Wholesale Paraformaldehyde CAS Number 30525-89-4 Suppliers & Manufacturers

High-Purity Solid Formaldehyde Solutions | Custom Depolymerization Control | Global Chemical Infrastructure

Executive Brief

Paraformaldehyde (CAS 30525-89-4): The Industrial Whitepaper Overview

Paraformaldehyde (PFA), indexed under the CAS Registry Number 30525-89-4, is a polymerized solid form of formaldehyde. Presenting as a white crystalline powder or prill with the molecular formula HO(CH2O)nH (where n ranges from 8 to 100), PFA provides a strategic, anhydrous alternative to liquid aqueous formalin solutions. Liquid formaldehyde contains up to 63% water, which presents substantial challenges in high-yield organic synthesis, polymer engineering, and global shipping logistics.

By shifting from liquid formalin to wholesale Paraformaldehyde (CAS 30525-89-4), manufacturers eliminate unnecessary water handling, optimize batch reactors, reduce thermal energy waste, and drastically lower volatile organic compound (VOC) generation. This chemical standard is critical in formulation processes requiring highly controlled, slow-release formaldehyde dynamics via depolymerization.

Paraformaldehyde CAS 30525-89-4 Industrial Synthesis

Technical Specification Matrix (CAS 30525-89-4)

Choosing the correct grade of Paraformaldehyde determines depolymerization rates, yield, and purity in target industrial syntheses.

Technical Parameters 92% High-Activity Grade 96% Premium Synthesis Grade Testing Standards / Methods
Appearance White Prills / Granules Fine White Powder / Micro-Granules Visual Inspection
CAS Registry Number 30525-89-4 30525-89-4 CAS Standard Registry
Assay (as HCHO) ≥ 91.5% - 93.0% ≥ 95.5% - 97.0% Acid-Base Titration (Sodium Sulfite)
Methanol Content ≤ 1.5% ≤ 0.5% Gas Chromatography (GC)
Ash Content ≤ 0.05% ≤ 0.02% Gravimetric Analysis (800°C)
Acid Value (as Formic Acid) ≤ 0.03% ≤ 0.015% Potentiometric Titration
Depolymerization Temperature 80°C - 120°C 100°C - 140°C Thermal Desorption Analytics
Scale & Capacity

Shandong Runtai New Materials: Enterprise Infrastructure

Founded in March 2020, Shandong Runtai New Materials Co., Ltd. is a premier chemical group specializing in fine chemicals and advanced resins. Located in Zaozhuang City, Shandong Province, our headquarters cover 270,000 square meters. Backed by a total investment of 2.06 billion yuan, we operate modern, fully automated production lines that supply essential base chemicals to both domestic and international markets.

Our high-end facilities employ cutting-edge Distributed Control Systems (DCS) to monitor critical process parameters, ensuring high product consistency, reduced energy consumption, and safe operations.

Shandong Runtai New Materials Production Facility
380k
Tons Annual Formaldehyde Capacity
300k
Tons Urea Formaldehyde Resin
60k
Tons Melamine Output Annually
80%
Market Share in Core Segments

Macroscopic Industrial Solutions

Paraformaldehyde CAS 30525-89-4 is not just an raw ingredient; it is a critical driver for process optimization across multiple chemical supply chains.

Agrochemical Synthesis

PFA is a crucial precursor in manufacturing herbicides like Glyphosate, Acetochlor, and Butachlor. By avoiding water in the synthesis phase, manufacturers can maximize reaction volume, increase conversion rates, and limit waste treatment costs.

Phenolic & Amino Resins

Used in producing high-performance phenolic, urea-formaldehyde, and melamine-formaldehyde resins. PFA delivers exceptional strength, durability, and moisture resistance, which are critical for wood panel bonding, automotive coatings, and molding.

Coatings & Formulations

In industrial, automotive, and coil coatings, PFA serves as an effective cross-linking agent. It enhances finish hardness, chemical resistance, and weather durability. Solid PFA also simplifies VOC management compared to liquid alternatives.

Global Market & Shipping

Global Distribution, Regulatory Compliance & Logistics

Exporting Paraformaldehyde (CAS 30525-89-4) requires strict compliance with international safety regulations. classified as a Class 4.1 Flammable Solid (UN 2213, PG III), PFA requires specialized packaging, documentation, and storage. Shandong Runtai New Materials ensures compliance with GHS standards, provides comprehensive Safety Data Sheets (SDS), and manages local compliance, including Europe's REACH, US EPA guidelines, and regional hazardous material transport regulations.

