Description

Schwefeldioxid8 CAS NO 74460-90-5 is a high-purity gaseous chemical compound essential for a wide range of industrial synthesis and treatment processes. Its primary value lies in its role as a versatile reagent and preservative, offering reliable performance in critical manufacturing applications. This product is particularly vital for industries such as chemical manufacturing, water treatment, and food processing, where precise control and quality are paramount.

Application

• Chemical Synthesis: As a key reagent in the production of sulfuric acid, sulfites, and other sulfur-containing compounds.
• Water Treatment: Used for dechlorination and as a pH control agent in municipal and industrial wastewater facilities.
• Food & Beverage Industry: Acts as a preservative and antioxidant (E220) in dried fruits, wine, and other food products to prevent spoilage.
• Pulp & Paper Manufacturing: Employed in the bleaching and chemical pulping processes.
• Refrigeration: Serves as a refrigerant in specific industrial cooling systems.
• Petroleum Refining: Used in alkylation and other refining processes to treat petroleum fractions.
• Laboratory & Analytical Chemistry: Utilized as a standard or reagent in various analytical procedures.
• Fumigation: Applied for disinfecting and fumigating agricultural products and storage facilities.

Basic Information

Product Name	Schwefeldioxid8
CAS No.	74460-90-5
Molecular Formula	SO₂
Molecular Weight	64.066 g/mol
Synonyms	Sulfur Dioxide; Sulfurous Anhydride; Sulfur Oxide (SO2); Sulfurous Oxide; Sulfur(IV) Oxide; E220; Fermenicide Powder; Liquid SO2; Schwefeldioxid
EINECS	231-195-2

Quality Control

Our Schwefeldioxid8 is manufactured and tested under stringent quality management systems to ensure batch-to-batch consistency and reliability. We provide comprehensive Certificates of Analysis (COA) for every shipment, detailing key parameters such as purity and impurity profiles. Our quality commitment aligns with major industrial and food-grade specifications to meet the demanding requirements of our global B2B clients.

Storage

Preserve in a tightly closed, approved pressure-rated container, protected from light and heat sources. Store in a cool, well-ventilated area, away from incompatible materials such as strong bases, oxidizers, and moisture. Cylinders should be secured in an upright position. Storage temperature should not exceed recommended limits for the specific container type.

Specification

Item	Specification
Appearance	Colorless gas
Odor	Pungent, irritating
Assay (SO₂)	≥ 99.9%
Water (H₂O)	≤ 0.05%
Non-volatile Residue	≤ 0.02%
Sulfuric Acid (as H₂SO₄)	≤ 0.01%

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