NF-Grade Diethyl Phthalate (DEP) is a high-purity compound (CAS No. 84-66-2) used in regulated industries like pharmaceuticals and personal care. With a molecular formula of C₁₂H₁₄O₄, it serves as a plasticizer in tablet coatings and a perfume fixative, ensuring product stability and extended fragrance longevity.
This clear, colorless liquid adheres to National Formulary (NF) standards, requiring stringent specifications for purity (≥99.0% for pharmaceuticals, ≥98.5% for personal care), moisture content, and heavy metal limits. It’s slightly soluble in water but blends easily with organic solvents like ethanol and acetone, making it versatile in formulations.
For over 40 years, Allan Chemical Corporation has specialized in sourcing NF-grade DEP, offering flexible batch sizes, compliance documentation, and technical support to meet the strict demands of these industries. Proper handling, storage, and adherence to regulatory guidelines are critical to maintaining its quality and safety.
Regulatory Standards and Compliance Requirements
National Formulary (NF) Specifications
The National Formulary (NF) sets precise standards for NF-grade Diethyl Phthalate, requiring it to meet an assay value of 9. This strict specification ensures it aligns with the compliance needs of NF-grade applications.
This information is intended for general guidance only. Always refer to official regulations and consult qualified professionals when making sourcing or formulation decisions.
Quality Requirements for NF-Grade DEP Applications
Pharmaceutical Application Requirements
In pharmaceutical formulations, NF-grade Diethyl Phthalate (DEP) must meet strict criteria to ensure safety and stability. These include a purity level of at least 99.0%, moisture content no higher than 0.1%, an acid value capped at 0.5 mg KOH/g, and heavy metals limited to less than 10 ppm. Such stringent standards are essential to maintain product integrity and safeguard patient health.
NF-grade DEP serves as a key excipient in pharmaceuticals, primarily acting as a plasticizer and solvent. Its role is crucial in maintaining chemical stability, especially when used with pH-sensitive active ingredients. These specifications align with USP-NF monographs and FDA guidelines, ensuring that the excipient does not trigger unwanted chemical reactions during production or storage.
Personal Care Application Requirements
Personal care formulations also rely on NF-grade DEP but with slightly different specifications tailored to enhance sensory properties. In this context, DEP is commonly used as a fixative in fragrances and as a solvent in cosmetics. Its fixative properties help extend the longevity of scents in perfumes, colognes, and other scented products.
For personal care applications, DEP must meet specific sensory and visual criteria. It should have a neutral to faint odor and exhibit a water-white to pale yellow color (≤15 APHA units). Additionally, its refractive index must fall between 1.502 and 1.505 at 68°F (20°C). These attributes ensure that DEP does not interfere with the clarity or appearance of lightly colored or transparent products.
Quality Specifications Comparison
The quality standards for NF-grade DEP differ slightly between pharmaceutical and personal care applications, reflecting the unique demands of each use. Below is a comparison of key specifications:
| Quality Parameter | Pharmaceutical Applications | Personal Care Applications | Test Method |
|---|---|---|---|
| Purity (min.) | 99.0% | 98.5% | Gas Chromatography |
| Moisture Content (max.) | 0.1% | 0.2% | Karl Fischer |
| Acid Value (max.) | 0.5 mg KOH/g | 1.0 mg KOH/g | Titration |
| Heavy Metals (max.) | 10 ppm | 20 ppm | ICP-MS |
| Color (max.) | 10 APHA | 15 APHA | Spectrophotometry |
| Residue on Ignition (max.) | 0.05% | 0.1% | Gravimetric |
Pharmaceutical applications demand stricter limits on residue on ignition (0.05% max) to minimize inorganic impurities that could compromise drug stability or biocompatibility. In contrast, personal care products allow up to 0.1%.
Despite these differences, both applications maintain consistent physical properties, including a specific gravity of 1.118–1.122 and a viscosity range of 13.0–15.0 cP at 77°F (25°C). These parameters ensure reliable performance during manufacturing and dosing.
