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DIPROPYLENE GLYCOL DIMETHYL ETHER

CAS: 111109-77-4

Dipropylene glycol dimethyl ether (mixture of isomeres)for synthesis. A aprotic (no hydroxyl functionality), that can be used in protonsensitive systems such as water-based polyurethane coatings. Can also be used as an azeotroping solvent for esterification reactions. And with its excellent stability, solvency, and coupling performance. It provides excellent compatibility with a wide range of agricultural formulations and cleaning products.

Dipropylene glycol dimethyl ether; UNII-59X1IJT82G; 89399-28-0; 59X1IJT82G; 1,2'; oxydipropanol dimethyl ether; 1-methoxy-2-(2-methoxypropoxy)propane; Propane, 2-methoxy-1-(2-methoxy-1-methylethoxy)-; 2-(2-Hydroxypropoxy)propan-1-ol dimethyl ether; SCHEMBL77962; 2-METHOXY-1-[(1-METHOXYPROPAN-2-YL)OXY]PROPANE; 2; methoxy-1-(1-methoxypropan-2-yloxy)propane; Propane,2-methoxy-1-(2-methoxy-1-methylethoxy)-; J-002522; Dipropylene Glycol Dimethyl Ether (mixture of isomers); Q27261724; Di(propylene glycol) dimethyl ether, mixture of isomers; 1,6-O-[(1R,2R)-1,2-Dimethoxy-1,2-dimethyl-1,2-ethanediyl]-3,4-O-[(1S,2S)-1,2-dimethoxy-1,2-dimethyl-1,2-ethanediyl]-myo-inositol 5-benzoate 2-(1,1,1-trifluoromethanesulfonate)  2,2-Dimethoxy-N,N-dimethylethylamine  1,1-Dimethoxy-N,N-dimethylethylamine  2,7-Dimethoxy-9,9-dimethyl-9H-fluorene  1,1-Dimethoxy-3,7-dimethylocta-2,6-diene  8,8-Dimethoxy-2,6-dimethyloctan-2-ol  N,N'-Dimethoxy-N,N'-dimethyloxamide  Dimethoxydimethylsilane  4,6-Dimethoxy-2,3-dioxoindoline  4,4'-Dimethoxydiphenylamine  10,11-Dimethoxy-17-epi-alpha-yohimbine  3,3-Dimethoxyestra-5(10),9(11)-dien-17-one  1,1-Dimethoxyethane  1,2-Dimethoxyethane  (2,2-Dimethoxyethoxy)benzene  3,5-Dimethoxy-4-ethoxybenzoic acid  4-(2,2-Dimethoxyethoxy)-3-methoxybenzenamine  1-(2,2-Dimethoxyethoxy)-3-methylbenzene  (2,2-Dimethoxyethyl)acrylamide  2,2-Dimethoxyethylamine ; Di(propylene glycol) dimethyl ether, 99.5%, mixture of isomers; oxybis(methoxy-propan; PROGLYDE(TM) DMM; DIPROPYLENE GLYCOL DIMETHYL ETHER; BIS(METHOXYPROPYL) ETHER; Propane, oxybismethoxy-;Dipropylenglykoldimethylether; Dimethoxy dipropyleneglycol; DPDME; DPGDME; 1-Methoxy-2-((1-Methoxypropan-2-yl)oxy)propane; Dipropylene Glycol DiMethyl Ether(DPDM); Bis(methoxypropyl) ether, Proglyde(R) DMM; Dipropylene glycol dimethyl ether,Bis(methoxypropyl) ether; Di(propylene glycol) dimethyl ether, mixture of isomers,Bis(methoxypropyl) ether, Proglyde DMM; 
Di(propylene glycol) dimethyl ether, for synthesis, mixture of isomers; CH3OC3H6OC3H6OCH3

Dipropylene glycol dimethyl ether is unique among propylene oxide-based solvents in that it is aprotic (no hydroxyl functionality). As a result, it is relatively inert and can be used in protonsensitive systems such as water-based polyurethane coatings. Dipropylene glycol dimethyl ether can also be used as an azeotroping solvent for esterification reactions. And with its excellent stability, solvency, and coupling performance, Dipropylene glycol dimethyl ether glycol diether provides excellent compatibility with a wide range of agricultural formulations and cleaning products.

