Overview
Furfural is an organic compound derived from agricultural waste materials such as corncobs, oat hulls, and sugarcane bagasse. It is one of the oldest renewable chemicals and has been commercially produced since the 1920s. The compound is primarily manufactured through the acid hydrolysis of pentosan polysaccharides found in biomass. Furfural serves as a versatile platform chemical in various industries, including pharmaceuticals, agrochemicals, and plastics. Its renewable origin and reactivity make it a valuable alternative to petroleum-based chemicals in sustainable manufacturing processes.
Physical and Chemical Properties
Furfural is a colorless to yellowish liquid with a characteristic almond-like odor. It has a molecular weight of 96.08 g/mol and a boiling point of 161.7°C. The compound is soluble in most organic solvents but only slightly soluble in water. Chemically, furfural is an aromatic aldehyde, which makes it highly reactive. It undergoes typical aldehyde reactions such as oxidation, reduction, and condensation. These properties enable its use as a building block for more complex chemicals like furfuryl alcohol and tetrahydrofuran (THF).
Main Applications
Furfural's primary industrial use is as a solvent for refining lubricating oils and separating butadiene from hydrocarbon mixtures. It is also a key intermediate in producing furan resins, which are used in foundry binders and corrosion-resistant fiberglass-reinforced plastics. In the food industry, furfural serves as a flavoring agent due to its almond-like aroma. Additionally, it is used in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals like furan derivatives for various technical applications.
Safety and Storage
Furfural is classified as a flammable liquid and should be stored in tightly closed containers away from heat, sparks, and open flames. It is also an irritant to skin, eyes, and respiratory system, requiring proper personal protective equipment (PPE) during handling. Storage areas should be well-ventilated and equipped with appropriate fire-fighting equipment. Spills should be contained with inert absorbent materials and disposed of according to local regulations. The compound is stable under recommended storage conditions but may polymerize upon prolonged exposure to air.
B2B Procurement Guide
When procuring furfural, buyers should specify required purity levels (typically 98-99.5%) and packaging preferences (drums, isotanks, or bulk shipments). Technical specifications should include water content, acidity, and color parameters. Reliable suppliers should provide certificates of analysis (CoA) and material safety data sheets (MSDS). Due to its hazardous nature, transportation requires proper hazardous material classification (UN 1199, Class 3). Buyers may consider long-term contracts to mitigate price volatility in this commodity chemical market.
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