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Sodium Selenite Storage — Na2SeO3 Selenium Micronutrient Tank Selection

Storing Sodium Selenite? Start Here

Sodium selenite is a white, water-soluble powder primarily used to add selenium to animal feed, amend selenium-deficient soils, and in pharmaceuticals. Selenium is vital for health, but there's a fine line between enough and too much. This means precise handling and storage are critical. Sodium selenite solutions are stable and slightly alkaline, making them suitable for various applications but requiring careful management to avoid toxicity.

Can you store it in a poly tank?

Yes, sodium selenite can be stored in polyethylene tanks. Both HDPE and XLPE are suitable for solutions up to saturation levels, making them a reliable choice for feed mills and pharmaceutical applications.

Key Issue: Precise Dosing

The biggest challenge with sodium selenite is its narrow safety margin. Accurate dosing systems are essential to ensure that selenium levels remain within safe limits, especially in animal feed and supplements.

The safety that actually matters

  • Ensure precise dosing to avoid toxicity.
  • Use appropriate personal protective equipment when handling.
  • Store in a well-ventilated area to prevent inhalation risks.

Common questions

Is sodium selenite safe for livestock?
Yes, when used in precise amounts. Overdosing can be toxic.
Can I use a standard poly tank for storage?
Yes, HDPE and XLPE tanks are suitable for sodium selenite solutions.
What should I do if I spill sodium selenite?
Clean up spills immediately while wearing protective gear and dispose of waste according to local regulations.

Sodium Selenite storage tanks from OneSource

For sodium selenite storage, specify HDLPE_OR_XLPE rated to specific gravity 1.9. Verified, compatibility-matched options:

Confirm chemical compatibility and a ZIP freight quote with our team at 866-418-1777.

Designing the storage system, not just picking a tank?

Vendor-neutral engineering guides from our custom fabrication team - material of construction, containment, and code, matched to your chemistry.

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Sources & References

All compatibility ratings, hazard classifications, and chemical identifiers on this page are sourced from authoritative third-party publications. Verify against the original references before final specification.

  1. PubChem Compound Database — entry for Sodium Selenite (CID 24934, CAS 10102-18-8). pubchem.ncbi.nlm.nih.gov. National Library of Medicine / NCBI. Canonical chemical-identity reference.
  2. Snyder Industries Chemical Resistance Recommendations — system-of-construction guidance for polyethylene chemical-storage tanks at industrial ASTM 1.9 SG design rating. SNY-3041 Chemical Resistance Chart. Snyder Industries, current edition. Resin + fitting + gasket + bolt MOC matrix.
  3. Equistar Technical Tip — Chemical Resistance of Polyethylene — LDPE / MDPE / HDPE rating chart by concentration and temperature, distributed by Enduraplas. enduraplas.com (PDF). Equistar polyethylene resin chemical-resistance data, distributed via Enduraplas.
  4. NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response. nfpa.org. NFPA 704 'fire diamond' health/flammability/instability/special-hazard rating system (0–4 scale).
  5. UN Globally Harmonized System of Classification and Labelling of Chemicals (GHS), current revision. unece.org/transport/ghs. GHS pictograms, signal words, and H-statement codes referenced in this guide.
  6. ASTM D1998 — Standard Specification for Polyethylene Upright Storage Tanks, current edition. astm.org. Cited as the design-specific-gravity standard (typically 1.9 SG) for industrial chemical-service polyethylene tanks.
  7. NIOSH Pocket Guide to Chemical Hazards — occupational exposure limits, PPE, and IDLH data for Sodium Selenite. cdc.gov/niosh/npg. CDC / NIOSH chemical-specific occupational-safety reference.

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