Uses:
•    Cleaners
•    Textiles
•    Cosmetics
•    Resins
•    Coating formulation and application
•    Industrial, automotive and architectural coatings

Benefits:
•    Favorable enviornmental profile, superior performance for end use applications, formulations may require less Performance solvent than P or E Series
Dipropylene glycol dimethyl ether is unique among propylene oxide-based solvents in that it is aprotic (no hydroxyl functionality). As a result, it is relatively inert and can be used in protonsensitive systems such as water-based polyurethane coatings. Dipropylene glycol dimethyl ether can also be used as an azeotroping solvent for esterification reactions. And with its excellent stability, solvency, and coupling performance, Dipropylene glycol dimethyl ether glycol diether provides excellent compatibility with a wide range of agricultural formulations and cleaning products.

Suggested Applications 
• Aprotic solvent for use in water-based polyurethane/isocyanate coating systems. 
• Active solvency for solvent-based coatings. 
• Water removal agent useful in esterification reactions for the production of exceptionally clear resins. 
• Powerful paint-stripping formulation when used in combination with small amounts of protic solvent. 
• Aproticity, strong solvency, and coupling performance provide for compatibility with a wide range of agricultural formulations. 
• Effective for printed circuit board cleaners developed to reduce CFC emissions. 
• Stability over a wide pH range allows for use in strongly acidic or alkaline cleaners. Features 
• Aproticity 
• High solvency 
• Coupling ability 
• Coalescing ability
• Water removal 
• Powerful diluent 
• Thermal and chemical stability 
• Low odor 
• Moderate evap

Dipropylene glycol dimethyl ether is an inert solvent and well suited as a non-toxic alternative to NMP and NEP in paints & coatings applications, especially for waterborne PU-dispersions and 2P-formulations.

Benefits
•    Safe handling
•    inert solvent
•    water soluble
•    non-toxic
Relevant identified uses of the substance or mixture Industry sector : Industrial Performance Chemicals Type of use : Raw material for industry Raw material for cleaning agents.

Formulations often contain a blend of slow and medium evaporation rate solvents to optimise the film properties and thus the final appearance. Evaporation rate can affect the drying time of the coatings or inks as well as the film appearance and durability. The evaporation of the solvent from a film depends strongly on the affinity of the solvent to the binder. A solvent or coalescent which is normally highly volatile but shows a strong affinity to the binder will evaporate slowly from the film. Industrial coatings usually have to meet short dry-times. As it can be generally stated that the more volatile the coalescing agent, the more the coalescing performance declines which lends to using a coalescent of medium volatility.
As it is not completely water-soluble and still has a strong affinity for hydrophobic compounds, it will aid in coupling the polyisocyanate into the water phase. Compared to other solvents, Dipropylene glycol DME is a more effective solvent for reducing the viscosity of polyisocyanate resins. And since it is not especially hygroscopic (compared to NMP), resin formulators can be sure that little moisture will be present to cause early CO2 formation by the reaction of water with isocyanate. 
The surface tension of Dipropylene glycol DME is lower (26.3 mN/m at 25 °C) than that of many other solvents and therefore helpful to reduce the formation of microblisters caused by CO2 trapped in the film during the drying circle. The effectiveness and benefits of Dipropylene glycol DME usage in PUDs has been proven during the last 20 years. In coating formulations, Dipropylene glycol DME can also be used as a co-solvent in combination with propylene glycol methyl ether acetate (PMA) as an alternative to ethylene glycol ethyl ether acetate (EEA), which has been identified as a CMR-substance.

Experimental results suggest that the use of Dipropylene glycol DME as solvent additive to PMA provides film hardness development rates and final film hardness that are comparable to formulations based on EEA and superior to those based on PMA alone. 
The removal of old or unwanted (e.g. graffiti) paint is often needed before applying new layers of coatings. The wide range of paint types means that specific paint strippers have to be formulated for particular applications. In the past, NMP was successfully used in paint stripping formulations, but its toxicity presents a health risk and drives the efforts to develop NMP-free formulations. Water-based paint stripper formulations containing Dipropylene glycol DME exhibit good solvency and enhanced stripping times over a range of paint types

