Triethylene Glycol Diacetate CAS 111-21-7
Factory wholesale Triethylene Glycol Diacetate CAS 111-21-7
- Appearance:Liquid
- Purity:99.8%
- Delivery:30days
- Sample Available:Available
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Name: Triethylene Glycol Diacetate
CAS: 111-21-7
MOQ: 1KG
Directory Guidance on Triethylene Glycol Diacetate
Chemical Structure
Basic Info:
| Melting Point | -50°C |
| Boiling Point | 286°C |
| Density | 1,12 g/cm3 |
| Vapor Pressure | 0.039Pa at 20℃ |
| Refractive Index | 1.4400 |
Triethylene Glycol Diacetate Introduction:
Triethylene Glycol Diacetate is an organic compound with significant industrial value. Its chemical structure is formed by the esterification reaction of a triethylene glycol molecule with two acetic acid groups. As a colorless and transparent viscous liquid, Triethylene Glycol Diacetate exhibits good thermal stability at room temperature, with a molecular formula of C10H18O6 and a molecular weight of approximately 234.2 g/mol. This compound has a high boiling point (about 280-300 ℃) and excellent solubility in common organic solvents such as ethanol and acetone. It can also form partially miscible systems with water.
Triethylene Glycol Diacetate is created through ester exchange reactions between triethylene glycol and acetic anhydride under acidic catalyst, with careful attention being paid to temperature, feed ratio, reaction time, yield rate and purity requirements for maximum product purity and yield. Modern production processes often combine continuous production equipment with molecular distillation technology in order to produce high purity products at scale.
In terms of physical and chemical properties, Triethylene Glycol Diacetate exhibits unique surface activity characteristics, with dynamic surface tension as low as 30-35 mN/m, which gives it significant advantages in applications that require reducing interfacial tension. At the same time, the substance has low volatility (vapor pressure of about 0.01) mmHg@25 The physical parameters of (℃) and high flash point (about 150 ℃) provide a guarantee for its stable use in high-temperature environments.
Studies conducted to ensure Triethylene Glycol Diacetate’s safety have demonstrated its low acute toxicity (LD50>5000 mg/kg orally in rats) and good biodegradability, under normal environmental conditions it can gradually breakdown to non-toxic products through hydrolysis and microbial action, leaving no bioaccumulation effect behind. Environmental behavior research studies indicate its half life in water is approximately 7-15 days without creating bioaccumulation effects.
Triethylene Glycol Diacetate is an exceptional multifunctional chemical, as its molecular structure contains both ether bonds and ester groups which impart it with special chemical reactivity due to their dual functional group characteristics. When dealing with polar media environments, ether bonds provide good solvation abilities while ester groups allow subsequent chemical modifications through hydrolysis or ester exchange reactions.
Triethylene Glycol Diacetate poses no significant corrosion risks when stored or transported; however, long-term contact with stainless steel containers could result in discoloration; polyethylene or polypropylene containers should therefore be preferred as storage vessels to minimize this possibility. Furthermore, temperature should be managed between 5-35 to avoid direct contact with strong oxidants.
Nature and Specifications:
| Item | Specification |
| Product Name | Triethylene Glycol Diacetate |
| CAS No. | 111-21-7 |
| Appearance | Liquid |
| Shelf Life | 2 years |
| Packing | As Your Requirements |
| Fp | 174°C |
| Storage Temp. | Sealed in dry,Room Temperature |
| Solubility | Completely soluble in water |
| Form | clear liquid |
| Color | Colorless to Almost colorless |
Product service:
- Certificate Of Analysis (COA)
- Material Safety Data Sheet (MSDS)
- Route of synthesis (ROS)
- Method of Aanlysis (MOA)
- Nuclear Magnetic Resonance (NMR)
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- Free Sample
- Factory audit
The Application Situation Of Triethylene Glycol Diacetate
Triethylene Glycol Diacetate has a wide range of important applications in the field of coatings. It can be used as a solvent and plasticizer for coatings, giving the coatings good leveling, adhesion and flexibility. In solvent-based coatings, it can effectively dissolve a variety of resin components, such as alkyd resins, nitrocellulose, etc., so that the coating can be evenly applied to the surface of the object during construction to form a smooth, flat and dense coating.
As a plasticizer, it can reduce the brittleness of the coating film formed after the coating is dried, improve the impact resistance and wear resistance of the coating film, and extend the service life of the coating. In some high-performance coating systems, such as automotive coatings and industrial anti-corrosion coatings, the use of Triethylene Glycol Diacetate plays a key role in improving the overall performance of the coating, enabling it to meet the stringent requirements for coating performance under different environmental conditions.
