Sulfamic Acid Storage — H2NSO3H Descaling Tank Selection
Storing Sulfamic Acid? Start Here
Sulfamic acid ships as a dry white powder and gets dissolved on site to a 5–15% solution for descaling and clean-in-place work. It's a strong acid, but a friendlier one to handle than hydrochloric: it doesn't fume. The dissolved solution stores fine in a poly tank.
Can you store the solution in a poly tank? Yes.
A 5–15% sulfamic acid solution is compatible with HDPE/XLPE chemical-service tanks. Use PVC fittings and gaskets per the manufacturer chart. Because it doesn't give off corrosive fumes like HCl, vent placement is far less fussy — a standard atmospheric vent is fine.
The safety that actually matters
- Still a strong acid — eye/skin protection, eyewash nearby.
- Mix the powder into water (add solid to water) in a clean container; keep the dry product dry and away from bases.
- 110% secondary containment.
Common questions
- Does it fume like muriatic acid?
- No — that's its big handling advantage. No corrosive vapor cloud, so vent placement is simple.
- Poly tank OK for the solution?
- Yes — HDPE/XLPE chemical-service tank with PVC fittings.
- How is it supplied?
- As a dry powder you dissolve on site to 5–15%. Mix into water in a clean, dedicated container.
Sulfamic Acid storage tanks from OneSource
For sulfamic acid storage, specify HDLPE_OR_XLPE rated to specific gravity 1.9. Verified, compatibility-matched options:
- Snyder Industries 22 Gallon ASTM XLPE Black Heavy Duty Vertical Storage Tank (1.9 SG)
- Snyder Industries 150 Gallon XLPE Chemical Feed Station Tank (1.9 SG)
- Snyder Industries 500 Gallon ASTM XLPE Black Double Wall Tank (1.9 SG)
- Snyder Industries 1500 Gallon 45 Degree XLPE Cone Bottom Tank in White (1.9 SG)
- Snyder Industries 5000 Gallon XLPE Vertical Liquid Storage Tank with ASTM Certification (1.9 SG)
Confirm chemical compatibility and a ZIP freight quote with our team at 866-418-1777.
Storing a corrosive acid? Material of construction is everything.
Acids attack the wrong metals fast. These vendor-neutral guides help you match resin, liner, and containment to your acid and concentration.
Explore: FRP & Fiberglass Tanks · Double Wall Tanks · Chemical Compatibility
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.
- PubChem Compound Database — entry for Sulfamic Acid (CID 5987, CAS 5329-14-6). pubchem.ncbi.nlm.nih.gov. National Library of Medicine / NCBI. Canonical chemical-identity reference.
- 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.
- 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.
- 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).
- 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.
- 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.
- NIOSH Pocket Guide to Chemical Hazards — occupational exposure limits, PPE, and IDLH data for Sulfamic Acid. cdc.gov/niosh/npg. CDC / NIOSH chemical-specific occupational-safety reference.