With 99% purity and food-grade certification, you can ensure safety and compliance in edible and pharmaceutical applications.
With molecular weights ranging from 200 to 8000, you can optimize solubility and viscosity for precise formulation needs.
As a dual-function surfactant and adsorbent, you can stabilize formulations in cosmetics, pharmaceuticals, and food products.
With certifications for food and cosmetic grades, you can meet strict regulatory requirements across industries.
Available in flake, liquid, and powder forms, you can select the optimal form for your production process.
Polyethylene Glycol (PEG) CAS 25322-68-3 is a versatile chemical auxiliary agent available in molecular weights from 200 to 8000. Offered in flake, liquid, and powder forms, it meets food and cosmetic grade standards with 99% purity. Its dual functionality as an adsorbent (activated carbon variety) and surfactant makes it ideal for applications requiring solubility, emulsification, and stabilization.
Feature | Specification | Benefit |
---|---|---|
Material | PEG molecular weights: 200, 4000, 6000, 8000 | Customizable viscosity and solubility levels |
Form | Flake, liquid, powder | Adaptable to formulation needs |
Grade | Food grade, cosmetic grade | Ensures safety for ingestible or topical use |
Purity | 99% | Minimizes impurities for critical applications |
Adsorbent Variety | Activated carbon integrated | Enhances purification and stabilization |
Function | Surfactant, humectant, emulsifier | Improves product stability and texture |
Adjustable parameters:
With PEG’s broad molecular weight range and purity, you can create stable formulations for diverse industries. For example, use PEG-200 in skincare lotions for enhanced spreadability or PEG-8000 in drug delivery systems for optimal solubility.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Molecular Weight | 200–4000 | 200–6000 | 200–8000 |
Purity | 99% | 99.5% | 99.9% |
Application Scope | General industrial | Cosmetic/pharmaceutical | Research-grade |
Adsorbent Capacity | Standard | +15% | +30% |
Technical Breakthroughs:
Version Selection Guide:
With the Pro Model’s triple-certified chemical resistance, you can safely formulate with aggressive solvents while maintaining stability. Pair its high purity with activated carbon adsorbent properties to create contaminant-free emulsions for injectable drugs.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Food Grade PEG-8000 | Food additives, pharmaceuticals | Powder form (ISO 3104), ≥99% purity (ISO 6353-2) ▲▲ (Exceeds industry standard 98%) | Safe for oral ingestion, minimal impurities (FDA 21 CFR 178.3620 compliant) | Higher cost vs industrial grades, requires humidity-controlled storage |
Cosmetic Grade PEG-4000 | Skincare, lotions | Flakes (ISO 3104), viscosity 1000 cP (ASTM D2196), biocompatible (ISO 10993) | Enhances texture stability, reduces irritation risk | Prone to clumping if not stored at 20–25°C (▲ icon: Stable in controlled conditions) |
Liquid PEG-200 | Solvents, industrial cleaners | Viscosity 20 cP (ASTM D445), flash point >200°C (ISO 2592) ▲▲▲ (Safer than ethanol) | Low volatility, easy handling | Not suitable for high-temperature processes (>150°C) |
Surfactant Type PEG-400 | Detergents, emulsifiers | CMC ≤0.1% (ISO 307), surface tension 35 mN/m (ASTM D1331) ▲ (30% lower than rivals) | Effective at low concentrations, stabilizes emulsions | Requires pH adjustment (▲▲: Compatible with pH 4–8 without pre-treatment) |
Adsorbent PEG (Activated Carbon Blend) | Water purification, air filters | Adsorption capacity 50g/100g (ASTM D3864) ▲▲ (20% higher than industry avg) | Efficient contaminant removal, long service life | Limited capacity vs pure activated carbon, requires pre-treatment for oils |
High Purity PEG-6000 | Lab reagents, specialty chemicals | ≥99.5% purity (ISO 6353-2) ▲▲▲ (99.9% in Advanced tier), water solubility 100g/100mL | Ultra-pure for critical applications, consistent solubility | Niche demand drives higher pricing, requires certified lab handling |
⭐⭐⭐⭐⭐ Dr. Elena Rodriguez - Pharmaceutical R&D Lab
"We’ve been using the SIMEL Pro Model PEG-8000 (powder form) for oral drug delivery systems since February 2025, and the results have been outstanding. The 99.9% purity is critical for our injectable formulations, and the molecular weight consistency ensures reproducible solubility every time. Pairing it with activated carbon for purification has significantly reduced impurities in our final emulsions. This isn’t just a reagent—it’s a performance enhancer in our lab."Purchase Date: February 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Maya Patel - Indie Skincare Brand Founder
"I started my clean beauty line in late 2024 and chose the Advanced Model PEG-4000 (flakes) for its cosmetic-grade biocompatibility. It blends smoothly into lotions without grittiness, and the +15% adsorbent capacity helps stabilize our natural extracts. I was nervous about handling chemical agents, but the flakes dissolve evenly and store well if kept sealed. After 7 months of weekly production batches, I haven’t had a single formulation fail due to clumping or separation."Purchase Date: October 2024 | Usage Period: 8 months
⭐⭐⭐⭐☆ James Wu - Home Fermentation & Gelling Experiments
"As someone who experiments with molecular gastronomy, I needed a food-safe emulsifier that wouldn’t compromise flavor. The Base Model PEG-8000 (powder) from SIMEL, purchased in January 2025, has been reliable for creating stable gels and foams. Dissolves cleanly in warm liquids, and the FDA compliance gives peace of mind when serving to guests. Only downside is the need for precise humidity control—left the container open once, and slight clumping occurred. Otherwise, excellent for small-scale culinary innovation."Purchase Date: January 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Dr. Amina El-Sayed - Chemical Processing Plant
"Our team evaluated three PEG suppliers before selecting SIMEL’s Pro Model PEG-6000 (liquid form) for high-viscosity suspension development. What sold us was the triple-certified chemical resistance and compatibility with aggressive solvents. Over the past 4 months, we’ve run over 30 batch trials with zero degradation or phase separation. The low volatility of liquid PEG-200 variants also improves workplace safety compared to ethanol-based alternatives. For research-grade applications demanding precision, this is the gold standard."Purchase Date: March 2025 | Usage Period: 4 months
⭐⭐⭐⭐☆ Carlos Mendez - Environmental Tech Contractor
"Used the Adsorbent PEG (activated carbon blend) in a pilot water filtration project starting December 2024. Its 50g/100g adsorption capacity outperformed standard filters by nearly 20%, especially in removing organic contaminants from runoff water. Easy to integrate into existing systems, though we did need to pre-treat oily inputs to avoid clogging. After 7 months, efficiency remains high with minimal replacement needed. Great solution for eco-focused purification setups where consistency matters."Purchase Date: December 2024 | Usage Period: 7 months
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