C-9

C-9 is a colorless, odorless, inorganic liquid used primarily as a corrosion inhibitor in industrial systems. It is a mixture containing phosphoric acid and zinc chloride, designed to protect metal surfaces in various chemical and water treatment applications.

CAS No:- Phosphoric Acid: 7664-38-2, Zinc Chloride: 7646-85-7

We supply both Fresh and Recovered grades based on your requirements

Formula

H₃PO₄ & ZnCl₂

Main Uses

Corrosion Inhibitor in Industrial Systems

Appearance

Colorless, Odorless Liquid

Handling

Corrosive – Use Extreme Caution

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Safety Highlights

C-9 is a corrosive and toxic inorganic liquid. It poses serious health and environmental hazards, including burns, inhalation toxicity, and aquatic harm. Proper PPE, emergency planning, and handling protocols are critical.

Flammable Liquid

Causes severe burns to skin and eyes. Not flammable, but decomposes into toxic fumes.

Toxic on Contact

Harmful if swallowed or inhaled. Respiratory irritation and tissue damage are possible.

Corrosive Agent

If exposed, flush with water and seek medical attention. For spills, contain and absorb safely.

Emergency Measures

Store in tightly sealed containers in a well-ventilated area. Keep locked and away from incompatible materials (e.g., strong bases).

Proper Storage

UN No: UN3264 | DOT Hazard Class: 8 (Corrosive)

Regulatory ID

Packing Group: III | Marine Pollutant: Yes (Zinc Chloride)

Environmental Care

Very toxic to aquatic life. Do not release into drains, soil, or natural waterways.

PPE Required

Gloves, goggles, face shield, chemical-resistant clothing, and respirator when airborne exposure is possible.

Frequently Asked Questions

Find quick answers about C-9’s usage, risks, and safe handling practices. Always consult the SDS for detailed guidance.

What is C-9 used for?

C-9 is used as a corrosion inhibitor in water treatment and chemical processing systems.

Is C-9 flammable?

No, C-9 is not flammable. However, it may release toxic fumes if heated or decomposed.

What PPE is required for handling C-9?

Wear chemical-resistant gloves, goggles or face shield, protective clothing, and a respirator if inhalation risk exists.

How should C-9 be stored?

Store in a tightly sealed container in a cool, ventilated area. Keep locked and away from incompatible materials like strong bases.

What are the environmental concerns with C-9?

C-9 is very toxic to aquatic life. Spills must be contained and never allowed to enter water sources or soil.

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C-9