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Industrial formaldehyde

IntroductionFormaldehyde, chemical formula or HCHO or CH2O, formula 30.03. also known as ant al

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Pengantar

Formaldehyde, chemical formula or HCHO or CH2O, formula 30.03. also known as ant aldehyde, explosion limit: 7.0-73%. It has a strong reducing effect and is used as raw material of pesticide and disinfectant, synthetic resin, vinylon, urotropine, jilisuteol and dye, etc.

Nama ProdukAldehyde Content%PenampilanFeaturesAplikasi
Formaldehid37colorless transparent liquid type formaldehyde commonly known as formalinis widely used in chemical industry, textile, wood processing, etc
Paraformaldehyde98white crystalline powderhigh solid content, herbicides, synthetic resin, coatings, adhesives and other industries
High concentration formaldehyde52colorless transparent liquidhigher reactivity for MDIpolyethylene tetrahydrofuran, pom, such as chemical and pharmaceutical industries


CategoryDetails
Chemical FormulaHCHO; simplest aldehyde, polymerizes into paraformaldehyde
Key Applications– Wood Adhesives: Urea-formaldehyde (UF) resins
– Plastics: Phenolic resins, molding compounds
– Textiles: Finishing agent for wrinkle-resistance
– Disinfectants: Medical/industrial sterilization
Industrial Grades– 37% Solution: Common aqueous solution
– 50% Solution: High-concentration blends
– Gas Form: Polymerization processes
Safety Risks– Acute Exposure: Respiratory irritation, skin sensitization
– Carcinogenicity: IARC Group 1 (nasal cancers)
– Flash Point: 64°C (closed cup)
Regulatory Compliance– OSHA PEL: 0.75ppm (TWA)
– REACH: Authorized under strict controls
– EPA: Emission limits for composite wood products
Environmental Impact– VOC Emissions: Contributes to ground-level ozone
– Wastewater Treatment: Biodegradation challenges
– Carbon Footprint: Energy-intensive production
Sustainability Trends– Green Alternatives: Bio-based adhesives (e.g., soy-based)
– Process Innovations: Closed-loop systems for capture/reuse
– Catalyst Development: Reducing energy consumption
Market Dynamics– Global Demand: ~5.5M tons/year (2025)
– Growth Drivers: Emerging economies, construction sector
– Price Drivers: Methanol feedstock costs, energy prices

Note: Critical industrial chemical requiring rigorous safety protocols. Industry focus on reducing environmental footprint through technological advancements.

Key Characteristics

Physical & Chemical Properties

PropertySpecification
Rumus MolekulerCH₂O
Boiling Point-19°C (gas) / 37% in water
Kepadatan1.09 g/cm³ (37% solution)
Titik Flash85°C (37% solution)
SolubilitasCompletely miscible in water

Commercial Forms

FormConcentrationPrimary Use
Aqueous Solution37-50%Most common industrial form
Paraformaldehyde91-99%Solid, slow-release form
Gas100%Direct chemical synthesis

Industrial Applications

Major Uses

IndustryAplikasiKey Products
Resin ProductionAdhesives & bindersUrea-formaldehyde resins
ConstructionComposite wood productsParticleboard, MDF
AutomotiveMolded componentsPhenolic resins
HealthcareDisinfectionSterilizing solutions
TextilesFabric treatmentWrinkle-resistant finishes

Safety & Handling

Health Hazards: Carcinogenic (Group 1 IARC), skin/eye irritant

Exposure Limits: 0.75 ppm (8-hr TWA), 2 ppm (STEL)

Storage: 21-25°C in corrosion-resistant containers

Stabilization: Typically contains 10-12% methanol

Production Methods

Methanol Oxidation (90% of global production)

Natural Gas Direct Conversion

Biomass Pyrolysis (emerging technology)

Conclusion

Industrial formaldehyde remains indispensable despite its toxicity concerns, with annual production exceeding 50 million tons. Future developments focus on safer handling technologies and bio-based production methods to maintain its critical role in manufacturing.

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