China CAS 101-96-2 Product & Products Portfolio

Technical White Paper & Global Supply Chain Guide for N,N'-Bis(1-methylpropyl)-1,4-phenylenediamine and High-Performance Specialty Chemicals by JIMPOCHEM

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Technical Deep-Dive: N,N'-Bis(1-methylpropyl)-1,4-phenylenediamine (CAS 101-96-2)

CAS 101-96-2, chemically designated as N,N'-Bis(1-methylpropyl)-1,4-phenylenediamine (also known under trade nomenclature as Antioxidant AO-22, PDA-6, or UOP 5), represents a pivotal sterically hindered aromatic secondary amine antioxidant and antiozonant. It serves a vital role across petrochemical refining, polymer synthesis, elastomeric processing, and specialty fuel preservation.

The unique molecular architecture of CAS 101-96-2 features a central 1,4-phenylenediamine backbone flanked by dual sec-butyl (1-methylpropyl) alkyl chains. This structure grants exceptionally high electron density to the amine hydrogen atoms while providing sufficient steric shielding. As a result, CAS 101-96-2 functions as an aggressive free-radical scavenger, breaking peroxyl radical (ROO•) chain propagation loops in organic matrices far more effectively than traditional phenolic or alkylated diphenylamine alternatives.

Key Chemical Feature: Dual sec-butyl substitution enhances lipophilicity, low volatility, and solubility in non-polar hydrocarbon media while eliminating oxidation-induced color staining tendencies common in unsubstituted phenylenediamines.

Chemical & Physical Property Roadmap

Property Parameter	Specification Value	Test Standard / Method
Chemical Formula	C14H24N2	Calculated Structure
Molecular Weight	220.35 g/mol	Mass Spectrometry
CAS Registry Number	101-96-2	CAS Chemical Registry
EINECS / EC Number	202-992-2	EU Chemical Inventory
Active Assay Purity	≥ 99.0% (High Purity Grade)	Gas Chromatography (GC-FID)
Appearance (at 25°C)	Clear Reddish-Brown Liquid	Visual Inspection
Density (at 20°C)	0.940 – 0.955 g/cm³	ASTM D4052
Boiling Point	315°C to 320°C at 760 mmHg	ASTM D1078
Flash Point (Closed Cup)	> 138°C	ASTM D93
Moisture Content	≤ 0.20% max	Karl Fischer Titration

Localized Application Scenarios & Industrial Integration

JIMPOCHEM's CAS 101-96-2 is manufactured under high-precision continuous flow systems to meet strict operational requirements across multiple global chemical segments:

1. Fuel Stabilization & Aviation Gas

CAS 101-96-2 is an industry-standard gum inhibitor for thermally cracked gasolines, aviation fuels (AvGas), and olefin-rich refinery streams. It interrupts peroxide formation, preventing fuel pump fouling, injector clogging, and storage tank sludge accumulation.

2. Elastomer & Rubber Antiozonant

Integrated into Styrene-Butadiene Rubber (SBR), Nitrile Rubber (NBR), and Natural Rubber compounds, it yields robust protection against atmospheric ozone attack, dynamic flex cracking, and thermal oxidation under heavy shear stress.

3. Synthetic Lubricant Additive

Acts as a high-temperature thermal antioxidant in turbine oils, hydraulic fluids, and engine lubricants. It limits viscosity increase and acid number (TAN) buildup during high-stress operational cycles.

4. Monomer Storage & Transport Stabilization

Serves as a reliable polymerization inhibitor for vinyl monomers, styrene, butadiene, and acrylate esters during trans-oceanic shipping and bulk storage, preventing runaway exothermic polymerization.

5. Petrochemical Intermediate Synthesis

Acts as a building block for specialized agrochemical molecules, anti-aging additives, dye intermediates, and secondary chemical formulations requiring amine hydroperoxide scavenging chemistry.

Technological Roadmap & Next-Gen Manufacturing Innovation

JIMPOCHEM has advanced the synthetic methodology of CAS 101-96-2 beyond legacy batch-scale reaction systems. Our dedicated R&D engineering team in Jinan has established a modern, environmentally conscious process architecture based on catalytic reductive alkylation.

Process Innovation Highlights:

Continuous Flow Micro-Reactors: Replaced batch kettles with continuous micro-channel hydrogenation reactors, shortening reaction residence times and suppressing unwanted side-reactions.
Bimetallic Heterogeneous Catalysts: Utilization of high-selectivity Pt-Pd/C and Ni-based proprietary catalysts ensures conversion efficiency >99.5% with zero unreacted aromatic diamine residue.
Closed-Loop Solvent Recovery: Integrates continuous flash vaporization and vacuum fractional distillation, achieving 98.5% solvent recycling efficiency and minimizing volatile organic compound (VOC) emissions.

