Description

Amberlite IR 118 Cation Exchange Resin, Strong Acidic Styrene (001X4) is a high-capacity, gel-type, strongly acidic cation exchange resin supplied in the hydrogen (H+) form. This product is engineered for superior performance in demanding demineralization, dealkalization, and softening applications, offering excellent chemical stability and physical durability. It is an essential component for industries requiring high-purity water, including power generation, chemical processing, pharmaceuticals, and food & beverage production. The resin is characterized by its uniform particle size and consistent quality, ensuring reliable operation and long service life in mixed-bed and separate-bed ion exchange systems.

Application

• Industrial Water Demineralization: Primary use in producing high-purity deionized (DI) water for boiler feed, process cooling, and manufacturing.
• Condensate Polishing: Removal of cationic impurities from steam condensate in power plants to protect turbines and boilers from corrosion and scaling.
• Chemical Process Catalysis: Acts as a solid acid catalyst in various organic synthesis reactions, including esterification and hydrolysis.
• Sugar & Sweetener Processing: Decolorization and demineralization of sugar syrups, high fructose corn syrup (HFCS), and other sweeteners.
• Pharmaceutical Purification: Used in the purification and separation of antibiotics, amino acids, and other active pharmaceutical ingredients (APIs).
• Hydrometallurgy & Metal Recovery: Selective recovery of valuable metal cations such as copper, nickel, and rare earth elements from process streams and leach solutions.
• Ultrapure Water (UPW) Production: A critical component in mixed-bed polishers for the semiconductor and microelectronics industries.
• Softening & Dealkalization: Removal of calcium, magnesium, and other hardness ions from water to prevent scale formation.

Basic Information

Product Name	Amberlite IR 118 Cation Exchange Resin, Strong Acidic Styrene (001X4)
CAS No.	51108-82-8
Molecular Formula	(C8H8·C4H6O3S)n
Molecular Weight	N/A (Cross-linked Polymer)
Synonyms	Strong Acid Cation Exchange Resin; Polystyrene Sulfonic Acid Resin; Sulfonated Polystyrene Divinylbenzene Resin; Cation Exchanger IR 118; Amberlite IR-118; Amberlite IR118; Amberlite IR 118 H; 001X4 Cation Resin; Gel Type Strong Acid Cation Resin
EINECS	256-943-8

Quality Control

Every batch of Amberlite IR 118 resin is manufactured under a strict quality management system and undergoes comprehensive testing to ensure it meets precise performance specifications for total exchange capacity, moisture retention, particle size distribution, and uniformity coefficient. While not typically classified as a pharmaceutical-grade resin, its production can adhere to cGMP principles for relevant applications. A detailed Certificate of Analysis (COA) documenting physical and chemical characteristics is provided with each shipment to guarantee consistency and reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive). Store the original, unopened containers in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Avoid temperature extremes and direct sunlight. Keep containers sealed when not in use to prevent moisture uptake and contamination. Do not allow the resin to freeze.

Specification

Item	Specification
Ionic Form as Shipped	Hydrogen (H+)
Matrix	Styrene-Divinylbenzene (Gel)
Functional Group	Sulfonic Acid (-SO3H)
Total Exchange Capacity (min.)	≥ 1.8 eq/L (H+ form)
Moisture Holding Capacity	45 - 55%
Particle Size Range (0.3 - 1.2 mm)	≥ 95%
Uniformity Coefficient (max.)	≤ 1.7
Fine Content (< 0.3 mm, max.)	≤ 1.0%
Reversible Swelling (H+ → Na+)	≈ 10%
Maximum Operating Temperature	120°C (248°F)
pH Range	0 - 14

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.