Diethyl Phthalate (DEP) is a versatile, low-odor liquid plasticizer and solvent used across fragrances, cosmetics, inks, coatings, and specialty polymer applications. As a long-standing chemical distributor and bulk supplier, GJ Chemical delivers dependable quality, flexible packaging, and responsive service so manufacturers, compounders, and end users can scale production with confidence.
What Is Diethyl Phthalate?
DEP is the diethyl ester of phthalic acid. It is valued for its excellent solvency, low volatility relative to light esters, and broad compatibility with many natural and synthetic resins. Because of its low odor and clarity, DEP is frequently selected for fragrance and personal care bases (where permitted by internal specifications), as well as for industrial uses that require consistent plasticization and viscosity control without discoloration.
Snapshot of Typical Characteristics
- Appearance: Clear, colorless liquid with mild odor
- Function: Plasticizer / solvent / carrier
- Solubility: Miscible with many organic solvents; low solubility in water
- Key Advantages: Low odor, good solvency, film-forming assistance, viscosity adjustment, resin compatibility
Why Source DEP from GJ Chemical?
Choosing the right DEP supplier is about more than price. It’s about consistency, documentation, and support. GJ Chemical brings decades of distribution experience, robust inventory positions, and an emphasis on on-time delivery to keep your lines running.
Our Distribution Advantages
- Quality & Consistency: DEP sourced from reputable producers and verified through rigorous quality controls.
- Packaging Flexibility: Drums, totes, and bulk options to match production scale.
- Reliable Logistics: Efficient, nationwide supply with responsive scheduling and status updates.
- Technical Support: Guidance on storage, handling, and formulation compatibility to accelerate scale-up.
- Documentation: COA/lot traceability available to support audit and regulatory needs.
Industrial & Commercial Applications of Diethyl Phthalate
DEP’s balance of solvency, odor profile, and plasticization makes it a dependable choice across multiple categories. Below are common use cases our customers rely on DEP for:
Coatings, Inks & Colorants
- Printing Inks: Acts as a solvent/plasticizer to improve flow, leveling, and film integrity in gravure and flexographic systems.
- Coatings & Varnishes: Enhances flexibility and reduces cracking in nitrocellulose and other resin-based finishes.
- Dyes & Color Concentrates: Useful as a carrier to aid dispersion and stability.
Fragrances & Personal Care (as specified)
- Fragrance Carrier: Low-odor, stable base component for certain perfumery and aroma applications (use per internal standards and regional regulations).
- Cosmetic Formulations: Can function as a solvent/plasticizer in select personal care products where permitted by the customer’s specification.
Polymers, Adhesives & Sealants
- Plasticizer for Specialty Polymers: Provides flexibility and processing stability in selected cellulosics and acrylics.
- Adhesives/Sealants: Assists with tack, open time, and film formation in specific pressure-sensitive and assembly adhesives.
Other Industrial Uses
- Textiles & Leather: Aids hand feel and flexibility in specialty finishes.
- Cleaning & Maintenance: Solvent functionality for certain industrial cleaners and polishes.
Formulation Considerations
To maximize performance, consider the following during lab trials and scale-up:
- Resin Compatibility: DEP is broadly compatible with many cellulosics, acrylics, and certain elastomeric systems; always run small-scale compatibility tests first.
- Volatility & Dry Time: Balance solvency with targeted evaporation profile by co-blending with faster or slower solvents as needed.
- Color & Odor: DEP’s low color and mild odor support fragrance and cosmetic bases—verify final odor threshold and color acceptability in your specific matrix.
- Plasticizer Level: Optimize loading to achieve flexibility without compromising hardness, blocking resistance, or migration limits.
Safe Handling & Storage (Summary)
Store in tightly closed containers in a cool, well-ventilated area away from strong oxidizers. Use appropriate PPE and review the Safety Data Sheet (SDS) for complete information on ventilation, exposure controls, and first-aid measures. As with all chemicals, follow your facility’s EHS protocols and applicable regulations.
Who We Serve
We support manufacturers, suppliers, and end-users across coatings, printing, personal care, adhesives, textiles, and specialty chemical markets. Whether you need a few drums or a full bulk delivery, GJ Chemical aligns inventory and logistics to your demand patterns—helping you maintain continuity and cost control.
Your DEP, Delivered—On Spec and On Time
As a dedicated chemical distributor, GJ Chemical combines product quality with service reliability. From quotation and samples to just-in-time deliveries, our team is focused on making your procurement simpler and your production more predictable.
Common Reasons Customers Choose GJ Chemical for DEP
- Stable, audited supply with strong producer relationships
- Competitive pricing across drum, tote, and wholesale bulk volumes
- Knowledgeable account support and quick-turn documentation
- Nationwide footprint for efficient fulfillment
Order Diethyl Phthalate (DEP) from GJ Chemical
Ready to qualify or scale DEP in your next project? Our team can provide specifications, packaging options, and lead-time guidance to match your timeline. Partner with a supplier that understands quality, compliance, and the realities of production schedules.
Learn more or request a quote: Diethyl Phthalate (DEP) – GJ Chemical