Description

Acetaldehyde Sodium Bisulfite is a key organic synthesis intermediate and a versatile sulfonating agent. This compound is valued for its ability to form stable adducts with carbonyl groups, making it essential for controlled chemical transformations and as a protective agent. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for synthesis, purification, and stabilization processes.

Application

• Pharmaceutical Synthesis: Used as an intermediate and a carbonyl-protecting agent in the production of active pharmaceutical ingredients (APIs).
• Chemical Purification: Employed to purify aldehydes and ketones by forming crystalline bisulfite addition compounds.
• Photographic Industry: Acts as a stabilizer and sulfite source in photographic developing solutions.
• Textile & Dye Manufacturing: Serves as a reducing agent and bleaching assistant in textile processing.
• Organic Synthesis: A crucial reagent for sulfonate introduction and in various condensation reactions.
• Analytical Chemistry: Used as a derivatization agent for the analysis of carbonyl compounds via chromatography.

Basic Information

Product Name	Acetaldehyde Sodium Bisulfite
CAS No.	918-04-7
Molecular Formula	C2H5NaO4S
Molecular Weight	148.11 g/mol
Synonyms	Sodium Acetaldehyde Bisulfite; Acetaldehyde Sodium Sulfite; Ethanal Sodium Bisulfite; Sodium 1-Hydroxyethanesulfonate; 1-Hydroxyethanesulfonic Acid Sodium Salt; Acetaldehyde Bisulfite Sodium Salt; Sulfurous Acid, Mono(1-hydroxyethyl) Ester, Sodium Salt
EINECS	213-036-5

Quality Control

Our Acetaldehyde Sodium Bisulfite is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee consistency and compliance for your applications.

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 nature, the container must be kept tightly sealed to prevent moisture absorption and potential caking.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0 %
pH (10% Solution)	4.0 - 6.0
Water Content	≤ 1.0 %
Heavy Metals (as Pb)	≤ 10 ppm

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