Glycerin
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Brooks Glycerin 21​

The Final Information to Pharmaceutical & Meals Grade Glycerol (Glycerin) – Supply, Advantages & High quality

  1. English Name: Glycerin (also known as Glycerol)
  1. Specification
    • Purity: ≥ 99.5% (HPLC)
    • Solubility: Highly soluble in water; miscible with ethanol and propylene glycol
    • Specific Gravity: 1.260 – 1.265 g/cm³ (25°C)
    • pH Value: 5.0 – 7.0 (50% aqueous solution)
    • Heavy Metals: ≤ 10 ppm
  1. Appearance: Clear, colorless, viscous liquid with a sweet taste; odorless, no chocolate aroma
  1. CAS NO.: 56-81-5
  1. Lead time: 3 – 7 Working Days
  1. Package: 5 kg, 25 kg plastic drums; 200 kg, 1000 kg IBC totes
  1. Main Market: Europe, North America, Asia, etc.
  1. Application Scenarios

Key Features

  • Hygroscopic: Attracts and retains moisture from the air, enhancing hydration
  • Non-toxic: GRAS (Generally Recognized as Safe) for food, cosmetic, and pharmaceutical use
  • Versatile: Compatible with most organic and inorganic substances
  • Stable: Resistant to oxidation; stable under normal storage conditions

Industry Applications

  1. Cosmetics & Skincare
    • Moisturizers: Added to creams, lotions (5 – 20% concentration) to lock in moisture
    • Cleansers: Included in facial washes and body washes to prevent over-drying
    • Hair Care: Used in shampoos and conditioners to hydrate hair and scalp
    • Lip Products: A key ingredient in lip balms and glosses to prevent chapping
  1. Pharmaceuticals
    • Ointments: Used as a base in topical creams for dry skin conditions
    • Oral Care: Added to toothpaste and mouthwash for its humectant properties
    • Expectorants: Included in cough syrups to loosen mucus
  1. Food & Beverage
    • Sweetener: Used in low-fat foods, confectionery, and beverages as a low-calorie sweetener
    • Preservative: Helps maintain moisture in baked goods and processed foods
    • Thickener: Added to sauces, dressings, and dairy products to improve texture
  1. Industrial
    • Personal Care: Used in soaps and detergents to reduce skin irritation
    • Tobacco: Added to cigarettes to maintain moisture and improve taste
    • Automotive: Used in antifreeze formulations for its low freezing point
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Glycerin (Glycerol) – High-Purity Cosmetic & Food Grade Humectant | Bulk Supply from AIHerba®

CAS No.: 56-81-5
Molecular Formula: C₃H₈O₃
Appearance: Clear, colorless, viscous liquid
Purity: ≥ 99.5%
Botanical Source / Production Origin: Natural plant-based (derived from vegetable oils such as palm or soybean)

(1) Product Overview

Glycerin, also known as glycerol, is a naturally occurring polyol compound used as a moisturizer, humectant, and solvent across cosmetics, pharmaceuticals, food & beverage, and health supplements. AIHerba® supplies high-purity, USP / EP / FCC-grade glycerin produced through advanced hydrolysis and purification technology to meet international quality standards.

Our glycerin is 100% plant-based, non-GMO, and GMP-certified, offering superior stability, clarity, and consistency for industrial applications.

(2) Source & Production Process

Raw Material Origin: Renewable vegetable oils (palm, soybean, coconut)
Manufacturing Process:

  1. Hydrolysis – Triglycerides are hydrolyzed into fatty acids and crude glycerol.

  2. Purification – Removal of salts, methanol, and water via multiple distillation stages.

  3. Refining – Activated carbon and ion exchange treatment for color and odor removal.

  4. Filtration & Polishing – Ensures clear, colorless final product with ≥99.5% purity.

  5. Quality Control – Each batch undergoes testing for purity, moisture, heavy metals, and microbial contamination according to USP/FCC/EP standards.

(3) Benefits & Functional Properties

Application Key Benefits
Cosmetics & Skincare Deep moisturizing, enhances skin barrier, improves formulation stability.
Pharmaceuticals Used as a solvent, emollient, and sweetener in syrups and topical formulations.
Food & Beverage Functions as humectant, sweetener, and preservative to retain moisture and texture.
Health Supplements Acts as a carrier and stabilizer for herbal extracts and actives.
Industrial Use Used in personal care, toothpaste, herbal gel, soft capsule, and e-liquid formulations.

(4) Health & Safety Profile

  • GRAS (Generally Recognized As Safe) by the U.S. FDA

  • Non-toxic, biodegradable, and non-irritating to the skin

  • Vegan and allergen-free

  • Suitable for clean-label, natural, and sustainable formulations

Reference:

(5) Specification & COA Summary

Product Specification Table (Typical Values)

Item Specification Testing Method
Appearance Clear, colorless, viscous liquid Visual
Glycerin Content ≥ 99.5% GC / USP Method
Water ≤ 0.5% Karl Fischer
Ash ≤ 0.01% USP 281
pH (5% solution) 5.0 – 8.0 USP 791
Odor Odorless Organoleptic
Density (20°C) 1.26 g/cm³ ASTM D4052

Pesticide Residue Testing

Parameter Limit (mg/kg) Testing Method
Organochlorine pesticides ≤ 0.01 GC-MS
Organophosphorus pesticides ≤ 0.01 GC-MS
Pyrethroid pesticides ≤ 0.01 HPLC

Heavy Metal Testing

Element Limit (ppm) Testing Method
Lead (Pb) ≤ 1.0 ICP-MS
Arsenic (As) ≤ 1.0 ICP-MS
Cadmium (Cd) ≤ 0.5 ICP-MS
Mercury (Hg) ≤ 0.1 ICP-MS

Microbiological Analysis

Parameter Limit (cfu/g) Testing Method
Total Plate Count ≤ 1,000 USP <61>
Yeast & Mold ≤ 100 USP <61>
E. coli Negative USP <62>
Salmonella Negative USP <62>
Staphylococcus aureus Negative USP <62>

(6) Storage & Shelf Life

  • Storage: Store in a tightly sealed container in a cool, dry place away from direct sunlight.

