Citric Acid

Citric acid 25% solution is a ready-to-use liquid form of citric acid (CAS 77-92-9) diluted to a consistent 25% concentration in water, supplied as Technical grade. Citric acid is a weak, triprotic organic acid found naturally in citrus fruit, and this solution delivers its acidity and chelating power without the dissolving step required for dry powder.

The key advantage is convenience and consistency: because the concentration is fixed at 25%, every batch meters predictably into dosing pumps and automated feed systems, eliminating undissolved solids, batch-to-batch variation, and the dust exposure that comes with handling powder. That makes it well suited to continuous industrial dosing and cleaning operations.

• Active: citric acid, 25% by weight
• CAS: 77-92-9
• Form: clear, colorless to pale liquid

This product is a Technical grade 25% citric acid solution, a liquid rather than a powder. It is formulated for industrial cleaning, metal finishing, and water-treatment dosing where a stable, pre-diluted acid stream is preferred over on-site mixing of dry citric acid.

Choosing a solution over powder pays off wherever accuracy and speed matter:

• No dissolving step — draw it straight from the container into your process
• Consistent concentration — 25% every time, so dosing calculations stay fixed
• Pump-ready — meters cleanly through chemical dosing pumps with no grit or slurry
• Less dust — reduces airborne exposure compared with handling powder

Available from 1 quart for testing up through pails, drums, and 330 gallon totes for high-volume continuous feed. Match the package to your consumption rate and dosing infrastructure.

Citric acid 25% solution is used wherever a mild organic acid and chelating agent is dosed as a liquid. Because it arrives pre-dissolved, it excels in metered and continuous applications:

• Descaling — removes calcium, lime, and mineral scale from heat exchangers, boilers, membranes, and process lines.
• Stainless steel passivation — citric-acid passivation is a recognized alternative to nitric acid for restoring the passive chromium-oxide layer on stainless parts.
• Wastewater and process pH adjustment — lowers pH in a controlled, pump-metered fashion for neutralization and treatment.
• CIP (clean-in-place) cleaning — an acid-cycle cleaner for tanks, piping, and process equipment that dissolves mineral and metal-oxide deposits.
• Chelation and water conditioning — sequesters metal ions to prevent scale and staining in formulations and rinse water.

The fixed concentration keeps dosing rates predictable across all of these.

Store citric acid 25% solution in tightly closed, compatible containers in a cool, dry, well-ventilated area, protected from freezing and direct sunlight. As a liquid, it is convenient to store and dispense but should be kept from temperature extremes that can affect the container or promote microbial growth.

Because it is a mild acid, use acid-compatible materials for storage and transfer. Suitable materials include HDPE, polypropylene, and many fluoropolymers; avoid mild steel and materials attacked by weak acids.

• Keep away from strong bases and strong oxidizers
• Protect from freezing, which can affect the solution
• Keep containers sealed to limit evaporation and contamination
• Store away from food and feed materials

Return transfer equipment to a clean state after use and reseal partial containers to maintain solution quality.

An unopened citric acid 25% solution typically remains usable for about 1 to 2 years when stored sealed in a cool, dry place away from contamination and freezing. Citric acid itself is chemically stable, so the practical limit on a dilute aqueous solution is usually microbial growth or contamination rather than breakdown of the acid.

To maximize usable life:

• Keep containers tightly closed and avoid introducing contaminants
• Use clean, dedicated transfer equipment
• Store away from heat and direct sunlight
• Do not allow the solution to freeze

If the solution shows cloudiness, sediment, or odor, evaluate it before use. For quality-controlled operations, verify concentration by titration or specific gravity if the material has been stored for an extended period.

Handle citric acid 25% solution as a mild acid: wear chemical splash goggles and acid-resistant gloves, and avoid contact with skin and eyes. Although far less aggressive than mineral acids, the solution is acidic and can irritate skin, eyes, and mucous membranes, especially with prolonged contact.

Provide adequate ventilation and avoid creating mists during transfer or spraying in CIP systems. Keep an eyewash station accessible where the solution is used.

• Eyes: flush with water for several minutes; seek medical attention if irritation persists
• Skin: rinse with water; remove contaminated clothing
• Inhalation of mist: move to fresh air
• Ingestion: rinse mouth and seek medical advice

Do not mix with strong bases or oxidizers, which can react. Always consult the Safety Data Sheet and follow site procedures before use.

Dispose of citric acid 25% solution in accordance with local, state, and federal regulations; it is a biodegradable weak organic acid and is not a listed RCRA hazardous waste, but the generator remains responsible for the waste determination. Because it is acidic, discharge may require neutralization and pH adjustment to meet local sewer limits before release.

For transport, citric acid 25% solution is generally not classified as a DOT hazardous material and ships as standard non-hazmat ground freight from Taylor, TX. This product ships in 1-2 business days.

• Neutralize spills and dilute per local discharge permits
• Contain and absorb larger spills; prevent entry to storm drains
• Retain the SDS and verify local pH discharge limits

Confirm your facility's wastewater permit conditions, since acceptable discharge pH and volume vary by jurisdiction.