Applications of 2-Aminopropane in Industrial Manufacturing

2-Aminopropane, commonly known as isopropylamine, plays a critical role in several specialized industrial manufacturing processes. As the original manufacturer, we support downstream sectors by providing product grades and technical expertise aligned to each industry's operational and regulatory conditions.

1. Synthesis of Agricultural Herbicides

In the crop protection sector, 2-Aminopropane acts as a neutralizing agent for glyphosate and other acid-form herbicides during salt formation. Downstream formulators use it in aqueous or solvent-based systems to manufacture water-soluble amine salt herbicides that show effective field application stability. Our customers adjust pH and monitor salt conversion yields to maximize active ingredient concentration without unwanted by-products.

Industry compliance standards

• ISO 9001:2015 Quality Management for Agrochemical Production
• FAO/WHO Specifications for Plant Protection Products
• REACH Regulation (EC) No 1907/2006 – Substance Registration
• US EPA 40 CFR Part 180: Tolerances and Exemptions for Pesticide Residues

Typical usage ratio

• 1.1 to 1.2 mols of 2-Aminopropane per mol of glyphosate acid, based on titration and salt assay
• Adjustments made according to raw material purity and targeted salt concentration (41-62%)

Downstream process integration

• Added after acid dissolution, with controlled addition under agitation to ensure full neutralization
• Quality checked for residual free amine and pH stability before formulation fill

Final product types

• Glyphosate isopropylamine salt soluble concentrates
• Amine salt broadleaf herbicides (e.g., 2,4-D isopropylamine salt)
• Premix liquid herbicide formulations for cereal and row crops
• Agricultural adjuvant concentrates

2. Manufacturing of Rubber Accelerators

Rubber producers use 2-Aminopropane as a process intermediate in synthesizing sulfenamide-based accelerators. The amine’s reactivity ensures high conversion rates for amide and sulfenamide formation, driving efficient batch or continuous production cycles in specialty chemical facilities. Our supplied grades focus on reducing heavy metal and aldehyde impurities, supporting downstream vulcanization processes.

Industry compliance standards

• ISO 14001:2015 Environmental Management
• EU Regulation (EC) No 1272/2008 CLP—Classification, Labelling, and Packaging
• ASTM D4678—Standard Guide for Rubber Chemical Accelerators
• China GB/T 2941 for Standard Test Methods in Rubber Industry

Typical usage ratio

• 0.95 to 1.05 mols per mol of reactant acid chloride for accelerator synthesis
• Excess amine (up to 10%) can be included for selectivity in certain processing lines

Downstream process integration

• Injected into closed reactors for controlled sulfenamide or benzothiazole formation
• Unreacted amine is recovered and recycled for process economy

Final product types

• CBS (N-Cyclohexyl-2-benzothiazolesulfenamide) accelerator
• TBBS (N-Tertiary-butyl-2-benzothiazolesulfenamide) accelerator
• MBTS (Dibenzothiazyl disulfide) intermediates
• High-performance vulcanizing agents for tire and industrial rubber goods

3. Chemical Intermediates in Pharmaceutical Synthesis

Pharmaceutical API manufacturers choose 2-Aminopropane for alkylation and amidation reactions in the synthesis of antihistamines, local anesthetics, and other small-molecule drugs. It offers high selectivity in stepwise synthesis routes, where reaction kinetics and strict impurity control determine overall batch outcomes. Our QC protocols and documentation systems enable downstream compliance in regulated drug environments.

Industry compliance standards

• ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
• 21 CFR Part 211—Current Good Manufacturing Practice in Manufacturing, Processing, Packing, or Holding of Drugs
• European Pharmacopoeia Monographs
• EDQM Certificates of Suitability (CEP) for Raw Material Sourcing

Typical usage ratio

• 0.9 to 1.1 mol equivalents per target intermediate, adjusted for route yield and impurity threshold
• Excess may be used for full conversion in non-critical steps, followed by downstream removal

Downstream process integration

• Metered addition to organic synthesis reactors under temperature and pH control
• Followed by distillation or extraction to recover unreacted material

Final product types

• Diphenhydramine hydrochloride intermediates
• Local anesthetic amide precursors
• CNS drug building blocks
• Specialty API intermediates for contract manufacturing

4. Water Treatment Chemicals Production

Producers of water treatment chemicals use 2-Aminopropane for manufacturing specific quaternary ammonium compounds and chelating agents. Its rapid reaction with halides and acids forms active salts for scale, corrosion, and microbial control in municipal and industrial systems. We collaborate with formulation engineers to control product residuals, reduce by-product formation, and ensure batch traceability.

Industry compliance standards

• NSF/ANSI 60: Drinking Water Treatment Chemicals—Health Effects
• EU Biocidal Products Regulation (EU) No 528/2012
• US EPA 40 CFR Part 136—Guidelines for Water Testing Methods
• ISO 9001-certified supply chain documentation

Typical usage ratio

• 0.95 to 1.05 mols per mol of target halide for alkylation and quaternization
• Adjustments guided by target ion-exchange and biodegradation requirements

Downstream process integration

• Charged into alkylation vessels under inert atmosphere to limit side reactions
• Final product pH and active compound content validated before packaging

Final product types

• Quaternary ammonium biocides for cooling towers
• Scale inhibitors based on polyamino acids
• Chelating agents for boiler and process water
• Corrosion control formulations for industrial pipelines

5. Solvent and Gas Treatment Agent Manufacturing

Processing facilities consume 2-Aminopropane for downstream blending into acid gas treating solvents. It provides high absorption rates for CO₂ and H₂S scrubbing in natural gas and refinery operations. Customers design solvent packages to comply with emission and environmental targets while maximizing circulation efficiency and minimizing degradation by-products.

Industry compliance standards

• API RP 521—Pressure-Relieving and Depressuring Systems
• OSHA 29 CFR 1910—Process Safety in Chemical Plants
• EU Industrial Emissions Directive 2010/75/EU
• China HJ 2028-2013 Emission Standards for Stationary Sources

Typical usage ratio

• 5-30% by weight in formulated gas scrubbing solutions, based on throughput and plant design parameters
• Actual dosage determined by solvent recirculation time, H₂S/CO₂ inlet load, and stripper efficiency

Downstream process integration

• Blended with secondary amines and additives in solvent make-up stations
• Quality batch release performed for pH, total amine, and ammonia slip

Final product types

• Sour gas amine treating solvents
• CO₂ removal packages for LNG
• Petrochemical plant tail gas scrubbing formulations
• Refinery emission control fluids