Core Competencies

Cutting-edge Infrastructure and Expertise to Bring Your Vision to Life. Safely. On Time.

Helping You Transform Ideas Into Scalable, Market-Ready Solutions

At Paushak, we support you at every stage of development: from early-stage synthesis and analytical validation to kilo-scale trials and full-scale production. Our strong scientific foundations, process expertise, and safety-first approach ensure a smooth transition from molecule development to commercial manufacturing.

R&D Capabilities
(Lab Scale)

Paushak’s R&D lab is where molecules are first developed and validated. Our expert scientists, with deep synthesis expertise, play a critical role in molecule creation and refinement. Backed by advanced lab-scale infrastructure and rigorous impurity profiling, we ensure every process meets the highest standards of quality from the start.

Synthesis Expertise

  • Phosgenation

    Safe handling of phosgene reactions for complex intermediates.

  • Custom synthesis

    Tailored services for specific requirements, expertise in hazardous chemistry and organic synthesis.

R&D Infrastructure

  • SEFA-standard technology
  • 30+ research scientists, including 3+ doctorates
  • 12+ workstations with online utilities
  • Handle low/high temperature (-50°c to 200°c) and pressure reactions (upto 100 bar)
  • Continuous flow and vapour phase chemistry
  • Fractionating column distillation, photochlorination
  • Solid phase synthesis, granulation, powder handling, centrifugation
  • Lab utilities: N2, air, chilled water, low/high vacuum, Cl2, CO, COCl2
  • Automated jacketed reactors with real-time data capture
  • Software use such as E lab notebook for documentation and Minitab for DOE

Analytical Laboratory

  • Advanced instruments for characterization, monitoring, and quality control
  • Instruments: DSC, TGA, GC-Mass detector, HPLC with UV, PDA, RI detectors
  • Documented quality systems and procedures (IMS and RC certified)
  • In-house documentation and collaboration tools (E-Lab notebook, Sci-finder)

Kilo Lab (Kg Scale)

The Kilo Lab serves as the critical gateway to commercial production. At this stage, we collect data and fine-tune processes to ensure efficiency, safety, and regulatory compliance before moving to full-scale manufacturing.

Process Development & Trials

  • Extensive trials to refine reaction parameters and optimize efficiency
  • Complete knowledge-building phase to ensure risk-free large-scale production
  • Ability to commercially manufacture at the kilo scale, depending on requirements

Dedicated Team & Safety-First Operations

  • Highly qualified engineers available 24/7 to manage the lab
  • Testing and establishing safety parameters for complex chemistry
  • Assessing effluent treatability for large-scale viability

Specialized Infrastructure for Precision & Flexibility

  • Flexible reactor setup for quick process adaptation
  • Distillation facilities for solvent recycling and process refinement
  • Temperature handling: -20°C to 200°C for controlled reactions
  • Solid handling capabilities, including centrifuges and vacuum dryers

Advanced Equipment

  • Reactors: 5 Ltr to 200 Ltr – Glass Assembly
  • Number of Reaction Assemblies: 15
  • Solid Handling Setup: Tray Dryer, Rotary Cone Vacuum Dryer, Centrifuge

Production Capabilities
(MT Scale)

As India’s largest phosgene based specialty chemical manufacturer, Paushak’s state-of-the-art manufacturing facility is designed for scalability and compliance. With fully automated DCS-controlled plants, we efficiently manage complex processing needs across multiple applications while ensuring reliable chemical production.

Safety Infrastructure

With over 45 years of expertise in handling Phosgene and its derivatives, our facility integrates the latest safety infrastructure, including:

  • Safety water curtains, dump tanks, and dedicated chlorine emergency scrubbers
  • Blowers, elephant trunks, stack monitoring analyzers and gas detection systems

Certified for Global Quality & Environmental Standards

  • ISO 9001:2000 - Quality Management System
  • ISO 14001 - Environmental Management System
  • OHSAS 18001 - Occupational Health & Safety
  • Responsible Care Certification - Paushak is 56th Indian company to be awarded this
  • REACH Registered - Ensuring compliance with international regulations

Committed to Sustainability and Environmental Responsibility

We have dedicated effluent treatment and waste management systems, including:

  • MEE (Multiple Effect Evaporator) and
    ATFD (Agitated Thin Film Dryer) for waste minimization
  • ETP (Effluent Treatment Plant) and
    STP (Sewage Treatment Plant) for regulatory compliance

Multi-Purpose Plants for Scalable & Flexible Manufacturing

Our facility consists of versatile multi-purpose plants capable of handling:

  • Liquid, solid, and vapour-phase synthesis
  • Flexible process adaptation to ensure timely deliveries
  • Utility Infrastructure for Precise Reaction Control:
    • Temperature range: -15°C to 200°C
    • Pressure range: 670 mm Hg Vacuum to 10 Bar
    • Storage of temperature-sensitive products: Up to 2°C

Advanced Equipment & Production Capacity

Equipment Description Capacity
SS-316 Reactors Jacketed / Limpeted 1KL to 10 KL
MSGL Reactors Jacketed 0.63 KL to 10 KL
Distillation Systems MSGL/SS316 -
Agitated Nutsche Filters SS316 2.5 KL
Centrifuges SS316 Halar coated -
Agitated Thin Film Evaporator SS-316 -
Scrubber Systems Alkaline scrubber Each plant is equipped with a scrubber system to handle adequate load.

Quality Control & Analytical Excellence

Our production process is backed by a dedicated quality control laboratory equipped with:

  • GC HS
  • GC
  • HPLC
  • FTIR Spectrometer
  • Karl Fischer Titrator
  • Melting Point Apparatus
  • UV Visible Spectrophotometer
  • Xtra Pure Plus
  • Digital Automatic Potentiometer
  • Moisture Analyzer

Chemistry Capabilities

Paushak’s large-scale production is built on its expertise in complex chemical synthesis, including:

  • Phosgenation
  • Halogenation (Including Photo-chlorination)
  • Carbon Monoxide Reactions
  • Chloride Synthesis
  • Carbonate/Carbamate Formation
  • Vapour Phase Chemistry
  • Continuous Chemistry (Process Intensification)

Looking for a Trusted Phosgene Manufacturer? Let’s Connect.

With expertise in Phosgene chemistry, world-class safety standards, and scalable production, we’re ready to support your needs. Get in touch.