28 - Polyphosphoric Acid || HSN: 28092020

Countries & Product Trade Names

• United States: Special Grade Polyphosphoric Acid

• Germany: High-Concentration Polyphosphoric Acid

• China: Industrial Polyphosphoric Acid

• France: Polyphosphoric Acid Solution

• Japan, South Korea: Reagent Polyphosphoric Acid

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Available Product Types for International Trade

• Polyphosphoric Acid (85|115%)

• Reagent Grade Polyphosphoric Acid

• Industrial Grade Polyphosphoric Acid

• Pharmaceutical Grade Polyphosphoric Acid

• Customized Concentrations

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Product Classification

• Exact 8-digit HSN Code: 28092020

• Category: Inorganic Chemicals

• Subcategory: Polyphosphoric Acids

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• Appearance: Viscous, colorless to pale yellow liquid

• Density: 1.8–2.0 g/cm³

• Viscosity: High

• Melting Point: <10°C (varies with grade)

• Concentration: 85–115% (by P₂O₅ equivalent)

Chemical Properties

• Molecular Formula: (Hₙ₊₂PₙO₃ₙ₊₁, n >1)

• Purity: >99%

• Acidity: Strong

• P₂O₅ Content: 72–85%

• Reactivity: Aggressive dehydrating agent

Mechanical Properties

• Corrosivity: High (special containment required)

• Stability: Stable when stored away from water

• Flowability: Moderately viscous, pourable

• Compatibility: Compatible with glass, PTFE, ceramics

• Packaging integrity: Requires leak-proof containers

Manufacturing Properties

• Synthesized by dehydration of phosphoric acid

• Purity assured by ISO-compliant processes

• Batch-tested for P₂O₅ content, contaminants, and viscosity

• GMP/ISO certified production

• Environmentally managed with containment protocols

Industrial Use

• Synthesis of chemicals, pharmaceuticals, polymer intermediates

• Powerful dehydrating agent for organic reactions

• Acid catalyst in specialty processes

• Additive in lubricants, fire retardants, plasticizers

• Laboratory reagent for research applications

Market Overview

• Growing demand in drug synthesis, fine chemicals, and specialty industries

• Asia-Pacific and EU are key markets

• Bulk and specialty grades drive differentiation

• Sustainability, purity, and reliability valued by buyers

Packaging

• HDPE drums (35–250 kg)

• ISO tank containers (bulk export)

• Leak-proof, corrosion-resistant packaging

• Custom labeling for concentration/grade

• Palletized and export-grade packing

Shipping

• Containerized sea freight

• Air freight for urgent/small orders

• Major Indian ports:

• Mumbai/Nhava Sheva (West Coast)
• Mundra (West Coast)
• Chennai (East Coast)
• Visakhapatnam (East Coast)

INCO Terms

• FOB: Seller delivers at Indian port; buyer arranges onward shipping

• CFR: Seller delivers to destination port

• CIF: Seller covers shipping and insurance to buyer’s port

Payment Terms

• Full advance payment

• Sight Letter of Credit (LC)

• Combination: Partial advance and Sight LC

Required Export Certificates from India

• Certificate of Origin

• MSDS (Material Safety Data Sheet)

• ISO/GMP Certification

• Commercial Invoice & Packing List

• Safety and compliance certifications

Implied Taxation

• Domestic Trade: GST @18% for polyphosphoric acids

• Export: Zero-rated GST; exporters eligible for refund under GST law

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Kaizen BMS Company Profile

Kaizen BMS, a Government of India-recognized exporter, delivers high-purity Polyphosphoric Acids tailored for global chemical, pharmaceutical, and materials industries. We offer certified quality, bulk or custom supply solutions, and complete export documentation, supporting worldwide partners with reliable logistics, technical support, and flexible trade relationships—empowering buyers with cost-effective, compliant, and innovative procurement solutions.