Guayule

• CAS: 65202-07-5
• Catalog Number: ACM65202075
• Category: Main Products
• Molecular Weight: 262.18
• Molecular Formula: C12H17Cl2NO
• Synonyms: DCPTA
• Appearance: White Powder

Case Study

Economic and Functional Value of Guayule Resin

Dehghanizadeh, Mostafa, et al. Industrial Crops and Products 165 (2021): 113410.

Guayule resin enables diverse non-pharmaceutical applications including coatings, adhesives, viscosity modifiers, plasticizers, biocontrol agents, and controlled-release formulations. Its components demonstrate functional properties: argentatins exhibit antimicrobial, insecticidal, and antitumoral activity; polyphenolics and terpenoids provide termite resistance; volatile fractions (α-pinene, β-pinene, limonene) serve fragrance/adhesive markets; and newly identified phenolic compounds show potential for antioxidant, anticancer, anti-inflammatory, and antidiabetic applications.
In the figure, the mass fractions of resin were applied to the total product prices to determine the price attributable to the resin itself:
· For pesticides, wood preservative coatings, and paints, resin constitutes 10-40% of the overall product, assuming its insecticidal and anti-termitic properties can fully replace the usual proportion of active ingredients.
· In adhesives, resin makes up 5-40% of the total, serving as the main component in polyurethane, hot melt packaging, water-based polyurethane, and pressure-sensitive adhesive formulations.
· For amine-epoxy strippable coatings, resin can account for up to 10% of the product as a plasticizer while maintaining performance.
· Based on these applications, the estimated price of guayule resin ranges from 0.1 to 6.8 USD/kg. It's important to highlight that these price estimates do not include factors such as fractionation, processing, packaging, and distribution of the resin or final products.

Accelerated Solvent Extraction for Efficient Guayule Resin and Rubber Quantification

Salvucci, Michael E., et al. Industrial Crops and Products 30.1 (2009): 9-16.

Guayule shrub tissue requires mechanical disruption for rubber extraction due to its parenchyma cell storage. Conventional gravimetric analysis of resin and rubber content creates bottlenecks in breeding and agronomic programs. This case study evaluates optimized Accelerated Solvent Extraction (ASE) protocols with rapid analytical methods to increase throughput.
· ASE Protocol: In the extraction system, 1g dried guayule stem tissue mixed with Ottawa sand underwent sequential extractions at 1500 psi with acetone/acetonitrile (for resin) followed by cyclohexane (for rubber), each via two static cycles at 24°C or 100°C, yielding 28-30ml total extract volume.
· Quantification Method: Resin content was determined via UV absorbance of acetone/acetonitrile extracts, while rubber content was measured using Evaporative Light Scattering (ELS) detection of cyclohexane extracts - eliminating time-consuming solvent evaporation steps.
· Validation: Results from ASE-UV/ELS methods matched gravimetric determinations for both resin and rubber content in high-latex guayule tissue, confirming analytical equivalence.
· This integrated ASE-UV/ELS approach enables rapid screening of germplasm for resin/rubber traits, accelerated evaluation of agronomic practices, high-volume processing essential for breeding programs, and direct resource allocation toward resin value-addition research.

Custom Q&A

What is the molecular formula of Guayule?

The molecular formula of Guayule is C12H17Cl2NO.

What are the synonyms for Guayule?

The synonyms for Guayule are 65202-07-5, 2-(3,4-Dichlorophenoxy)-N,N-diethylethanamine, Ethanamine, 2-(3,4-dichlorophenoxy)-N,N-diethyl-, and NSC 359148.

What is the molecular weight of Guayule?

The molecular weight of Guayule is 262.17 g/mol.

How was the molecular weight of Guayule computed?

The molecular weight of Guayule was computed by PubChem 2.1.

When was Guayule created?

Guayule was created on March 26, 2005.

When was Guayule last modified?

Guayule was last modified on October 21, 2023.

What is the IUPAC name of Guayule?

The IUPAC name of Guayule is 2-(3,4-dichlorophenoxy)-N,N-diethylethanamine.

What is the InChI of Guayule?

The InChI of Guayule is InChI=1S/C12H17Cl2NO/c1-3-15(4-2)7-8-16-10-5-6-11(13)12(14)9-10/h5-6,9H,3-4,7-8H2,1-2H3.

What is the InChIKey of Guayule?

The InChIKey of Guayule is LOVYCUYJRWLTSU-UHFFFAOYSA-N.

What is the Canonical SMILES of Guayule?

The Canonical SMILES of Guayule is CCN(CC)CCOC1=CC(=C(C=C1)Cl)Cl.