Dipropylene glycol 丨 Born for industry, hidden for fragrance
Date:2026-05-11 Views:4
When you run your palm across a silky artificial stone countertop or spritz a layered floral perfume, you would hardly associate these totally different sensory experiences with one single chemical substance: Dipropylene Glycol (DPG).
They share the identical molecular formula C₆H₁₄O₃, yet differences in purity and refining grade enable them to play entirely separate roles in industrial and fragrance fields. Today we will introduce two grades of DPG and their irreplaceable value in downstream applications. As a professional chemical supplier with deep engagement in the domestic market, Newchem Original Chemical relies on its professional expertise to help you understand and select suitable raw materials.
Industrial Grade DPG
A low-profile multi-functional material specialist
In heavy-duty sectors including unsaturated polyester resins, coatings and polyurethanes, industrial-grade DPG works as an unsung behind-the-scenes hero. It is not characterized by odor or ultra-high purity, but its outstanding solvency, moderate reactivity and highly cost-effective performance secure its stable market position.
A softening agent for resins
Engineers experienced in formulating unsaturated polyester resins and alkyd resins are aware that the choice of diols directly determines resin flexibility and weather resistance. When participating in polycondensation reactions, industrial-grade DPG improves the softness and crack resistance of resin molecular chains, and finished products resist yellowing under long-term light exposure. This explains why it is widely adopted in formulations for sanitary artificial stone, fiberglass hulls and auto parts.
A balancing expert for coatings and inks
In waterborne coatings, polyurethane coatings and printing inks, DPG commonly serves as a high-boiling film-forming aid and latent solvent. It prevents sagging during film formation while avoiding poor leveling caused by excessive fast curing. It helps formulators strike an ideal balance between water and solvent phases, and reduces VOC content of the system, complying with the development trend of eco-friendly coating technology.
A reliable component for polyurethane systems
For elastomers, flexible foams and semi-flexible foams, industrial-grade DPG is added as a raw material or modifier for polyester polyols and polyether polyols. It effectively adjusts the hydroxyl value and viscosity of the system, and remarkably optimizes the touch and resilience of finished products. Besides, its mild solvency and low volatility in industrial cleaner and plasticizer formulas greatly boost product safety and service life.
Fragrance Grade DPG
An invisible base hidden in aromas
While industrial-grade DPG delivers value through practical performance, fragrance-grade DPG (DPG Fragrance Grade) creates countless perfumes and skincare products with its imperceptible presence. In perfumes, skincare and hair care products, any slight inherent odor of solvents will destroy the complete fragrance structure elaborately designed by perfumers. Therefore, the core standards for fragrance-grade DPG are colorlessness, odorlessness, high purity and extremely low toxicity.
It usually accounts for a large proportion in finished fragrances and acts as an indispensable invisible foundation of fragrance systems.
For perfumers, alcohol is the classic solvent for perfumes. However, to slow down fragrance volatilization and realize gradual release of top, heart and base notes, high-boiling carriers are often required in formulas. Fragrance-grade DPG has a boiling point of nearly 295°C and low vapor pressure. It can fully dissolve and lock essential oils, extracts and synthetic fragrances on skin, enabling mild, gradual and long-lasting scent emission.
In many modern perfume formulas, the proportion of DPG can exceed 50%, so it is no exaggeration to call it the overlooked soul of perfume. The fundamental prerequisite for all these applications is its complete absence of peculiar smell, which will never disrupt the complete olfactory system designed by perfumers.
A gentle assistant in skincare products
In creams, serums, liquid foundations, lipsticks and other cosmetics, fragrance-grade DPG is widely used as a coupling agent and humectant. It mildly promotes sufficient emulsification and uniform blending of aqueous and oil phases, improves product fineness and application texture, and facilitates stable dispersion of active ingredients. Featuring extremely low skin irritation and excellent safety, it fits leave-on skincare products for daily use. Its addition amount in skincare products is generally controlled within 10%. Formulas without this ingredient tend to suffer from rough texture and unstable fragrance.
A stabilizer for the aroma of daily chemical products
Fragrance-grade DPG has wide applications in shampoos, body washes, body lotions, hair curling styling fluids and cleaning care supplies. It evenly disperses fragrances in the system to guarantee stable, elegant and consistent layered scent throughout usage. Meanwhile, its mild hydrophilicity delivers moisturizing and coupling effects. For daily chemical brands, high-quality fragrance-grade DPG ensures highly consistent aroma across production batches, which is vital for maintaining unified brand style and stable product quality.
Select the right grade to realize practical application value
Although industrial-grade and fragrance-grade DPG are highly similar at the molecular level, they undertake distinct specialized tasks due to different application scenarios. One delivers stable performance in resins and coatings, while the other quietly creates value through pleasant aroma and comfortable skin feel.
As your trustworthy partner, Newchem Original Chemical supplies both products:
Industrial Dipropylene Glycol (DPGI)
Available in various specifications for industrial customers engaged in resins, polyurethanes, coatings, inks and related sectors.
Fragrance Dipropylene Glycol (DPGF)
Original imported, packed in 215kg drums with purity ≥99.80%, for flavor & fragrance, cosmetic and personal care industries.
We understand that what you need is more than raw materials alone, but a partner who understands application technologies and can solve practical problems. With over 70 years of experience in the chemical industry, Newchem Original Chemical covers application technology development, warehousing and logistics. We provide precise grade selection advice and formulation technical support to help every batch of raw materials exert full value in downstream production.
Whether you are looking for stable dipropylene glycol for resin production or a reliable carrier base for perfume manufacturing, feel free to contact us. Drawing on our profound professional experience and industry accumulation, we will work with you to create the unique textures and aromas of the future!
