Description

Benzaldehyde Sodium Bisulfite is a key organic synthesis intermediate, primarily known as the stable adduct of benzaldehyde. This compound is valued for its role as a protected form of benzaldehyde, offering enhanced stability and controlled release properties for demanding chemical processes. It is essential for manufacturers in the pharmaceutical, fragrance, and fine chemical industries seeking reliable and high-purity synthetic building blocks.

Application

• Pharmaceutical Synthesis: Serves as a crucial intermediate and protected aldehyde source in the production of various active pharmaceutical ingredients (APIs).
• Fragrance and Flavor Industry: Used as a precursor and stabilizer in the synthesis of complex aromatic compounds and flavorants.
• Organic Synthesis: Acts as a versatile reagent for introducing the benzoyl moiety or as a masked benzaldehyde in Grignard reactions and nucleophilic additions.
• Photographic Chemicals: Employed in certain specialized photographic development processes.
• Chemical Research: Utilized in laboratories as a standard or reagent for methodological development and chemical studies.
• Dye and Pigment Intermediates: Functions as a building block in the synthesis of certain dyes and organic pigments.

Basic Information

Product Name	Benzaldehyde Sodium Bisulfite
CAS No.	4657-12-9
Molecular Formula	C7H7NaO4S
Molecular Weight	210.18 g/mol
Synonyms	Benzaldehyde Sodium Bisulfite Adduct; Sodium Benzaldehyde Bisulfite; Benzaldehyde, sodium bisulfite addition compound; Benzenecarboxaldehyde, sodium hydrogen sulfite (1:1); Benzaldehyde sulfonate sodium salt; Sodium α-hydroxybenzenemethanesulfonate; (Hydroxyphenylmethyl)sulfonic acid sodium salt
EINECS	225-081-4

Quality Control

Our Benzaldehyde Sodium Bisulfite is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. Certificates of Analysis (COA) documenting results for assay, related substances, and other critical parameters are provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed in a dry environment to prevent degradation. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0 %
Water Content (KF)	≤ 2.0 %
Residue on Ignition	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm

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