  • Shelf Life: 24 months from the manufacturing date under recommended conditions.

(7) Packaging & MOQ

Packaging Type Specification
Drum 250 kg / HDPE drum
IBC Tote 1200 kg / IBC tank
Sample 500 mL sample available upon request
MOQ 1 Drum (250 kg)

(8) Shipping & Sample Policy

  • Free 100–500 mL sample for testing available.

  • Lead Time: 7–15 working days after order confirmation.

  • Shipping Options: Air (FedEx, DHL), sea freight, or courier based on destination.

  • Customs Support: Full documentation (MSDS, COA, TDS, export certificate).

(9) Recommended Usage & Formulation Guide

Industry Suggested Use Level Formulation Role
Cosmetics 1–10% Humectant, moisturizer
Food & Beverage 0.1–5% Sweetener, humectant
Pharmaceuticals 2–15% Solvent, emollient
Supplements 1–8% Carrier, stabilizer

(10) Applications & Industry Solutions

1. Cosmetics & Personal Care: Facial creams, body lotions, serums, toners, shampoos, and toothpaste.
2. Food & Beverage: Low-calorie sweeteners, bakery, beverages, and dairy products.
3. Pharmaceutical Formulations: Syrups, suppositories, topical ointments.
4. Nutraceuticals: Liquid herbal extracts, softgel fillers, and gummies.
5. Industrial Applications: Tobacco humectants, e-liquids, and lubricant additives.

(11) Certifications & Quality Assurance

✅ GMP, ISO9001, HACCP certified factory
✅ USP / FCC / EP compliance
✅ Halal & Kosher certified
✅ Non-GMO, Vegan-friendly
✅ Full traceability & COA available per batch

(12) About AIHerba®

AIHerba® (Shaanxi Zhonghong Investment Technology Co., Ltd.) is a GMP-certified manufacturer and exporter with 28+ years of experience in botanical extracts, natural ingredients, and functional raw materials.
We specialize in OEM & ODM services for cosmetics, pharmaceuticals, functional foods, and dietary supplements.

Contact Us:
📧 sales@aiherba.com | info@aiherba.com | liaodaohai@gmail.com
🌐 www.aiherba.com

(13) Frequently Asked Questions (FAQ)

Q1: Is AIHerba® Glycerin plant-based?
Yes, our glycerin is 100% vegetable-derived from sustainable palm or soybean oil sources.

Q2: What grades of glycerin do you supply?
We offer USP, EP, FCC, and food-grade glycerin suitable for cosmetics, food, and pharmaceutical use.

Q3: Can you provide glycerin with customized purity or blends?
Yes, we support customized formulation and packaging (OEM/ODM) per client requirements.

Q4: What’s the shelf life and storage condition?
24 months when stored in a cool, sealed environment away from light and heat.

Q5: Do you provide samples for testing?
Yes, free samples (100–500 mL) are available for quality evaluation before bulk order.

(14) References

  1. U.S. FDA GRAS Notice: Glycerin

  2. PubMed: Glycerol Applications and Biocompatibility

  3. NIH: Glycerol Safety and Metabolic Role

  4. [European Pharmacopoeia (EP) 10.0 – Glycerol Monograph]

  5. [FCC (Food Chemicals Codex) – Glycerin Specifications]

  6. United States Pharmacopeia (USP). “Monograph: Glycerin.” USP-NF.

  7. European Pharmacopoeia (Ph. Eur.). “Monograph: Glycerol (0497).” tenth Version.

  8. Meals Chemical compounds Codex (FCC). “Monograph: Glycerin.” twelfth Version.

  9. Joint FAO/WHO Knowledgeable Committee on Meals Components (JECFA). “Glycerol.” Monographs & Evaluations.

  10. U.S. Meals and Drug Administration (FDA). “Code of Federal Rules Title 21: Substances Usually Acknowledged As Protected (GRAS).”

  11. Beauty Ingredient Assessment (CIR). “Security Evaluation of Glycerin as Utilized in Cosmetics.” Last Report, 2016.

  12. Nationwide Heart for Biotechnology Data (2023). PubChem Compound Abstract for CID 753, Glycerol.

  13. Fluhr, J. W., et al. (2008). “Glycerol regulates stratum corneum hydration in sebaceous gland poor (asebia) mice.” Journal of Investigative Dermatology.

  14. Zheng, Y., et al. (2021). “Catalytic Valorization of Glycerol to Worth-Added Chemical compounds.” ChemSusChem.

  15. Worldwide Council for Harmonisation (ICH). “Guideline Q3D (R2) on Elemental Impurities.” (2022).

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