Datasheet summary
Nalco 7330
Engineering summary from PDF text extraction for Nalco 7330. Verify every value with the OEM datasheet.
Summary
Product identification
NALCO® 7330 is a broad-spectrum, nonoxidizing biocide for use in recirculating cooling towers, closed loop cooling systems, air washers, and brewery pasteurizers.
Physical & Chemical Properties
- Form: Liquid
- Color: Pale Yellow to Green
- Odor: Mild
- Solubility In Water: Complete
- Density: 8.6 lb/gal
- Specific Gravity: 1.03
- pH (Neat): 3.0-5.0
- Freeze-Thaw Recovery: Complete
- Freeze Point: -4°C (25°F)
- Flash Point (PMCC): None (TCC)
Active Constituents
- 5-chloro-2-methyl-4-isothiazolin-3-one (Biocide)
- 2-methyl-4-isothiazolin-3-one (Biocide)
Regulatory Approvals
- United States: EPA Registration Number 1706-153 for Industrial Cooling Tower Systems and Process Water Systems, Industrial Recirculating Closed Loop Water Cooling Systems, Air Washer Systems and Brewery Pasteurizers, and Pulp and paper mill influent water systems (not authorized in California for the latter).
- Canada: PCPA Registration Number 17338 for Industrial Recirculating Cooling Water Systems and Industrial Process Water Systems.
Materials of Compatibility
Compatible:
- Buna-N
- Hypalon
- Plasite 4005
- Polyethylene
- Polyvinyl chloride (PVC)
- Plasite 6000
- Plasite 7122
- Teflon
- Vinyl Tubing
- Stainless Steel 304
- Stainless Steel 316L
Not Compatible:
- Aluminum
- Brass
- Carbon Steel
- Neoprene
- Nickel
Dosage and Feeding
NALCO 7330 should be fed via a closed feed system. Consult your Nalco sales engineer for complete dosage and feeding recommendations.
Environmental and Toxicity Data
- Biological Oxygen Demand (5-day BOD₅): Not Available
- Chemical Oxygen Demand (COD): 20,000 ppm
- Total Organic Carbon (TOC): 7,850 ppm
Safety and Handling
NALCO 7330 is a CORROSIVE MATERIAL that may cause allergic skin reactions.
Storage
The recommended in-plant storage limit for NALCO 7330 is six months.
Disclaimer
This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.
Official datasheet (PDF)
Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.