Is PESA a phosphonate?

No. PESA is generally used as a phosphorus-free polymeric scale-control ingredient. It may be formulated with phosphonates or other polymers, but the final blend and application limits should be assessed against the actual water chemistry and discharge requirements.

What information is needed to select a PESA grade?

Provide the system type, make-up-water analysis, operating temperature, cycles of concentration, deposition concern and other treatment chemicals. Those factors determine whether PESA is used alone or as part of a broader dispersant and inhibitor programme.

Polyepoxysuccinic Acid (PESA) CAS 51274-00-1

Polyepoxysuccinic acid (PESA), CAS 51274-00-1, is a phosphorus-free polymeric scale inhibitor for cooling-water, boiler-water and process-water formulations. Grades are specified by active content and formulation compatibility, with COA, TDS and SDS for the agreed product.

CAS: 51274-00-1
Synonyms: Polyepoxysuccinic acid; PESA; Poly(epoxysuccinic acid)
Einecs: Not specified (polymeric product)
Molecular Formula: Not specified (polymeric scale inhibitor)
Grade: Industrial water-treatment grade; active content and formulation compatibility to be confirmed
Package: HDPE drums or IBCs for aqueous grades; pack and labelling selected for destination requirements
Appearance: Aqueous polymer solution; confirm batch appearance
Product family: Phosphorus-free polymeric scale-control ingredient
Active content: Confirmed against the agreed commercial grade
Primary selection inputs: Hardness, alkalinity, iron, pH, temperature and concentration cycles
Compatibility: Confirm with the complete water-treatment formulation

Request a quote

Share:

Product Description

Polyepoxysuccinic acid (PESA) is a polymeric scale-control ingredient used in cooling-water, boiler-water and process-water formulations. It is commonly selected where a phosphorus-free dispersant or scale inhibitor is required, but performance depends on calcium hardness, alkalinity, iron, temperature, concentration cycles and the companion chemistry in the programme.

1 Applications

2 Specification points

3 Documentation and handling

Applications

Cooling-water formulations designed to manage mineral deposition and suspended solids.
Boiler and process-water programmes where an organic polymeric dispersant is specified.
Phosphorus-restricted treatment blends, subject to site water analysis and discharge requirements.
Combination formulations with phosphonates or other polymers when compatibility has been checked.

Specification points

Confirm the active-content basis, pH, density, appearance, water-solubility behaviour and intended blend partners. Existing programmes that use HEDP or HPMA should be compared by site performance rather than assumed to be directly interchangeable.

Documentation and handling

COA review should focus on active content and physical consistency. Storage conditions, compatibility and final dose setting belong to the programme SDS/TDS and the operating water analysis.

FAQ - Technical & Supply Chain

Q:
Is PESA a phosphonate?

A: No. PESA is generally used as a phosphorus-free polymeric scale-control ingredient. It may be formulated with phosphonates or other polymers, but the final blend and application limits should be assessed against the actual water chemistry and discharge requirements.
Q:
What information is needed to select a PESA grade?

A: Provide the system type, make-up-water analysis, operating temperature, cycles of concentration, deposition concern and other treatment chemicals. Those factors determine whether PESA is used alone or as part of a broader dispersant and inhibitor programme.

Ordering & Documentation

Key information for document requests, quotations, and supply planning.

Documents

COA, TDS, SDS/MSDS and packing details are available on request.

Quotation

Send the CAS number, grade, quantity, packing preference and destination.

Sample & Supply

Support is available for samples, trial orders, bulk and repeat supply.

Storage & Shipping

Product-specific conditions are confirmed before order.

Current Language

Change Language