Glycerol-Glycerin 99.5% Liquid
Product Name: Glycerol
Common Name: Glycerin
Chemical Name: 1,2,3-Propanetriol
INCI Name: Glycerin
CAS Number: 56-81-5
EINECS Number: 200-289-5
Molecular Formula: C₃H₈O₃
Molecular Weight: 92.09
Purity: ≥99.5% (Cosmetic Grade), ≥99.7% (Food Grade)
Appearance: Colorless, odorless, transparent viscous liquid with sweet taste
Solubility: Miscible freely with water and ethanol; insoluble in oils and organic solvents
MOQ: 1kg sample, 25kg drum, 250kg drum, IBC tank
Packaging: 25kg HDPE plastic drum, 250kg iron drum, 1000kg IBC tank
Shelf Life: 36 months under sealed, cool and dry storage
Glycerol, Glycerin, 1,2,3-Propanetriol, CAS 56-81-5, cosmetic grade glycerin, plant glycerol, cosmetic humectant, bulk glycerol supplier
Glycerol-Glycerin 99.5% Liquid （CAS 56-81-5）
Glycerol (Glycerin) is a natural ternary polyhydric alcohol extracted from vegetable oil, one of the most essential and mild humectants in global cosmetic and food industries. With three hydrophilic hydroxyl groups in molecular structure, it can capture moisture from air continuously and form a breathable protective film on skin surface to lock moisture efficiently.
This product adopts advanced vegetable oil refining process, no animal-derived ingredients, no residual harmful solvent, low impurity content. It features excellent compatibility with all cosmetic preservatives, surfactants and functional additives. Glycerol has no usage concentration limit worldwide, with ultra-low irritation and high safety, suitable for sensitive skin, infant care and organic clean beauty formulas.
Core Benefits
• Excellent Moisturizing Performance: Triple hydrophilic groups capture air moisture rapidly, relieve dry skin, improve rough cuticles and prevent product dehydration stratification
• Ultra-high Safety: FDA GRAS approved, non-irritating, non-sensitizing, friendly to sensitive skin, infant and eye-contact formulas
• Wide Formula Compatibility: Perfectly compatible with all preservatives we supply, including Phenoxyethanol, Ethylhexylglycerin, Caprylyl Glycol
• Multi-functional Raw Material: Works as humectant, solubilizer, antifreeze agent and viscosity regulator in one formula
• Stable Chemical Property: Stable under wide pH range (3-11), no color change and no deterioration after high-temperature sterilization
• Cost-effective Basic Raw Material: Competitive bulk price, stable batch quality, effectively reduce overall formula cost
Applications
• Cosmetics & Personal Care: Facial lotion, cream, essence, facial mask, toner, shampoo, body wash, toothpaste, wet wipes, makeup products; recommended dosage: 2%-10%
• Food Industry: Bread, pastry, candy, beverage, meat products; used as humectant, sweetener and anti-caking agent; recommended dosage: 0.5%-3%
• Pharmaceutical Industry: Ointment substrate, oral liquid excipient, medical lubricant, skin repair ointment
• Daily Chemicals: Hand sanitizer, detergent, softener, household care products
• Industrial Field: Water-based coating antifreeze, textile softener, paper humectant, industrial solvent, resin synthesis raw material
COA Certificate of Analysis
Test Item | Standard | Test Result |
Product Name | Glycerol | Glycerol |
Appearance | Colorless clear viscous liquid | Complied |
Glycerol Content | ≥99.5% | 99.68% |
Water Content | ≤0.5% | 0.22% |
Refractive Index | 1.470-1.475 | 1.4725 |
Diethylene Glycol | ≤0.1% | 0.03% |
Heavy Metal | ≤2ppm | <0.5ppm |
Microorganism | No bacteria, mold and yeast | Complied |
Conclusion | Qualified | PASSED |
Frequently Asked Questions (FAQ) & Document Request Frequently Asked Questions (FAQ) & Document Request
Q1: Will glycerol cause sticky skin feeling in skincare products?
A: Proper dosage (2%-10%) will not cause stickiness. Excessive addition over 15% leads to sticky feeling. We provide free formula guidance to optimize dosage.
Q2: Does glycerol need high temperature heating during feeding?
A: It can be dissolved with water directly at room temperature. Heating below 60℃ is acceptable; avoid long-time heating above 80℃ to prevent color deepening.
Q3: Can glycerol mix with your preservative series?
A: 100% compatible. It can enhance moisturizing effect and reduce irritation of whole preservative system.
Q4: Why control diethylene glycol strictly?
A: Diethylene glycol is toxic forbidden impurity in cosmetics. Our products keep diethylene glycol below 0.1% to meet global safety standards.
Q5: What is the storage requirement for glycerol?
A: Keep sealed, store in cool and dry place, avoid direct sunlight. It will not freeze at normal room temperature due to low freezing point.
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