(3-acrylamidopropyl)trimethylammonium chloride CAS 45021-77-0 APTAC

Aure Chemical Offers APTAC CAS 45021-77-0

(3-acrylamidopropyl)trimethylammonium chloride, commonly known as APTAC (CAS 45021-77-0), is a cationic monomer featuring an acrylamide polymerizable group and a quaternary ammonium functionality. Aure Chemical supplies this product to industrial customers worldwide and provides sourcing, export support and documentation including SDS and COA. It offers good reactivity and stability in the production of high-charge cationic polymers.

Basic Information

CAS No.	45021-77-0
EC No.	Not available
Linear Formula	C9H19ClN2O
Molecular Weight	206.71 g/mol
Appearance	Colorless to pale yellow liquid (commercial aqueous solution)
Commercial Grade / Assay	To be confirmed by final supplier specification and COA
Typical Commercial Form	Commonly supplied as aqueous solution; commercial form may vary by specification
Melting Point	Not applicable for commercial aqueous solution
Boiling point	Not applicable for commercial aqueous solution
Density	Approximately 1.05–1.10 g/cm³ at 20 °C (typical for commercial solutions)
RIDADR	Not regulated as dangerous goods under typical commercial transport conditions; final status subject to supplier SDS and carrier review
Chemical Structure

Key Applications

APTAC is a reactive cationic monomer that undergoes free-radical polymerization to form high-molecular-weight cationic polymers with excellent charge density and good hydrolytic stability. related Cationic Monomers

• Water treatment flocculants: Polymerized into high-performance cationic polymers used for clarification, sludge dewatering and removal of suspended solids in municipal and industrial wastewater treatment.

• Paper and pulp chemicals: Applied in the synthesis of cationic polymers that improve fiber retention, drainage, dry/wet strength and sizing efficiency in papermaking processes.

• Textile auxiliaries: Used to produce cationic polymers for dye fixation, antistatic finishing and improved color fastness on natural and synthetic fibers.

• Personal care and cosmetic polymers: Incorporated into conditioning polymers and film-forming agents for hair care and skin care formulations.

• Oilfield and specialty chemicals: Serves as a key monomer for copolymers used in drilling fluids, fracturing fluids and functional water-soluble polymers.

Aure Chemical: Your Reliable Partner

Aure Chemical supports international B2B customers with reliable sourcing and export services for specialty chemicals. We focus on clear communication, proper documentation and flexible logistics solutions tailored to industrial requirements.

• Product Quality & Consistency: Product specifications can be confirmed by COA before shipment. Batch quality and key parameters are reviewed according to customer requirements.

• International Logistics & Supply Stability: Export supply can be arranged through suitable logistics channels. Shipment planning can be discussed according to product properties and destination requirements.

• Safety Documentation & Regulatory Compliance: SDS, COA and shipping documents can be prepared for customer review. Documentation support is available for B2B chemical procurement.

• Technical Support & Flexible Supply: Our team assists with technical communication, packaging selection and export coordination. Flexible packaging and shipment options can be discussed before order confirmation.

Safety, Handling & Documentation

Standard industrial hygiene practices should be followed when handling this product. Avoid direct contact with skin and eyes. Use appropriate personal protective equipment such as gloves, safety goggles and protective clothing. Ensure adequate ventilation in the working area.

• Handling: Avoid inhalation of vapors or mists. Wash hands and exposed skin thoroughly after handling. Do not eat, drink or smoke in the handling area.

• Storage: Store in a cool, dry, well-ventilated area away from incompatible materials such as strong oxidizers and reducing agents. Keep containers tightly closed when not in use. Protect from freezing and direct sunlight where applicable.

• Documentation: Refer to the final SDS before handling, storage and transportation. SDS and COA are available for customer evaluation. Final handling, storage and transportation requirements should follow the supplier SDS and carrier review.