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Description
TCI G0233 Guaiacylglycerol-beta-guaiacyl Ether is the most widely used lignin model compound in biomass research. The molecule reproduces the β-O-4 aryl ether linkage, the single most abundant bond type found in natural lignin structures and the primary target of virtually every lignin depolymerisation strategy. Because native lignin is highly complex, irregular, and difficult to analyse directly, researchers rely on well-defined model molecules such as this one to study reaction mechanisms under controlled conditions and to generate data that can be interpreted unambiguously.
The property that gives this compound its high research value is structural clarity. It carries guaiacyl methoxy groups on both sides, a glycerol chain, and a single β-O-4 ether linkage that precisely replicates the key motif present in both hardwood and softwood lignin. As a result, every bond cleavage event can be traced through the products that form, and reaction rates can be quantified without interference from polymer heterogeneity. The compound is a solid that dissolves in polar organic solvents, making it suitable for catalytic reactions, enzymatic assays, and routine chromatographic and spectroscopic analysis.
In Indonesian laboratories, the material is relevant to institutions working on biomass valorisation, pulp and paper chemistry, and renewable feedstock research, where abundant lignocellulosic residues make lignin conversion a practical subject of study. It is typically handled in university research groups, government research institutes, and industrial R&D laboratories that require a defined reference substrate for method development, catalyst screening, and comparison of results against published literature.
Laboratory Applications
- Lignin depolymerisation catalyst screening: the defined β-O-4 linkage allows catalytic cleavage activity to be measured directly through identifiable product formation rather than inferred from complex polymer mixtures.
- Reaction mechanism studies: the clear, unambiguous structure lets researchers follow bond-breaking pathways step by step and attribute each observed product to a specific chemical event.
- Enzymatic assay development: the compound serves as a controlled substrate for lignin-degrading enzyme testing, giving interpretable activity data free from the variability of natural lignin.
- Analytical method development: its solubility in polar organic solvents makes it a convenient reference material for establishing chromatographic and spectroscopic procedures for lignin-derived analytes.
- Biomass valorisation research: as the most widely used lignin model compound, it provides a common benchmark that allows results from different laboratories to be compared meaningfully.
Specifications
- Brand: TCI
- CAS number: 7382-59-4
- Category: Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
- Pack sizes: available in standard TCI catalogue pack sizes; please confirm the size required when ordering.
- Physical form: solid, soluble in polar organic solvents
- Storage: store according to the conditions stated on the manufacturer's label and safety data sheet
Handling and Storage
Store the compound in its original tightly closed container, kept in a cool, dry, and well-ventilated area away from direct sunlight, moisture, and incompatible materials. Amber glass or the supplier's original packaging is preferred to limit light and humidity exposure. Handle the solid in a fume hood using gloves, safety glasses, and a laboratory coat, and avoid generating dust during weighing. Prepare solutions with clean, dry glassware and appropriate organic solvents. Always consult the manufacturer's safety data sheet before use, and dispose of residues and contaminated materials in accordance with applicable chemical waste procedures.
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