This information is intended for reference only. Always consult official guidelines and qualified experts before making sourcing or formulation decisions.
Use Restrictions and Safety Guidelines
Regulatory Use Restrictions
NF‑grade DEP must be used in line with industry guidelines and regulatory standards. Manufacturers and formulators should consult relevant regulatory authorities to ensure DEP is utilized safely and meets established requirements for pharmaceutical and personal care applications.
Safety and Toxicological Data
Adhering to regulatory practices is just the start – safety data highlights the precautions necessary when handling NF‑grade DEP. This compound can irritate the skin and eyes, and inhaling its mists, vapors, or sprays may cause respiratory discomfort. It’s important to prevent static discharge and avoid contact with incompatible substances, including acids, strong bases, reducing agents, and oxidizers[2].
While DEP isn’t classified as hazardous for transport under DOT, TDG, IATA, or IMDG/IMO[2], disposal must still follow strict protocols. Those handling chemical waste should determine if discarded DEP qualifies as hazardous waste based on local, regional, and national regulations.
Handling and Storage Best Practices
Proper handling and storage are crucial to maintaining the quality and safety of NF‑grade DEP. Workers should use appropriate personal protective equipment, such as protective eyewear, gloves, and clothing, to minimize skin exposure[2].
Manufacturing and storage should comply with current Good Manufacturing Practices (cGMP)[1]. DEP should be stored in a cool, dry, and well-ventilated area, with containers sealed tightly to prevent contamination and moisture absorption[2]. Hand hygiene is equally important – workers must wash their hands before breaks and immediately after handling the compound[2].
Disposal procedures for DEP should strictly follow local hazardous waste regulations to ensure safe and compliant waste management.
This content is for informational purposes only. Always consult official regulations and qualified professionals before making sourcing or formulation decisions.
sbb-itb-aa4586a
Sourcing NF-Grade DEP with Allan Chemical Corporation
Allan Chemical Corporation’s Sourcing Expertise
Allan Chemical Corporation has spent over 40 years perfecting its ability to source specialty chemicals like NF-grade Diethyl Phthalate (DEP). By working directly with carefully vetted manufacturers, the company ensures a reliable supply of this essential ingredient. Their focus on quality and regulatory compliance makes them a dependable partner for pharmaceutical and personal care manufacturers.
With flexible batch sizes and just-in-time delivery options, Allan Chemical Corporation helps businesses balance inventory costs while keeping production running smoothly. Their ability to handle niche sourcing challenges ensures that even hard-to-find products are available when needed.
Additionally, their direct relationships with manufacturers allow them to secure competitive pricing and meet specific requirements, such as unique purity levels or customized packaging.
Quality Assurance and Certifications
Allan Chemical Corporation takes quality seriously. Their NF-grade DEP complies with National Formulary (NF) standards, meeting the rigorous demands of pharmaceutical and personal care applications [4]. While many of their products meet or exceed USP and NF standards, they go further by offering ISO 9001-certified quality management systems to ensure consistent sourcing and handling processes [4].
To support regulatory compliance, the company provides detailed documentation, including product specifications, Certificates of Analysis (CoA), and Safety Data Sheets (SDS), upon request. This ensures full traceability and helps customers meet strict regulatory requirements. Allan Chemical Corporation also adapts its services to address specific client needs, offering tailored solutions for unique challenges.
Tailored Sourcing and Documentation Support
For businesses with unique requirements, Allan Chemical Corporation offers custom sourcing solutions. Whether it’s adjusting purity levels, packaging formats, or delivery schedules, their approach is designed to align with specific production needs [3].
"Specifications, Certificates of Analysis, and Safety Data Sheets (SDS) are available upon request. If you have special requirements, AllanChem offers products specifically produced to meet your particular needs and specifications." – Allan Chemical Corporation [3]
Their dedicated Regulatory Document Coordinator ensures all documentation, such as CoAs and SDS, is accurate and readily available. Meanwhile, their technical support team provides guidance on product usage and compatibility, helping formulators make the most of NF-grade DEP in their applications.