Contact Information
Mr. Fu: +86 17751015255
Mr. Yu: +86 19941532537
When you run your palm across a silky artificial stone countertop or spritz a layered floral perfume, you would hardly associate these totally different sensory experiences with one single chemical substance: Dipropylene Glycol (DPG).
They share the identical molecular formula C₆H₁₄O₃, yet differences in purity and refining grade enable them to play entirely separate roles in industrial and fragrance fields. Today we will introduce two grades of DPG and their irreplaceable value in downstream applications. As a professional chemical supplier with deep engagement in the domestic market, Newchem Original Chemical relies on its professional expertise to help you understand and select suitable raw materials.
Industrial Grade DPG
A low-profile multi-functional material specialist
In heavy-duty sectors including unsaturated polyester resins, coatings and polyurethanes, industrial-grade DPG works as an unsung behind-the-scenes hero. It is not characterized by odor or ultra-high purity, but its outstanding solvency, moderate reactivity and highly cost-effective performance secure its stable market position.
A softening agent for resins
Engineers experienced in formulating unsaturated polyester resins and alkyd resins are aware that the choice of diols directly determines resin flexibility and weather resistance. When participating in polycondensation reactions, industrial-grade DPG improves the softness and crack resistance of resin molecular chains, and finished products resist yellowing under long-term light exposure. This explains why it is widely adopted in formulations for sanitary artificial stone, fiberglass hulls and auto parts.
A balancing expert for coatings and inks
In waterborne coatings, polyurethane coatings and printing inks, DPG commonly serves as a high-boiling film-forming aid and latent solvent. It prevents sagging during film formation while avoiding poor leveling caused by excessive fast curing. It helps formulators strike an ideal balance between water and solvent phases, and reduces VOC content of the system, complying with the development trend of eco-friendly coating technology.
A reliable component for polyurethane systems
For elastomers, flexible foams and semi-flexible foams, industrial-grade DPG is added as a raw material or modifier for polyester polyols and polyether polyols. It effectively adjusts the hydroxyl value and viscosity of the system, and remarkably optimizes the touch and resilience of finished products. Besides, its mild solvency and low volatility in industrial cleaner and plasticizer formulas greatly boost product safety and service life.
Fragrance Grade DPG
An invisible base hidden in aromas
While industrial-grade DPG delivers value through practical performance, fragrance-grade DPG (DPG Fragrance Grade) creates countless perfumes and skincare products with its imperceptible presence. In perfumes, skincare and hair care products, any slight inherent odor of solvents will destroy the complete fragrance structure elaborately designed by perfumers. Therefore, the core standards for fragrance-grade DPG are colorlessness, odorlessness, high purity and extremely low toxicity.
It usually accounts for a large proportion in finished fragrances and acts as an indispensable invisible foundation of fragrance systems.
For perfumers, alcohol is the classic solvent for perfumes. However, to slow down fragrance volatilization and realize gradual release of top, heart and base notes, high-boiling carriers are often required in formulas. Fragrance-grade DPG has a boiling point of nearly 295°C and low vapor pressure. It can fully dissolve and lock essential oils, extracts and synthetic fragrances on skin, enabling mild, gradual and long-lasting scent emission.
In many modern perfume formulas, the proportion of DPG can exceed 50%, so it is no exaggeration to call it the overlooked soul of perfume. The fundamental prerequisite for all these applications is its complete absence of peculiar smell, which will never disrupt the complete olfactory system designed by perfumers.
A gentle assistant in skincare products
In creams, serums, liquid foundations, lipsticks and other cosmetics, fragrance-grade DPG is widely used as a coupling agent and humectant. It mildly promotes sufficient emulsification and uniform blending of aqueous and oil phases, improves product fineness and application texture, and facilitates stable dispersion of active ingredients. Featuring extremely low skin irritation and excellent safety, it fits leave-on skincare products for daily use. Its addition amount in skincare products is generally controlled within 10%. Formulas without this ingredient tend to suffer from rough texture and unstable fragrance.
A stabilizer for the aroma of daily chemical products
Fragrance-grade DPG has wide applications in shampoos, body washes, body lotions, hair curling styling fluids and cleaning care supplies. It evenly disperses fragrances in the system to guarantee stable, elegant and consistent layered scent throughout usage. Meanwhile, its mild hydrophilicity delivers moisturizing and coupling effects. For daily chemical brands, high-quality fragrance-grade DPG ensures highly consistent aroma across production batches, which is vital for maintaining unified brand style and stable product quality.
Select the right grade to realize practical application value
Although industrial-grade and fragrance-grade DPG are highly similar at the molecular level, they undertake distinct specialized tasks due to different application scenarios. One delivers stable performance in resins and coatings, while the other quietly creates value through pleasant aroma and comfortable skin feel.
As your trustworthy partner, Newchem Original Chemical supplies both products:
Industrial Dipropylene Glycol (DPGI)
Available in various specifications for industrial customers engaged in resins, polyurethanes, coatings, inks and related sectors.
Fragrance Dipropylene Glycol (DPGF)
Original imported, packed in 215kg drums with purity ≥99.80%, for flavor & fragrance, cosmetic and personal care industries.
We understand that what you need is more than raw materials alone, but a partner who understands application technologies and can solve practical problems. With over 70 years of experience in the chemical industry, Newchem Original Chemical covers application technology development, warehousing and logistics. We provide precise grade selection advice and formulation technical support to help every batch of raw materials exert full value in downstream production.
Whether you are looking for stable dipropylene glycol for resin production or a reliable carrier base for perfume manufacturing, feel free to contact us. Drawing on our profound professional experience and industry accumulation, we will work with you to create the unique textures and aromas of the future!
Contact Information
Mr. Fu: +86 17751015255
Mr. Yu: +86 19941532537
