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Nitrite Corrosion Inhibitor with Biocide & Indicator

Nitrite Corrosion Inhibitor with Biocide & Indicator

Accepta 2531 is a high performance water treatment corrosion inhibitor scientifically formulated for the protection of closed circuits, low and medium pressure hot water systems and chilled water systems.

Accepta 2531 comprises a superior blend of sodium nitrite, sodium borate, sodium hydroxide, polymers and azole is the ideal choice for corrosion protection in water systems containing steel and 'yellow metal' components.

In addition Accepta 2531 contains an essential biocide and an inbuilt indicator dye for improved monitoring and control.

Product Benefits

  • High performance nitrite based liquid corrosion inhibitor
  • Suitable for use in low and medium pressure hot water systems
  • Suitable for use in chilled water systems
  • Excellent corrosion control for steel, cast iron, copper and brass
  • Excellent dispersing properties
  • Contains the biocide dichlorphen
  • Built in indicator

Product Properties

Fprm: Solution
Colour: Straw coloured
Odour: None
pH: >12
Specific gravity: 1.116
Solubility in water: Completely miscible
Decomposition temp: Decomposes at boiling point

*Full details of the product properties are available in the Safety Data Sheet. See below.

Application & Dosage Information

Accepta 2531 is generally dosed at 1% of the system volume to give 1000 ppm sodium nitrite.  

Dose in proportion to feedwater flow.

Accepta 2531 should be injected directly to the system using an appropriate dosing pump or via a dosing pot.

Accepta 2531 contains Nitrite and has a high pH and should not be mixed with acids.

Header tanks should be covered to minimise microbiological infection.

The inhibitor levels and microbiological status should be routinely monitored

NOTE - The high pH of Accepta 2531 means that it is NOT suitable for systems containing aluminium.  For systems containing aluminium use please contact  Accepta technical specialists.

It is always advisable to carry out a 'Control Of Substances Hazardous to Health' (COSHH) assessment before use.

For further technical assistance concerning Accepta 2531 please contact Accepta.

Safety, Storage & Handling

For full details concerning safety precautions, storage and handling procedures for Accepta 2531 please refer to the latest Safety Data Sheet. To download the latest safety data for this product use the following link:

Safety Data for Accepta 2531

World Class Expertise

Accepta work with industry worldwide delivering practical, cost effective solutions to resolve complex problems. If you require technical assistance, or information about our products, please contact our dedicated technical support team on:

+44 (0) 845 519 89 90 or complete our Technical Support form.

Knowledge Base & Training

Keep upto date with our extensive library of good practice guides, latest research, regulatory updates, news and more... knowledge base.

Develop your skills with our high quality water treatment training courses. For engineers, facilities managers and environmental professionals... training.

Custom Manufacturing

Accepta offer custom chemical manufacturing, specialist toll blending and white label production services.

To discover how you could benefit from our environmentally sensitive, quality driven manufacturing capabilities please contact us.

Distributor Opportunities

Accepta's innovative, customer focused business model creates exciting global supply chain and distributor opportunities.

If you are interested in becoming an exclusive Accepta distributor or approved agent please click here to learn more.

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