Chemical Properties
Clear colorless liquid

Uses:
Dipropylene glycol diMethyl ether can be used as aprotic solvent for use on proton-sensitive systems such as water-based polyurethane coatings.
Dipropylene glycol diMethyl ether is a good coalescing agent. It is a colorless di-propylene glycol normal butyl ether solvent. It is used in adhesive products. It possesses mild odor, low volatility, low water solubility, good coupling and solvency properties. It is suitable for various resins including acrylics, styrene-acrylics and polyvinyl acetates. 
Dipropylene glycol diMethyl ether meets or exceeds the grade requirements or specifications for each individual product.
Dipropylene glycol DME is a hygroscopic dipropylene glycol dimethyl ether. Exhibits chemical stability, absence of reactive groups and low toxicity. It is not listed as a hazardous air pollutant and offers an alternative to solvents being phased out as a result of the Clean Air Act. It is a colorless liquid with a mild, pleasant odor. It is completely miscible with most common organic solvents and has limited solubility in water. It forms an azeotrope with water (38% Dipropylene glycol DME and 62% water). It is used as an environmentally friendly replacement for NMP (N-methyl pyrrolidone). Suitable for water-based and solvent-based coating systems. Dipropylene glycol DME is designed for use as a coalescing agent or as solvent for polyurethane/isocyanate prepolymer in 2c-PUDs. It can also be used in effective paint and varnish-stripping formulations by combining it with a protic solvent and as a co-solvent in aluminum pastes.
Dipropylene glycol dimethyl ether uses and applications include: Solvent in coatings, including PU coatings, agriculture formulations, resin production cleaning products. Solvent coupling agent in cosmetics, tolietries, diluent for thioxotrope systems.

Coatings: Glycol Ether DPM provides good solvency for a wide variety of resins including acrylic, epoxies, alkyds, polyesters, nitrocellulose and polyurethanes. Glycol Ether DPM has a relatively low vapor pressure (volatility) and evaporates at a slow rate. Key properties for coating applications include complete water miscibility and good coupling ability. Cleaners: Surface tension reduction and slow evaporation are some of the benefits of using Glycol Ether DPM in cleaning formulations.
DPM has a low odor and slow evaporation rate. It is a good choice for wax strippers and floor cleaners which are spread over a large area. When used in an enclosed area, a floor cleaner containing a fast-evaporating solvent might produce an undesirable amount of solvent vapor. Glycol Ether DPM provides good solvency for polar and non-polar materials. Other Applications: The properties listed in the previous section also support the use of Glycol Ether DPM in agricultural, cosmetic, electronic, ink, textile and adhesive products.
General industry practice is to store Glycol Ether DPM in carbon steel vessels. Avoid contact with air when storing for long periods of time. Store only in tightly closed, properly vented containers away from heat, sparks, open flame or strong oxidizing agents. Use only non-sparking tools. Ground containers before beginning transfer. Electrical equipment should conform to national electric code. Handle empty containers carefully. Combustible residue remains after emptying. Store in properly lined steel or stainless steel to avoid slight discoloration from mild steel. Glycol ethers should never be stored or handled in copper or copper alloys

Application:
With special structure, chemical stability and non-toxicity, is usually used in the production of water-based coating, special ink and special binder. Besides, with excellent solubility, it is often used to produce cleaning agent and paint remover, to recycle and re-process the old high molecular material.

DPDM is a kind of non-ionic, multi-functional and environment-friendly solvent with low toxicity, film-forming property, hydrophilcity, weak ether scent, appropriate volatile speed, good chemical stability, excellent solubility, and high safety to human. It is classified as Non- HAP/NAP green solvent in the USA and EU. DPDM is usually applied in water-based and curable coatings, chemicals like medicine and pesticide; widely used in cleanser, co-solvent, reaction solvent of organic synthesis, additive and moistening agent; used in electronic industry as cleaning agent by replacing N-methylpyrrolidone. In addition, it can be used to synthesize polyurethane.


Dipropylene glycol dimethyl ether, or DPDM, is a type of non-ionic solvent that is environmentally friendly and multifunctional. Its key attributes include low toxicity, chemical stability and high solubility. Because it’s safe for humans and the environment DPDM is able to be used in a wide range of products that humans come into contact with, such as moistening agents, cleansers and even some medications. Some of the other names used for DPDM are proglyme, Proglyde DMM Glycol Diether, or DPGDME.

