Petro 22N Powder is a naphthalene sulfonate designed for low foaming applications, serving as an anionic surfactant and wetting agent. It is utilized in home care and industrial and institutional (I&I) cleaning applications such as acid and alkaline cleaners, automatic dishwashers, carpet cleaners, and steam cleaners. Known for its anti-caking properties and ability to tolerate hard water, it features characteristics like detergency, hydrotroping, and low foaming, making it suitable for high-pressure cleaners and dry cleaners.

Chemical Name: Sodium Alkyl Naphthalene Sulfonate

Chemical Family: Naphthalene Sulfonates

Certifications & Compliance: Clean Air Act (CAA) Certified, Clean Water Act (CWA) Certified

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Enhanced TDS

Identification & Functionality

Features & Benefits

HII Features
Product Highlights
  • Low Foam: Petro® 22N is a low foaming surfactant with excellent hydrotropic and wetting properties for applications such as steam cleaning or soak formulations.
  • High Pressure: Petro® 22N can be used in high pressure spray cleaning applications and it will not clog spray nozzles.
  • Multi-purpose: Petro® 22N can be used in acid and alkaline systems, in de- scaling, automatic dish wash and other applications that include high temperature and or vigorous agitation.
  • Petro® 22N can also be used as an anticaking agents (e.g. copper sulfate, sodium bicarbonate, etc) and it has excellent hard water tolerance.

Applications & Uses


Physical Form
Tan powder, Tan powder (at 25°C)
Soluble in
5% Water
ValueUnitsTest Method / Conditions
Active Contentmin. 95.0%-
Active Content95.00 - 100.00%-
Salt Contentmax. 2.5%-
Unsulfonated Oilmax. 1.40%-
pH (at 5% in Water)7.5 - 10.0--
Surface Tension (at 25°C, 0.1% Solution)51mN/mDu Noüy (DIN 53914)
Wetting Power (at 25°C, 0.1% Solution)9secondsDraves Wetting Test
Foam Height (at 25°C, 0.25% Active)30mmRoss-Miles
ValueUnitsTest Method / Conditions
Moisture Contentmax. 2%-

Regulatory & Compliance

Packaging & Availability

Packaging Type
Supplied by
Packaging Information

50 lb bag and sample.

Storage & Handling

Storage Information

Keep the container closed in a dry well-ventilated area.