Description

4-((4,7,7-Trimethyl-3-Oxo-Bicyclo(2.2.2)Hept-2-Ylidene)Methyl)Benzenes Ulfonic Acid is a specialized organic sulfonic acid derivative featuring a camphor-based bicyclic structure. This compound is valued for its unique molecular architecture, which combines a rigid hydrophobic core with a strongly acidic sulfonic acid group, making it a versatile intermediate and functional additive. It is primarily sought by research and development teams in the fine chemical, pharmaceutical, and advanced material sectors for applications requiring tailored acidity, solubility, or specific molecular recognition properties.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for introducing sulfonate groups to enhance solubility or biological activity.
• Catalyst & Ligand Synthesis: Used in the preparation of specialized acid catalysts or as a precursor for chiral ligands in asymmetric synthesis, leveraging its rigid, three-dimensional structure.
• Polymer Modification: Acts as a functional monomer or additive to incorporate sulfonic acid moieties into polymers, improving properties like hydrophilicity, ion-exchange capacity, or adhesion.
• Analytical Chemistry & Sensors: Employed in the development of chemical sensors, chromatographic stationary phases, or as a derivatization agent due to its distinct UV/Vis absorption or fluorescent properties from the conjugated system.
• Dye & Pigment Intermediate: Functions as a precursor in the synthesis of advanced dyes and organic pigments, where the sulfonic acid group improves water solubility and substrate affinity.
• Surface Modification Agent: Used to modify material surfaces (e.g., metals, oxides) by creating self-assembled monolayers or coatings that alter surface energy, corrosion resistance, or biocompatibility.

Basic Information

Product Name	4-((4,7,7-Trimethyl-3-Oxo-Bicyclo(2.2.2)Hept-2-Ylidene)Methyl)Benzenes Ulfonic Acid
CAS No.	56039-58-8
Molecular Formula	C₁₇H₂₀O₄S
Molecular Weight	320.40 g/mol
Synonyms	4-[(4,7,7-Trimethyl-3-oxobicyclo[2.2.2]oct-2-ylidene)methyl]benzenesulfonic acid; 2-(p-Sulfophenylmethylene)-3-camphor; 3-Oxobicyclo[2.2.2]octane-2-(p-sulfobenzylidene); Camphorsulfonic Acid Derivative; Bicyclo[2.2.2]octane-2-(4-sulfobenzylidene)-3-one; p-(3-Oxobicyclo[2.2.2]oct-2-ylidenemethyl)benzenesulfonic acid
EINECS	Contact for details

Quality Control

Our production of 4-((4,7,7-Trimethyl-3-Oxo-Bicyclo(2.2.2)Hept-2-Ylidene)Methyl)Benzenes Ulfonic Acid adheres to a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and tests for residual solvents and moisture content. Certificates of Analysis (COA) documenting all specifications are provided with every shipment to ensure traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after each use to prevent moisture absorption, which can affect purity and stability. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.