Nalco 77225 Safety Data Sheet May 2026

Some formulations may contain isothiazolinone-based preservatives (e.g., methylchloroisothiazolinone) which are potent skin sensitizers. Check your specific SDS for “May cause an allergic skin reaction.”

This section includes the revision date – the most critical piece of compliance information. A revision date of >3 years ago may indicate you have an outdated Nalco 77225 Safety Data Sheet. Always request the latest version.

This includes the date of preparation, last revision, and legends for abbreviations. Check the revision date – an SDS older than 3 years may be out of compliance. Nalco typically revises SDSs annually or after any formulation change. nalco 77225 safety data sheet

While proprietary blends are protected, the SDS must disclose hazardous components. For Nalco 77225, common ingredients include:

| Chemical Name | CAS Number | Typical % (Approx.) | Role | | :--- | :--- | :--- | :--- | | Phosphonic acid derivatives | Proprietary | 10-30% | Scale inhibition | | Tolyltriazole (or Benzotriazole) | 29385-43-1 | 1-5% | Copper corrosion protection | | Inorganic acids (e.g., Sulfuric or Phosphoric) | 7664-93-9 / 7664-38-2 | 5-15% | pH adjustment, stability | | Water | 7732-18-5 | Balance | Carrier | This section includes the revision date – the

Note: This mixture contains no reportable levels of carcinogens (as per NTP, IARC, or OSHA) in standard formulations, but the low pH makes it corrosive.

Nalco 77225 typically ships as a corrosive liquid. This includes the date of preparation, last revision,

For air transport (IATA), additional packaging instructions (PI 852) apply.