Description

Sodium 3-Sulfobenzoate is the sodium salt of 3-sulfobenzoic acid, a versatile aromatic sulfonate compound. This high-purity intermediate is valued for its water solubility and anionic surfactant properties, making it a critical building block in advanced chemical synthesis. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring a stable, water-soluble sulfonate group.

Application

• Pharmaceutical Intermediate: Key starting material or intermediate in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring sulfonate functionality for enhanced solubility or bioavailability.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where the sulfobenzoate moiety acts as a solubilizing or active component.
• Dye & Pigment Manufacturing: Serves as a coupling agent or solubilizing intermediate in the synthesis of water-soluble dyes and organic pigments.
• Surfactant & Detergent Formulation: Functions as a hydrotrope or anionic surfactant component in specialized cleaning and industrial formulations.
• Chemical Research & Development: Employed as a reagent in organic synthesis and catalysis research within academic and industrial R&D laboratories.
• Polymer Modification: Can be used to introduce sulfonate groups into polymers to modify their ionic character and water absorption properties.

Basic Information

Product Name	Sodium 3-Sulfobenzoate
CAS No.	17625-03-5
Molecular Formula	C7H5NaO5S
Molecular Weight	224.16 g/mol
Synonyms	Benzoic acid, 3-sulfo-, sodium salt; 3-Sulfobenzoic acid sodium salt; m-Sulfobenzoic acid sodium salt; Sodium m-sulfobenzoate; 3-Carboxybenzenesulfonic acid sodium salt
EINECS	241-597-4

Quality Control

Our Sodium 3-Sulfobenzoate is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and consistency. Certificates of Analysis (COA) documenting key parameters are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature. This material is hygroscopic (moisture-sensitive). Keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
pH (5% solution)	6.0 - 8.0

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