Description

Formaldehydesodiumbisulphate1/2Hydrate is a specialized chemical compound widely used as a stable source of formaldehyde and sulfoxylate ions. This product is valued for its controlled reactivity and effectiveness in demanding industrial processes where precise chemical delivery is critical. It serves as a key intermediate and reducing agent for manufacturers in the textile, paper, and chemical synthesis industries, ensuring reliable performance in applications ranging from bleaching to organic synthesis.

Application

• Textile Processing: Acts as a powerful reducing agent and bleaching auxiliary in the preparation and dyeing of fabrics.
• Paper & Pulp Industry: Utilized in bleaching processes to improve brightness and pulp quality.
• Chemical Synthesis: Serves as a versatile reagent for reduction reactions and as a formaldehyde donor in organic synthesis.
• Water Treatment: Employed in specific dechlorination and reduction processes in industrial wastewater treatment.
• Photographic Industry: Functions as a developing agent and reducing compound in photographic solutions.
• Leather Tanning: Used in processing stages for its reducing properties.

Basic Information

Product Name	Formaldehydesodiumbisulphate1/2Hydrate
CAS No.	63148-74-3
Molecular Formula	CH3NaO5S • 0.5H2O
Molecular Weight	154.10 g/mol (anhydrous basis)
Synonyms	Sodium Formaldehyde Sulfoxylate Dihydrate (common); Formaldehyde Sodium Sulfoxylate; Sodium Hydroxymethanesulfinate; Rongalite; Bruggolite; Blankit; Hydrolin; Sulphoxylate; Formosul
EINECS	Contact for details

Quality Control

Our Formaldehydesodiumbisulphate1/2Hydrate is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. The product undergoes rigorous analytical testing, including assay, identification, and impurity profiling, to meet exacting industry specifications. Certificates of Analysis (COA) documenting purity and key parameters are available for every batch upon request, supporting your quality assurance and regulatory compliance needs.

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 material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and decomposition. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0 %
pH (10% Solution)	9.0 - 11.0
Water Content (KF)	≤ 2.0 %
Heavy Metals (as Pb)	≤ 10 ppm

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