Description

Acetone Sodium Bisulfite is a white to off-white crystalline powder, also known as sodium 2-hydroxy-2-propane sulfonate. This versatile chemical adduct is valued for its role as a source of sulfite ions and as a convenient solid form of acetone bisulfite, offering enhanced stability and handling characteristics compared to its precursors. It serves as a key intermediate and reagent in several high-value industrial synthesis and purification processes. Key industries that utilize this compound include pharmaceuticals, specialty chemicals, and analytical chemistry.

Application

• Pharmaceutical Intermediate: Used in the synthesis of various APIs (Active Pharmaceutical Ingredients) and fine chemicals where controlled sulfonation or bisulfite addition is required.
• Chemical Synthesis Reagent: Acts as a source of sulfite for reduction reactions, in the preparation of sulfonates, and for carbonyl group protection in organic synthesis.
• Purification Agent: Employed in the purification of aldehydes and ketones via crystalline bisulfite adduct formation.
• Analytical Chemistry: Utilized as a reagent in specific analytical methods for the detection and quantification of carbonyl compounds.
• Photographic Industry: Functions as a component in certain photographic developing solutions.
• Textile Auxiliary: May be used in specific dyeing or finishing processes within the textile manufacturing chain.

Basic Information

Product Name	Acetone Sodium Bisulfite
CAS No.	540-92-1
Molecular Formula	C3H7NaO4S
Molecular Weight	162.14 g/mol
Synonyms	Sodium 2-hydroxy-2-propane sulfonate; Sodium acetone bisulfite; Acetone sodium bisulfite adduct; 2-Hydroxy-2-propanesulfonic acid sodium salt; Sodium 1-hydroxy-1-methylethanesulfonate; Acetone bisulfite sodium salt; 1-Hydroxy-1-methylethylsulfonate sodium salt
EINECS	208-761-3

Quality Control

Our Acetone Sodium Bisulfite is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. We provide full traceability and Certificates of Analysis (COA) are available for every shipment upon request, confirming compliance with agreed parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption. Recommended storage temperature is between 15°C and 25°C.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0 %
pH (10% solution)	4.0 - 6.0
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.