While proprietary, the SDS will list:
No reportable hazardous air pollutants under typical use, but the low pH drives the corrosive hazard.
Before diving into the MSDS, it is essential to understand what Nalco 3DT 449 is and is not. nalco 3dt 449 msds
Note: Do not confuse this with standard pool chlorine. 3DT 449 has a unique bromine base that remains more effective at higher pH levels (7.5–9.0) typical of cooling towers.
This is proprietary, but the SDS must list hazardous ingredients. Typical components include: While proprietary, the SDS will list:
Why this matters: The presence of hydantoins means that in the presence of water, the product releases both bromine and chlorine gases.
The 15-minute eyewash requirement is non-negotiable — not 2 minutes, not “until it stops stinging.” The MSDS reinforces the urgency. No reportable hazardous air pollutants under typical use,
Under the Hazard Communication Standard (29 CFR 1910.1200), if you use Nalco 3DT 449, you must:
