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Glycerin
ZIO
Gentle-Moisturizing Food and Cosmetic Grade Glycerin (Glycerol) Liquid serves as a foundational ingredient for formulators demanding strict consistency, safety, and performance. Characterized by its colorless, transparent appearance and a distinctively smooth, viscous texture, this versatile compound acts as a highly efficient humectant, solvent, and emollient. Its inherently stable molecular structure allows it to bind water effectively, preventing moisture loss in everything from delicate skincare emulsions to complex food matrices. Recognizing the critical importance of supply chain reliability and production scale, we support large-volume procurement with flexible delivery systems. Our packaging infrastructure accommodates varying operational capacities, offering 25kg drums for smaller batch runs, 250kg drums for standard manufacturing, and 1200kg IBC tanks for continuous, large-scale production lines. Furthermore, customized packaging configurations are available to align with specific inventory management and brand requirements. By maintaining rigorous inventory controls and leveraging a robust global distribution network, we ensure that your manufacturing facilities receive uninterrupted deliveries, thereby protecting your production schedules and optimizing cost-efficiency.
Property | Value |
Chemical Name | Glycerol |
Molecular Formula | C₃H₈O₃ |
Molecular Weight | 92.09 g/mol |
CAS No. | 56-81-5 |
Appearance | Colorless, transparent, viscous liquid |
Taste | Slightly sweet |
Purity | ≥95% or ≥99.5% (Pharma Grade / Food Grade / Industrial Grade) |
Boiling Point | 290℃ |
Melting Point | 18℃ |
Specific Gravity | 1.26 g/cm³ (20℃) |
Solubility | Soluble in water and alcohol, insoluble in non-polar solvents |
Stability | Stable at room temperature, non-volatile |
Packaging | 25kg/drum, 250kg/drum, 1200kg/IBC, OEM packaging available |
The primary active component in this liquid is highly refined 1,2,3-propanetriol, maintaining a strict minimum purity of ≥95% for technical applications and an exacting ≥99.5% for food and pharmaceutical specifications. What distinguishes this specific formulation is its premium botanical origin. Extracted entirely from 100% natural plant bases—specifically selectively sourced palm, coconut, and soy—it provides a clean, sustainable foundation for modern formulations. This plant-based extraction ensures the material is fully vegan and non-GMO, directly addressing the stringent requirements of brands seeking Kosher and Halal certifications.
Within the food and beverage sector, this liquid functions as a highly effective humectant and texturizer. When incorporated into baked goods, confectioneries, and dairy formulations, it actively prevents moisture migration, thereby maintaining a soft, fresh mouthfeel and significantly delaying staling. Its slightly sweet flavor profile allows it to act as a complementary mild sweetener, reducing the reliance on traditional sugars without masking delicate primary flavors. Furthermore, its excellent solubility makes it an ideal carrier solvent for concentrated botanical extracts, artificial flavors, and food colorings, ensuring uniform dispersion throughout the final edible product and extending the overall shelf life of processed goods.
Recognized as a foundational moisturizer in dermatology and cosmetic chemistry, this ingredient absorbs ambient water and locks it into the stratum corneum, resulting in deeply hydrated, supple skin. To assist research and development teams, we provide precise dosage recommendations based on terminal applications. For facial serums and body lotions, an inclusion rate of 5-10% is advised to achieve optimal hydration without leaving a tacky residue. In rinse-off formulations such as shampoos, conditioners, and body washes, a 2-8% concentration effectively protects the skin barrier and smooths hair cuticles during cleansing. For oral care products like toothpaste, a higher loading of 20-30% is recommended to maintain paste viscosity, prevent tube dry-out, and provide a pleasant, smooth texture during brushing.
In pharmaceutical manufacturing, the ≥99.5% purity grade serves as a critical excipient. Its non-toxic, gentle nature makes it an indispensable component in oral suspensions, cough syrups, and elixirs, where it acts as a solvent to stabilize active pharmaceutical ingredients (APIs) while imparting a palatable viscosity. Additionally, it is heavily utilized in solid dose manufacturing as a plasticizer for tablet coatings, preventing the coating from becoming brittle and fracturing, which facilitates easier swallowing for the patient. Its thermal stability and moisture-retaining properties also make it a standard base matrix for medical suppositories and topical medicinal ointments.
Beyond human consumption and topical use, the technical grade variant is highly valued in heavy industry and chemical processing. In the manufacturing of paints, resins, and specialized coatings, it operates as a reliable plasticizer, enhancing the flexibility and durability of the finished film. The textile and paper industries utilize it as a lubricant to reduce friction during high-speed processing, preventing fiber breakage and improving operational throughput. In the tobacco industry, it is applied directly to the leaves as a humectant; by holding precise moisture levels, it prevents the tobacco from drying out and crumbling into dust during packaging, transport, and prolonged storage.
Storage Protocols: To preserve molecular stability and prevent unwanted moisture absorption from the atmosphere, the liquid must be kept in its original, hermetically sealed drums or IBC tanks. Store in a cool, well-ventilated warehouse at ambient room temperature, strictly avoiding prolonged exposure to direct ultraviolet light or extreme thermal fluctuations, which could temporarily alter its inherent viscosity.
Concentration Caution: While inherently safe, applying the undiluted 99.5% pure liquid directly to human skin is not advised. Due to its powerful hygroscopic pull, pure application can draw water out of the deeper skin layers, potentially causing temporary tightness or mild irritation. Always adhere to the recommended formulation dilution guidelines (typically below 30% for topical applications).
Allergy Check: Although plant-derived glycerol is hypoallergenic and widely tolerated, formulators should advise end-users with hyper-sensitive skin conditions to perform a standard patch test when introducing new cosmetic formulations. Discontinue application if any localized redness or itching manifests.
Food Safety & Cross-Contamination: Facility managers must ensure strict segregation between industrial and food/pharma grades. Only the designated ≥99.5% food-grade material, backed by the appropriate CoA, should be introduced into edible or medicinal production lines to maintain full compliance with international food safety and FDA/EMA regulations.
Selecting the appropriate specification is vital for balancing regulatory compliance with procurement cost-efficiency. We provide a clear selection framework: Our USP/FCC Pharmaceutical and Food Grade (≥99.5% purity) is mandatory for leave-on cosmetics, oral care, ingestible foods, and medicinal applications where human safety and stringent toxicity screening (like DEG absence) are legally required. Conversely, our Technical/Industrial Grade (≥95% purity) offers a highly economical, performance-driven alternative for wash-off detergents, industrial lubricants, paints, and agricultural formulations where extreme purity is not a regulatory necessity.
At a molecular level, the compound operates as a potent humectant. Its chemical structure contains hydroxyl groups that act like microscopic sponges, actively drawing moisture from the surrounding humid air and pulling it into the upper layers of the epidermis. Once absorbed, it helps to fortify the skin's natural lipid barrier, effectively locking the water in place to prevent transepidermal water loss (TEWL). This dual action of attracting and sealing moisture is what keeps skin feeling hydrated, soft, and structurally resilient against environmental stressors.
Yes, our food-grade variant is entirely safe for ingestion and is meticulously processed to meet or exceed global food safety frameworks. It complies with the Food Chemicals Codex (FCC) and is rigorously tested to ensure it is free from harmful heavy metals, microbiological pathogens, and chemical impurities. Because it is derived from 100% plant-based sources, it seamlessly integrates into vegan, Kosher, and Halal-certified food and beverage products, acting as a reliable, non-toxic texturizer and moisture-retaining agent in low-fat and processed edible goods.