Key Attributes of DPDM:

DPDM is a versatile and environmentally friendly solvent. It’s commonly used in waterborne coatings and high solids coatings because of its strength and durability. Its purpose is to improve the overall appearance of coatings, plus emulsify the formulation components. It has a low odor and an excellent toxicity profile.
The low toxicity profile of DPDM is perhaps its greatest benefit, as the solvent can be used across many different products. It is classified as a non-HAP/NAP green solvent in the U.S. and Europe. This means that the solvent is not a hazard to human health or the environment and doesn’t contribute to air pollution.
Aside from its safety for the environment and humans, additional benefits of DPDM include:
    Good chemical stability
    Exceptional solubility
    Weak ether scent
    Film-forming properties
    Appropriate volatile speed
    Low toxicity

Uses of DPDM:

Dipropylene glycol dimethyl ether has many uses, but it’s generally applied in water-based and curable coatings because of its excellent solubility. Additional uses for DPDM are:
    Additive and moistening agent
    Cleaning agent for electronic industry
    Synthesizer for polyurethane
    Chemicals like medicine and pesticide
    Reaction solvent of organic synthesis   
Dipropylene glycol dimethyl ether is a clear, colorless liquid that is packaged and sold in large, steel coated drums. Silver Fern Chemical is a wholesale distributor of speciality and industrial chemicals, including DPDM. We have the capability to ship DPDM in drums and isotanks.
Dipropylene glycol methyl ether (DPDM) is an environmentally friendly alcohol ether solvent with low toxicity, low viscosity, low surface tension, moderate evaporation rate, good dissolution and coupling ability. It is completely miscible with water and has good compatibility.

Application fields:
1. Coupling agent for waterborne coatings, film forming solvent for waterborne coatings, detergent, paint remover, ink solvent for screen printing, coupling agent for vat dye fabric, coupling agent and skin care agent for cosmetics, stabilizer for agricultural insecticide, coagulant for floor brightener, liquid heat stabilizer for PVC, etc.
2. It has good solubility in acrylic resin, epoxy resin, alkyd resin, nitrocellulose resin and polyurethane resin.
3. It is a good choice for dewaxing and floor cleaning because of its low surface tension, low aromatic flavor, low evaporation rate and good solubility for polar and non-polar substances.
4. Other for agricultural products, cosmetics, electronic ink, textiles.
5. DPM can replace diethylene glycol ether and diethylene glycol butyl ether in various fields.
Package: 200kg / iron barrel
Transportation: transportation of general liquid chemicals.
Storage: store in a cool and dry place to prevent heat, moisture, sun exposure, waterproof and sealing, and isolate open fire.
DPMP is characterized by their chemical stability and excellent solvency and function as high performance additives, waxes, defoamers, slip agents, lubricants, antioxidants and specialty additives. 

They are used as solvents, hard-surface cleaners, organic intermediates, agricultural chemicals, anti-icing agents, in paint and coatings, printing ink, adhesives, electronics, textile and leather industries. Chemicals used in coatings are applied to change the surface properties of the substrate, such as Adhesion, Wettability, Corrosion Resistance, or Wear Resistance.

APPLICATION : 
Suitable for styrene acrylic emulsion, acrylic emulsion and latex paint system, upscale electrophoresis paint and for various high-grade paint solvents. Used as fuel anti-freeze, cleaning agent, extraction solvent, flexo printing ink, screen printing ink, raw material for organic synthesis. Due to lower film-forming temperature, it is condensed into a membrane which ensures coating in a good state.
Dipropylene glycol dimethyl ether, or DPDM, is a type of non-ionic solvent that is environmentally friendly and multifunctional. Its key attributes include low toxicity, chemical stability and high solubility.
2021 Global and Chinese Dipropylene glycol dimethyl ether (DPDM) Market Size, Share & Trends Analysis is a professional and in-depth study on the current state of the global Dipropylene glycol dimethyl ether (DPDM) market with a focus on the Chinese market. The report provides key statistics on market of Dipropylene glycol dimethyl ether (DPDM). It is a valuable source of guidance and direction for companies and individuals interested in Dipropylene glycol dimethyl ether (DPDM) industry.

IUPAC Names:
1-methoxy-3-(3-methoxypropoxy)propane
C&L Inventory
Dipropylene glycol dimethyl ether
C&L Inventory
Propane, oxybis(methoxy-)

Reguatory Names:
Propane, oxybis[methoxy-

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