Description

Amberlyst(R) A-27 Macroreticular Ion Exchange Resin is a strongly basic, Type 1 quaternary ammonium anion exchange resin with a macroreticular (macroporous) polystyrene-divinylbenzene matrix. This robust structure provides exceptional physical stability, high exchange capacity, and excellent resistance to osmotic shock and organic fouling, making it ideal for demanding industrial processes. It is a critical component for chemical synthesis, catalysis, and purification across diverse sectors, including pharmaceuticals, fine chemicals, water treatment, and sugar refining.

Application

• Catalysis & Chemical Synthesis: As a solid base catalyst for reactions such as alkylation, condensation, and esterification, offering easy separation and reusability.
• Pharmaceutical Purification: For the isolation and purification of active pharmaceutical ingredients (APIs), antibiotics, and natural products via anion exchange.
• Water Demineralization & Treatment: Used in mixed-bed or separate-bed deionization systems to remove anions (e.g., chloride, sulfate, nitrate) and produce high-purity water.
• Sugar & Sweetener Processing: Decolorization and demineralization of sugar syrups (e.g., cane, beet, corn) to improve purity, color, and taste.
• Metal Recovery & Hydrometallurgy: Selective recovery of precious metals (e.g., gold, platinum) and anions from process streams and waste solutions.
• Acid Removal & Neutralization: Scavenging of acidic impurities or catalysts from reaction mixtures in organic synthesis.
• Biochemical Separations: Purification of proteins, enzymes, and nucleic acids in downstream bioprocessing.

Basic Information

Item	Detail
Product Name	Amberlyst(R) A-27 Macroreticular Ion Exchange Resin
CAS No.	9074-22-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Strongly Basic Anion Exchange Resin Type I; Quaternary Ammonium Polystyrene Resin; Macroporous Anion Exchanger; Amberlyst A27; Dowex Marathon A; Lewatit MP 500; Purolite A400; Anion Exchange Resin (Strong Base); Polystyrene quaternary ammonium chloride
EINECS	Contact for details

Quality Control

Every batch of Amberlyst(R) A-27 resin is manufactured under a strict quality management system. We perform comprehensive testing to ensure it meets critical parameters such as total exchange capacity, moisture holding capacity, particle size distribution, and physical stability. A Certificate of Analysis (COA) documenting these specifications is provided with each shipment to guarantee consistency and performance for your application.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive). Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep the original container sealed to prevent moisture uptake and contamination. Do not allow the resin to freeze or be exposed to extreme heat.

Specification

Item	Specification
Appearance	Opaque spherical beads
Ionic Form (as shipped)	Chloride (Cl-)
Matrix	Macroreticular polystyrene-divinylbenzene
Functional Group	Quaternary ammonium (Type I)
Total Exchange Capacity (min.)	1.0 eq/L
Moisture Holding Capacity	50 - 60%
Particle Size Range	300 - 1200 µm
Uniformity Coefficient (max.)	1.7
Maximum Operating Temperature	60°C (OH- form), 100°C (Cl- form)
pH Range	0 - 14

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