO English name: 2-Methyl-1, 3-propanediol Common alias: 2-methyl-1, 3-propylene glycol methyl propylene glycol Main composition and chemical structure: CAS number: 2163-42-0 Molecular formula: C4H10O2 Molecular weight: 90.121 【 Technical index 】 Physicochemical index item Boiling point 124℃ Density 1.015g/cm3 Melting point -91℃ Flash point 127 °…

2 methyl 13 propylene glycol… (MPO).. It is an important organic compound and has a wide range of applications. This article covers several aspects of MPO usage. 1. Medical field MPO is a commonly used drug intermediate that can be used to synthesize a variety of drugs. For example, MPO can be used to synthesize antibiotics, anti-cancer drugs, antiviral drugs, etc. The method of synthesis is usually through the chemical modification of MPO, introducing different functional groups, thus giving the drug different activity and efficacy. The wide application of MPO in the field of medicine has provided people with more options to treat diseases. 2. Cosmetics MPO can also be used in the production of cosmetics. Because MPO has good solubility and stability, it can be added to cosmetics as an emulsifier, stabilizer and preservative. The application of MPO can improve the texture and stability of cosmetics, enhance its use…

2-methyl-1, 3-propanediol, also known as neopentyl glycol, has the formula C5H12O2. The following is an introduction to its nature, use, manufacturing and safety information: Nature: 2-methyl-1, 3-propylene glycol is a colorless to yellowish liquid with a sweet taste. It is soluble in water, alcohol and ether solvents. This compound has a melting point of -24°C and a boiling point of 214°C. Use of 2-methyl-1, 3-propylene glycol: Used in polyester resin, coatings and other industries, but also used in plastic additives, pesticides, fungicides. It is used as solvent, moisturizer, emulsifier and skin care agent in detergents. Make the formula uniform and transparent in the detergent to improve freezing/thawing stability. Mainly used in cosmetics, fragrance deodorant, skin and hair detergent. 2-methyl-1, 3-propylene glycol has a variety of uses, including the following: 1. It is an important solvent, widely used in chemical, paint and ink and other fields. 2. It is an important…

Methylpropylene glycol is an organic compound with the molecular formula C4H10O2 and is a colorless transparent liquid with low viscosity. Basic information Chemical formula :C4H10O2 Molecular weight :90.121 CAS number :2163-42-0 EINECS number :412-350-5 Physical and chemical properties Melting point :-91℃ Flash point :100℃ Density :1.015g/cm Appearance: Colorless transparent liquid Solubility: miscible with water, ethanol, butanol, styrene, tetrahydrofuran, acetone, propylene carbonate and other solvents, insoluble in cyclohexane, benzene, xylene, hexane. preparation In industry, propylene oxide is isomerized to produce allyl alcohol, and then through hydroformylation reaction, methyl propylene glycol is synthesized.   Characteristics and uses Methylpropylene glycol is a low molecular weight and high boiling point diol containing 2 primary hydroxyl groups and lateral methyl groups. It is liquid at room temperature. Compared with neopentanediol, it is easy to measure and pump, and it is easy to operate and has a wide range of application. In the field of polyurethane,…

CAS: 13701-59-2 Barium metaborate B2BaO4, molecular weight 222.95, white rhombic crystalline crystalline powder. Relative density 3.25 ~ 3.35. Melting point 1060℃. Slightly soluble in water, easily soluble in hydrochloric acid. It has the properties of rust prevention, powder resistance, high temperature resistance, fire prevention and mildew prevention. Modified barium metaborate is a new non-toxic anti-rust pigment used in primer and topcoat in coating industry, and is also used in ceramics, papermaking, rubber, textiles and plastics industries. Synthesis method: 1, borax barium sulfide method (usually) : ① The mixture of barite and pulverized coal is calcined, leach with hot water in the extractor, and the barium sulfide liquid is obtained, and then the borax aqueous solution and sodium silicate aqueous solution are separately added to the reactor. After adding the three kinds of materials, the reactor is closed, the temperature is raised to 110℃±5℃, and the reaction is stirred for 2…

(1) Used in the paint industry primer, top paint, is a new type of anti-rust pigment; Barium metaborate is slightly soluble in water and releases Ba+ and B2O4- ions, which reverse the electrochemically corroded anode, thereby preventing the hydroxyl group from reacting with ferrous ions to form iron hydroxide (rust). In addition, barium ions can produce barium soap to increase the density of the paint film and reduce the water permeability of the paint film, so barium metaborate has excellent anti-rust properties. Barium metaborate has good color and low color strength, can be used as the pigment of primer and top paint, and has better anti-rust effect in water-based latex paint. (2) Used in ceramics, paper, rubber and plastics industries; Barium metaborate has the advantages of anti-rust, anti-mildew, anti-pulverization, flame retardant, long-lasting color and so on. Particularly valuable is that barium metaborate is non-toxic, in the manufacturing, construction and gas…

Modified barium borate used in the coating industry, its outstanding characteristics have a variety of effects, modified barium borate in the coating with rust, mold,bacteria, pollution, powder resistance, prevent discoloration, flame retardant and other functions, is a multi-functional anti-rust pigment. 1. Rust prevention Used in primer, it has excellent protective effect. 2. Anti-fog effect The durability of the paint film and the decorations are attacked by mold and bacteria. There are many factors that affect the shedding of paint film, and the polymerized paint film can be used as food by microorganisms. It has become more and more obvious that the paint base of the interface between the paint film and the bottom layer is used by bacteria, which is an important factor of the paint film shedding, which occurs at the bottom layer interface. Modified calcium metaborate is a kind of highly effective anti-mold agent which can control the…