Future Technical Roadmap (2025–2030)

Our long-term developmental strategy centers on sustainable engineering principles:

Phase 1: Bio-Based Carbon Integration – Synthesizing sec-butyl precursor alcohols from bio-based methyl ethyl ketone (MEK) routes to reduce product net carbon footprint.
Phase 2: Ultra-Low Ash Specialty Grades – Engineering sub-10ppm metal ion grades specifically for electronic chemical applications and modern turbine lubricant fluids.
Phase 3: Real-Time Process Analytical Technology (PAT) – Installing online Near-Infrared (NIR) spectroscopic sensors across production lines for dynamic control of chemical purity.

China Supply Chain Resilience & Plant Efficiency Advantages

JIMPOCHEM CO., LTD operates out of the Chemical Industry Park of Jinan City, Shandong Province—one of Asia's most densely integrated fine chemical manufacturing hubs. This location grants strategic supply chain advantages:

Raw Material Integration

Direct pipeline and local supply agreements for p-phenylenediamine (PPD) and MEK feedstock eliminate cross-regional supply chain delays and raw material price volatility.

Port Logistics Proximity

Located within proximity of Qingdao Port and Tianjin Port, allowing for immediate ISO-tank and drum containerized shipments to global ports in under 48 hours from order clearance.

Dual-Line Redundancy

Our 500+ acre facility maintains parallel production lines, ensuring uninterrupted product delivery even during routine maintenance or facility overhauls.

About JIMPOCHEM CO., LTD – Designated Chemical Service Provider

JIMPOCHEM CO., LTD was established in 2010 and is headquartered in the Chemical Industry Park of Jinan City, Shandong Province. Spanning over 500 acres, our modern manufacturing complex is a professional chemical raw material hub integrating advanced R&D, high-purity synthesis, global logistics, and multi-tier technical service. Our primary portfolio focuses on high-end fine chemicals, antioxidant additives, and cosmetic raw materials.

We hold comprehensive quality and environmental operational credentials, including ISO 9001 Quality Management System Certification and ISO 14001 Environmental Management System Certification. Driven by the philosophy that "Quality leads the future," JIMPOCHEM provides integrated chemical solutions to clients across more than 200 countries and regions worldwide.

Supply Chain & Scale Advantages

Intelligent control systems automate process management, seamlessly handling both multi-thousand-ton batch processing and custom fine chemical requests.

Quality Control & Traceability

Full-item pre-shipment inspections combined with batch-number QR tracking ensure end-to-end transparency from initial raw material receipt through to final shipment.

Green & Environmental Focus

Aligned with global decarbonization strategies, our zero-discharge effluent systems and eco-certified manufacturing pathways support sustainable client transformations.

Global Regulatory Compliance & Quality Documentation

Navigating global regulatory frameworks is critical for seamless international distribution. JIMPOCHEM supports worldwide compliance for CAS 101-96-2 and affiliated chemical lines through complete documentation packages:

EU REACH & UK REACH: Full registration dossiers and REACH compliance declarations for seamless imports across European markets.
US EPA TSCA & OSHA Standards: Listed on the Active TSCA inventory and fully aligned with OSHA Hazard Communication Standard (29 CFR 1910.1200).
GHS Safety Data Sheets (SDS): Multi-lingual 16-section GHS Safety Data Sheets available in English, Spanish, German, French, and Japanese.
Certificates of Analysis (CoA): Batch-specific CoAs issued by accredited internal testing laboratories, verifiable via third-party testing partners (SGS / Intertek / BV).

Frequently Asked Questions (Technical & Commercial FAQ)

Q1: What sets CAS 101-96-2 apart from traditional phenolic antioxidants in hydrocarbon applications?

A: CAS 101-96-2 (N,N'-Bis(1-methylpropyl)-1,4-phenylenediamine) exhibits significantly higher reactivity with hydroperoxides and peroxyl radicals than hindered phenols. It suppresses radical formation at lower dosage rates and functions efficiently in oxygen-starved environments typical of closed fuel systems and hydraulic circuits.

Q2: How should CAS 101-96-2 be stored to maximize shelf life?

A: Store in original unopened steel drums or ISO tanks under a dry nitrogen blanket. Keep in a cool, well-ventilated location away from direct sunlight, open flames, and strong oxidizing agents. Under optimal conditions (15°C – 25°C), the product retains full technical specification stability for 24 months.

Q3: What standard packaging configurations are available for industrial export?

A: We offer standard export options including 200kg steel drums (with anti-corrosive internal coatings), 1000kg IBC totes, and bulk ISO tanks (20–24 metric tons) with dedicated heating/nitrogen-purge capabilities.

Q4: Can JIMPOCHEM provide custom analytical testing or modified purity specifications?

A: Yes. Our R&D analytical laboratory provides custom testing for moisture limits, color standards (APHA / Gardner), dynamic viscosity profiles, and trace metal impurity analysis to meet specific customer standard operating procedures.

Q5: What is the typical lead time for international vessel shipments?

A: Standard dispatch from our Jinan plant to Qingdao Port takes 24–48 hours. For standard product grades, shipping container loading occurs within 5–7 business days of sales order confirmation.