This information is intended for general guidance. Always consult official regulations and qualified professionals when making sourcing or formulation decisions.
Conclusion: Meeting Quality and Compliance Standards with NF-Grade DEP
NF-grade Diethyl Phthalate plays a critical role in pharmaceutical and personal care formulations, where maintaining high standards of quality and compliance is non-negotiable. Adhering to the strict requirements set by the National Formulary (NF) and the FDA means manufacturers must partner with suppliers who not only understand the technical specifications but also the complex regulatory environment. This focus on quality influences every aspect of sourcing and compliance decisions.
In industries like pharmaceuticals and personal care, consistency in quality is absolutely essential. Any deviation from NF specifications can lead to serious issues, such as production delays, regulatory scrutiny, or even product recalls. As a result, selecting the right supplier for NF-grade DEP becomes one of the most critical choices manufacturers face.
Allan Chemical Corporation brings over 40 years of expertise in specialty chemical sourcing, ensuring their products consistently meet NF-grade standards. Beyond quality, they simplify regulatory compliance through comprehensive documentation. Their dedicated Regulatory Document Coordinator ensures that essential documents like Certificates of Analysis, Safety Data Sheets, and product specifications are always accessible – whether for regulatory agencies or internal quality teams.
"At AllanChem, many of our products conform to, or exceed, the latest compendia of quality standards. These include but are not limited to ACS, USP, NF, FCC, Kosher and Halal." [3]
Allan Chemical Corporation’s ability to handle specialized requirements and custom specifications allows formulators to meet precise quality goals without compromising compliance. Their direct partnerships with carefully vetted manufacturers enable them to accommodate unique needs, whether related to purity levels, packaging, or delivery preferences.
As emphasized earlier, unwavering adherence to NF-grade standards is essential. Choosing a reliable source for NF-grade DEP not only ensures consistent product quality but also upholds the strict regulatory requirements that define the pharmaceutical and personal care industries.
This content is for informational purposes only. Always consult official regulations and qualified professionals before making sourcing or formulation decisions.
FAQs
What regulatory requirements must NF-grade Diethyl Phthalate meet for use in pharmaceuticals and personal care products?
NF-grade Diethyl Phthalate (DEP) is required to meet rigorous regulatory standards to guarantee its safety and quality, particularly for use in pharmaceutical and personal care products. These standards are set by organizations like the U.S. Food and Drug Administration (FDA), Occupational Safety and Health Administration (OSHA), and the Cosmetic Ingredient Review (CIR).
To comply, DEP must satisfy strict purity levels, maintain low contaminant thresholds, and follow specific usage restrictions depending on the type of product it is incorporated into. These measures are designed to ensure DEP is both safe for its intended purposes and aligned with industry expectations for quality and consumer safety.
Why is the quality of NF-grade DEP important for the stability and performance of pharmaceutical and personal care products?
The quality of NF-grade Diethyl Phthalate (DEP) is essential for maintaining the stability and effectiveness of pharmaceutical and personal care products. Its superior chemical purity helps reduce impurities that might compromise active ingredients or fragrances, ensuring products remain effective and intact for longer periods.
Moreover, the low volatility and chemical stability of NF-grade DEP safeguard formulations from unwanted changes over time. This ensures consistent performance and reliability, making it a dependable choice for the rigorous standards of these industries.
What are the key safety measures for handling and storing NF-grade Diethyl Phthalate in compliance with U.S. regulations?
When working with NF-grade Diethyl Phthalate (DEP), it’s crucial to prioritize safety. Always use protective gloves, safety goggles, and suitable clothing to prevent skin or eye contact. Make sure the area is well-ventilated to reduce the risk of inhaling vapors. For storage, keep DEP in tightly sealed containers placed in a cool, ventilated space, away from heat sources, open flames, and oxidizing agents. Be mindful of its flash point, which is around 325°F, and avoid exposing it to high temperatures.
To comply with U.S. regulations, adhere to OSHA and EPA standards for handling and storing chemicals. Regularly review the safety data sheets (SDS) and ensure all materials are properly labeled and documented.
Comments are closed