HDPE Chemical Compatibility Guide: Complete Storage Chart
> Looking for UN-certified pails for chemical storage? PailHQ's M2 5-Gallon HDPE Pails are UN 1H2/Y27/S certified, FDA-approved, and compatible with most industrial chemicals. Get Bulk Pricing → or call 954-594-2108.
| Chemical | Compatibility | Rating | Notes |
|---|---|---|---|
| Nitric Acid (70%) | Conditional | C | Short-term exposure only. Test before use. |
| Acetone | Not Compatible | D | Causes crazing and swelling. Do not use. |
| Bleach / Sodium Hypochlorite | Compatible | A | Excellent resistance at concentrations up to 10%. |
| Hydrochloric Acid (37%) | Compatible | A | Good resistance. Standard industrial concentrations. |
| Sulfuric Acid (98%) | Conditional | C | Acceptable at low concentrations only (<50%). |
| Ethanol / Isopropanol | Compatible | A | Excellent resistance. Common in food/pharma use. |
| Hydrogen Peroxide (30%) | Compatible | A–B | Suitable for food-grade sanitation applications. |
| Gasoline / Petroleum Distillates | Not Compatible | D | HDPE absorbs petroleum. Use only for transport. |
| Sodium Hydroxide (50%) | Compatible | A | Excellent resistance to caustics and lye solutions. |
| Ammonium Hydroxide | Compatible | A | Good resistance. Agricultural and cleaning use. |
| Methylene Chloride | Not Compatible | D | Highly aggressive solvent. Use PTFE or stainless. |
| Phosphoric Acid (85%) | Compatible | A | Good resistance. Common in food and ag applications. |
Rating scale: A = Excellent (continuous use) · B = Good (intermittent use) · C = Conditional (short-term/low concentration only) · D = Not recommended
Need a pail rated for your specific chemical?
PailHQ stocks UN-certified HDPE pails for industrial, food-grade, and hazmat applications. Get a compliance spec sheet for your application.
href="/quote" class="shrink-0 inline-flex items-center px-5 py-3 bg-blue-600 text-white text-sm font-semibold rounded-lg hover:bg-blue-700 transition-colors" > Get a spec sheet →
Chemical Compatibility Index
For detailed safety data, concentration limits, and industry-specific storage guidelines, explore our individual chemical compatibility reports:
- HDPE & Sodium Hydroxide (Caustic Soda) — Why HDPE is the preferred choice for NaOH storage.
- HDPE & Hydrogen Peroxide — Concentration limits and stabilizer requirements.
- HDPE & Methanol — Understanding permeation rates and safe transport.
- HDPE & Nitric Acid — Critical safety limits for oxidizing acids.
- HDPE & Sulfuric Acid — Safe concentrations for battery acid and industrial use.
- HDPE & Hydrochloric Acid — Why HDPE excels with HCl (muriatic acid).
- HDPE & Acetone — Why ketones are NOT compatible with polyethylene.
- HDPE & Gasoline — Fuel storage rules and aromatic permeation.
- HDPE & Chromic Acid — Why strong oxidizers attack HDPE.
- HDPE & Perchloric Acid — Safety critical guidelines for hazardous acids.
What Chemicals Are Compatible with HDPE?
HDPE (High-Density Polyethylene) is compatible with: most acids up to 50% concentration, alcohols (methanol, ethanol, isopropanol), bases (sodium hydroxide, potassium hydroxide), hydrogen peroxide up to 30%, salts, and water-based solutions.
HDPE is NOT compatible with: aromatic solvents (benzene, toluene, xylene), ketones (acetone, MEK), chlorinated hydrocarbons, and strong oxidizing acids like concentrated nitric acid.
This makes HDPE ideal for hazmat shipping containers and food-grade storage.
Quick Compatibility Check
Need the full chart? Keep scrolling for 50+ chemicals with detailed compatibility ratings.
High-density polyethylene (HDPE) containers are the industrial standard for chemical storage, but understanding chemical compatibility is critical for safety, regulatory compliance, and preventing costly incidents. This guide provides comprehensive information for safe HDPE chemical storage practices.
Ready to Order UN-Certified HDPE Pails?
Our M2 5-Gallon HDPE Pails are UN 1H2/Y27/S certified for hazmat transport and feature broad chemical compatibility. Trusted by chemical manufacturers, paint companies, and food processors nationwide.
