Description

5-Sulphosalicylicacid CAS NO 75981-55-4 is a specialized organic acid derivative of salicylic acid, featuring a sulfonic acid group that enhances its water solubility and chelating properties. This compound is valued for its role as a key analytical reagent and a versatile intermediate in fine chemical synthesis. It is primarily sought by manufacturers and laboratories in the pharmaceutical, analytical chemistry, and specialty chemical sectors for its precise functional characteristics.

Application

• Protein Precipitation Reagent: Widely used in clinical diagnostics and biochemical research for the precipitation of proteins from biological fluids prior to analysis.
• Analytical Chemistry Standard: Serves as a standard or reagent in various colorimetric and spectrophotometric assays.
• Pharmaceutical Intermediate: Utilized in the synthesis of more complex sulfonated compounds and active pharmaceutical ingredients (APIs).
• Chelating Agent: Acts as a complexing agent for metal ions in specific industrial and laboratory processes.
• Research & Development: Employed in academic and industrial R&D for studying sulfonation reactions and developing new chemical entities.

Basic Information

Product Name	5-Sulphosalicylicacid
CAS No.	75981-55-4
Molecular Formula	C7H6O6S
Molecular Weight	218.18 g/mol
Synonyms	5-Sulfosalicylic Acid; 2-Hydroxy-5-sulfobenzoic Acid; Sulfosalicylic Acid; 5-SSA; 5-Sulphosalicylic Acid Dihydrate (common form); Benzoic acid, 2-hydroxy-5-sulfo-; NSC 93496
EINECS	Contact for details

Quality Control

Our 5-Sulphosalicylicacid is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets the high standards required for laboratory and industrial use. Certificates of Analysis (COA) documenting all test results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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