Our international logistics team works with global ocean freight partners to guarantee safe, reliable delivery. We use humidity-controlled, airtight, palletized bags (such as 25kg PP/PE bags or 500kg/1000kg bulk containers) to protect the product during long-distance transport, preserving its active formaldehyde content and preventing premature depolymerization.

Global Chemical Compliance and Logistics Support

Competitive Advantages & Technical Innovation

At Runtai New Materials, our competitive edge lies in vertical integration, advanced process control, and continuous R&D. By partnering with scientific institutions like the Changzhou Research Institute of Beijing University of Chemical Technology, our doctoral R&D team continuously refines production methodologies and has secured multiple chemical process patents.

We use advanced DCS automation to control synthesis temperatures and drying rates. This precise control results in low-methanol Paraformaldehyde with stable molecular weights, offering predictable depolymerization curves for chemical manufacturers worldwide.

Advanced Chemical Research and Innovation

DCS Process Control

Real-time monitoring of all synthesis parameters minimizes batch-to-batch variation, keeps heavy metal levels low, and controls pH, ensuring highly stable chemical quality.

Optimized Logistics

Our direct rail access and proximity to deepwater ports ensure cost-effective shipping, reliable supply chains, and prompt delivery to international destinations.

Eco-Friendly Production

Our closed-loop manufacturing design captures off-gases, minimizes emissions, and recycles process water, supporting sustainable and clean production.

Technical Roadmap & Future Outlook

As the chemical industry shifts toward carbon neutrality and advanced efficiency, the requirements for formaldehyde solid alternatives continue to evolve.

Low-Temperature Depolymerization

Our current research focuses on modifying the polymer chain length of CAS 30525-89-4. By limiting polymer length to a specific range (n=8 to 15), we aim to offer a specialized grade that depolymerizes at lower temperatures. This will help downstream synthesis plants reduce energy consumption.

Sustainable Raw Materials

We are working to integrate bio-methanol into our synthesis lines. By using renewably sourced raw materials, we can offer low-carbon footprints, helping global manufacturers achieve their scope 3 emissions reductions.

Automated Packaging and Preservation

We are deploying robotic packing stations that seal bulk containers under inert gas. This prevents moisture absorption and oxidation, extending the shelf-life of our PFA to 24 months, even in tropical storage environments.

Technical Q&A (Frequently Asked Questions)

Q1: What are the main benefits of using solid Paraformaldehyde (CAS 30525-89-4) instead of liquid formalin?
Liquid formalin contains up to 63% water, which reduces reaction concentration and increases waste treatment costs. Solid Paraformaldehyde (with a purity of 92% or 96%) provides an anhydrous source of formaldehyde. This increases reaction yields, saves reactor volume, and lowers energy costs for dehydration, while also reducing waste generation.
Q2: How should wholesale Paraformaldehyde be stored to prevent decomposition?
Paraformaldehyde should be stored in a cool, dry, well-ventilated warehouse, away from heat sources, sparks, open flames, and oxidizing agents. Keep containers tightly sealed to prevent moisture absorption, which can cause the product to lump and slow down its solubility. We recommend maintaining storage temperatures below 30°C.
Q3: What chemical catalysts are recommended to accelerate the depolymerization of PFA?
Depolymerization is typically accelerated by adjusting the pH. Under mild acidic or alkaline conditions, the solid polymer rapidly depolymerizes into monomeric formaldehyde gas in solution. Basic catalysts, such as sodium hydroxide (NaOH) or triethylamine, are commonly used in aqueous or alcoholic systems for resin synthesis.
Q4: How does Shandong Runtai guarantee shipping safety for hazardous chemical exports?
As an experienced exporter, we strictly adhere to UN regulations for transporting Class 4.1 Flammable Solids. Our products are packaged in UN-certified moisture-proof bags, labeled with correct GHS signage, and secured in container shipments. We supply full SDS and customs paperwork to ensure safe transportation and smooth compliance checks.
Q5: Can customized particle distributions or assays be manufactured?
Yes, our DCS-controlled manufacturing processes allow us to adjust processing times, drying cycles, and milling speeds. This enables us to customize particle sizes (such as fine powder for rapid reactions or dust-free prills for safe handling) and adjust chemical assays to meet specific formulation requirements.

Quality Standards, Certificates and Patents

Our focus on quality and safety is backed by international certifications and patents, ensuring reliable performance in downstream manufacturing.

ISO Certification 1
ISO Certification 2
ISO Certification 3
Product Quality Certification