Description

(Hydroxyethyl)Ammonium Sodium Sulphite is an organosulfur compound with versatile reducing and sulfonating properties. Its dual functionality makes it a valuable intermediate and processing aid in several high-value industrial sectors. This chemical is particularly sought after by manufacturers in the pharmaceutical, photographic, and specialty polymer industries for its efficacy in controlled chemical synthesis and stabilization processes.

Application

• Pharmaceutical Synthesis: Acts as a key reducing agent and sulfite source in the production of specific active pharmaceutical ingredients (APIs).
• Photographic Industry: Serves as a critical component in developer and fixer solutions, functioning as a preservative and reducing agent.
• Polymer & Resin Modification: Utilized as a sulfonating agent or chain transfer agent in the synthesis of specialty polymers and water-soluble resins.
• Chemical Intermediate: Employed in organic synthesis for introducing sulfonate groups or as a protective agent for sensitive functional groups.
• Water Treatment: Can function as an oxygen scavenger and corrosion inhibitor in specific closed-loop water systems.
• Textile Processing: Used in dyeing and bleaching processes as a reducing agent to improve color fastness and fabric quality.

Basic Information

Product Name	(Hydroxyethyl)Ammonium Sodium Sulphite
CAS No.	84696-80-0
Molecular Formula	C2H10NNaO4S
Molecular Weight	167.16 g/mol
Synonyms	2-Hydroxyethylammonium Sodium Sulfite; Ethanolammonium Sodium Sulfite; Sodium (2-Hydroxyethylammonium) Sulfite; Sodium Sulfite Compound with 2-Aminoethanol (1:1:1); Aminoethanol Sodium Sulfite; Monoethanolamine Sodium Sulfite Salt; MEA Sodium Sulfite
EINECS	Contact for details

Quality Control

Our (Hydroxyethyl)Ammonium Sodium Sulphite is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing key parameters such as assay, impurity profile, and physical characteristics.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is easily oxidized and should be handled under an inert atmosphere where practical for long-term storage to maintain efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0%
pH (10% Solution)	6.5 - 8.5
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm

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