- Bulk pricing from $9.99/unit
- Free freight quotes
- Made in USA
Get Your Bulk Quote → | View Product Specs → | Email: sales@pailhq.com
Industrial Applications Using HDPE
Different industries rely on HDPE pails for their specific chemical storage needs. Learn more about industry-specific solutions:
- Chemical Storage Solutions — Optimize your chemical logistics with UN-certified HDPE
- Food Processing Containers — FDA-compliant storage for food manufacturers
- Janitorial & Cleaning — Bulk containers for commercial cleaning products
HDPE Chemical Compatibility Chart
Excellent Compatibility (A-Rated)
These chemicals can be safely stored long-term in HDPE containers:
Acids (Weak to Moderate):
- Acetic acid (up to 80%)
- Citric acid (all concentrations)
- Lactic acid (all concentrations)
- Phosphoric acid (up to 85%)
- Boric acid (saturated solution)
Bases:
- Sodium hydroxide (up to 50%)
- Potassium hydroxide (up to 50%)
- Ammonium hydroxide (up to 30%)
- Calcium hydroxide (saturated)
Salts and Aqueous Solutions:
- Sodium chloride (brine)
- Calcium chloride (all concentrations)
- Potassium chloride
- Magnesium sulfate
- Sodium sulfate
Alcohols:
- Methanol (up to 100%)
- Ethanol (up to 95%)
- Isopropanol (up to 100%)
- Glycerin (all concentrations)
Others:
- Hydrogen peroxide (up to 30%)
- Vegetable oils
- Animal fats
- Liquid soaps and detergents
Good Compatibility (B-Rated)
Safe for short-term storage but monitor regularly:
- Hydrochloric acid (>20%)
- Sulfuric acid (>50%)
- Nitric acid (>40%)
- Formaldehyde (>37%)
Not Recommended (C/D-Rated)
Avoid storing these in HDPE:
❌ Aromatic Solvents:
- Benzene
- Toluene
- Xylene
❌ Ketones:
- Acetone
- MEK (methyl ethyl ketone)
- MIBK (methyl isobutyl ketone)
❌ Strong Oxidizers:
- Concentrated nitric acid (>70%)
- Concentrated sulfuric acid (>90%)
- Chromic acid
❌ Chlorinated Solvents:
- Carbon tetrachloride
- Chloroform
- Methylene chloride
HDPE Solvent Compatibility: Complete Guide
Many industrial applications require storing solvents in HDPE containers. Here's the complete breakdown of HDPE solvent compatibility:
Solvents COMPATIBLE with HDPE (Safe for Storage)
| Solvent | Concentration | Compatibility Rating | Notes |
|---------|--------------|---------------------|-------|
| Methanol | Up to 100% | Excellent (A) | Safe for long-term storage |
| Ethanol | Up to 95% | Excellent (A) | Denatured or pure |
| Isopropanol (IPA) | Up to 100% | Excellent (A) | Common cleaning solvent |
| Glycerin/Glycerol | All concentrations | Excellent (A) | Used in food/pharma |
| Ethylene glycol | All concentrations | Good (B) | Antifreeze applications |
| Mineral spirits | All concentrations | Good (B) | Monitor for slight swelling |
Solvents NOT COMPATIBLE with HDPE (Avoid)
| Solvent | Issue | Alternative Container |
|---------|-------|---------------------|
| Acetone | Causes stress cracking | Glass, stainless steel |
| MEK (Methyl Ethyl Ketone) | Degrades HDPE rapidly | Metal containers |
| MIBK | Swelling and softening | Metal containers |
| Toluene | Permeation and swelling | Metal, fluorinated HDPE |
| Xylene | Permeation and swelling | Metal, fluorinated HDPE |
| Benzene | Permeation | Metal, fluorinated HDPE |
| Chloroform | Permeation | Glass |
| Methylene chloride | Attacks HDPE | Glass, stainless steel |
Key Factors Affecting Solvent Compatibility
- Temperature - Higher temps increase permeation risk
- Concentration - Pure solvents more aggressive than diluted
- Exposure time - Long-term storage more critical than short-term
- Container stress - Filled containers under load are more vulnerable
Need UN-certified pails for solvent storage? Our M2 5-Gallon HDPE Pails are compatible with alcohols, glycols, and many industrial solvents. For aggressive solvents, ask about our fluorinated options. Get a quote →
For hazmat transport requirements, see our dangerous goods pails guide.
Shipping hazardous solids? See our UN solid certified pails (1H2/Y27/S) for DOT-approved containers. Shipping hazardous liquids? See our UN liquid certified pails (1H1/Y1.4/S) for pressure-tested options.
Ready to Order? Get a free freight quote for UN-certified HDPE pails delivered to your facility. Request Bulk Pricing →
Safety Best Practices
Temperature Considerations
Safe Operating Range: 40°F to 140°F
Maximum Short-Term: 180°F (hot-fill operations)
Minimum: -40°F (cold storage)
Temperature Effects:
- Above 140°F: Increased permeation risk
- Above 180°F: Potential warping/deformation
- Below 40°F: Increased brittleness
Ventilation Requirements
Volatile Chemicals:
- Store in well-ventilated areas
- Minimum 6 air changes per hour
- Explosion-proof ventilation for flammable materials
Odorous Chemicals:
- HDPE has low permeability but isn't completely odor-proof
- Dedicated storage areas recommended
- Consider vapor barriers for strong-smelling substances