Description

Sodium 5-Sulphosalicylate is the sodium salt of 5-sulfosalicylic acid, a versatile organic compound with significant chelating and stabilizing properties. This high-purity chemical is essential for analytical chemistry and industrial processes where precise metal ion control is required. It serves as a critical reagent for laboratories and manufacturers in the pharmaceutical, photographic, and water treatment sectors.

Application

• Analytical Chemistry Reagent: Primarily used as a complexometric titrant and masking agent in the determination of metal ions such as iron and aluminum.
• Photographic Industry: Acts as a stabilizing agent and iron sequestrant in photographic developers and fixer solutions.
• Pharmaceutical Intermediates: Serves as a key building block or catalyst in the synthesis of certain active pharmaceutical ingredients (APIs).
• Water Treatment: Functions as a chelating agent to control scale formation and inhibit corrosion in boiler and cooling water systems.
• Dye & Pigment Manufacturing: Used in the production of certain azo dyes and organic pigments.
• Laboratory Research: Employed in biochemical research and as a buffer component in various analytical methodologies.

Basic Information

Product Name	Sodium 5-Sulphosalicylate
CAS No.	831-54-9
Molecular Formula	C7H5NaO6S
Molecular Weight	240.16 g/mol
Synonyms	5-Sulfosalicylic Acid Sodium Salt; Sodium 5-Sulfosalicylate; 5-Sulfosalicylic Acid Disodium Salt; 2-Hydroxy-5-sulfobenzoic Acid Sodium Salt; Sulfosalicylic Acid Sodium Salt; Alizarin Yellow GG; Mordant Yellow 1; EINECS 212-614-1
EINECS	212-614-1

Quality Control

Our Sodium 5-Sulphosalicylate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for laboratory and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, identification, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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). This product is hygroscopic (moisture-sensitive); 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
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
pH (5% Solution)	2.5 - 4.0
Heavy Metals (as Pb)	≤ 20 ppm
Chloride (Cl)	≤ 0.1%
Sulfate (SO4)	≤ 0.5%

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