In the plastic processing industry, Triethylene Glycol Diacetate is mainly used to improve the processing performance and physical properties of plastic products. It can be used as a plasticizer and lubricant for plastics to reduce the viscosity of plastic melts, making plastics easier to flow and form during processing, and reducing the energy consumption and wear of processing equipment. At the same time, it can also improve the flexibility and impact resistance of plastic products, making them less likely to break or deform when impacted by external forces.
For example, in the production of PVC plastic products, adding an appropriate amount of Triethylene Glycol Diacetate can make PVC plastics more flexible and weather-resistant, and is widely used in plastic pipes and profiles in the construction field and plastic films in the packaging field.
In the cosmetics industry, Triethylene Glycol Diacetate also has unique application value. It can be used as a moisturizer and solvent in cosmetics to provide moisturizing and hydrating effects for the skin. At the same time, it can effectively dissolve a variety of cosmetic ingredients, such as fragrances and pigments, so that cosmetics have good stability and uniformity. In skin care products, it can enhance the skin’s water retention capacity, prevent skin dryness and desquamation, and maintain the skin’s softness and smoothness.
In makeup products, it helps to improve the product’s spreadability and adhesion, so that makeup products can better fit the skin and last for a long time without makeup removal. At the same time, it can also improve the texture and gloss of makeup products, and enhance the product’s use experience and aesthetics.
In the field of textile printing and dyeing, Triethylene Glycol Diacetate is mainly used as a textile auxiliary and printing and dyeing solvent. As a textile auxiliary, it can improve the softness and processability of fibers, and improve the feel and wearing comfort of fabrics. In the printing and dyeing process, it can dissolve and disperse dyes, so that the dyes can be evenly attached to the fiber surface, improving the dyeing effect and the color fastness of the fabric.
It also has a certain hydrophilicity, which helps the fabric to dry quickly after printing and dyeing, and improves production efficiency. In some special textile processing processes, such as functional finishing, Triethylene Glycol Diacetate can also synergize with other finishing agents to give fabrics multiple functions such as waterproof, oil-proof, and antibacterial.
Triethylene Glycol Diacetate also has potential application prospects in the pharmaceutical field. It can be used as a solvent and excipient in pharmaceutical preparations to prepare some liquid preparations and semi-solid preparations, such as syrups, ointments, etc. Its good solubility and biocompatibility enable it to effectively dissolve drug ingredients and improve the stability and bioavailability of drugs. At the same time, it can also improve the taste and appearance of drug preparations and increase patients’ medication compliance. In the research and development of some sustained-release and controlled-release preparations, the special chemical properties of Triethylene Glycol Diacetate may be used to design and construct a drug release regulation system to achieve slow and sustained release of drugs, prolong the drug’s action time, and improve the drug’s therapeutic effect.
The Advantages Of Triethylene Glycol Diacetate
Compared with similar products, Triethylene Glycol Diacetate has a wider process adaptability. Its pH tolerance range can reach 3-11, and it can remain chemically inert in both acidic and alkaline environments. This feature is particularly suitable for continuous production processes that require multi-step reactions. From an economic perspective, although the unit mass cost is slightly higher than that of traditional solvents, the low loss rate brought by its high boiling point reduces the cost of use over the entire life cycle by about 15-20%. In terms of safety control, its flash point is higher than the conventional hazardous chemical classification standard, and it is not a flammable and explosive product, which greatly reduces the safety risks in the storage and transportation links.
From the perspective of technological development prospects, the molecular modifiability of Triethylene Glycol Diacetate provides broad space for product upgrading. By regulating the degree of ester substitution or introducing functional groups, derivative systems with specific properties can be developed. For example, replacing some acetic acid groups with long-chain fatty acids can enhance their hydrophobic properties and is suitable for the development of waterproof materials in special fields. In addition, the combined application of nanotechnology is opening up new directions. The application of nanoemulsions prepared with Triethylene Glycol Diacetate as a stabilizer in pesticide slow-release systems has entered the pilot stage. This continuous technological iteration capability ensures the long-term advantage of products in market competition.
In terms of environmental performance, the biodegradability of Triethylene Glycol Diacetate meets the requirements of OECD 301B standards, and its ecotoxicity is significantly lower than that of similar petroleum-based chemicals, which meets the EU REACH regulations on persistent pollutants. The thermal stability index is better than that of most ester compounds. After continuous heating at 180°C for 72 hours, the decomposition rate is less than 0.5%. This characteristic enables it to maintain stable performance during high-temperature processing.
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Related References:
Chemicalbook-Triethylene Glycol Diacetate
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