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Sulfurous Acid

Sulfurous Acid CAS: 7782-99-2 | MF: H2O3S | MW: 82.08, Buy now for reliable and Reproducible results from ChemieR Acid at Chemical World.

Sulfurous Acid (CAS: 7782-99-2) is a sulfur-based oxoacid that is presented as a clear liquid, which smells strongly and pure sulfur dioxide. This is produced by the dissolution of sulfur dioxide in water to create an aqueous solution of SO2. Having the molecular formula H2SO3, this acid is Sulfuric (IV) acid and thionic acid as well. Sulfurous Acid is chemically the conjugate acid of hydrogen sulfite and is a tautomer of sulfonic acid. It includes the sulfur in the +4 oxidation state, which is a strong reducing agent and is able to undergo redox reactions to the +6 oxidation state. Its stability and reactivity can be used as a key chemical reagent in large-scale industrial plants and laboratories.

Applications

  • Industrial and laboratory chemistry synthesis: Sulfurous Acid has a variety of applications in organic synthesis and inorganic chemical production. It is important in reduction reactions and other transformation processes that involve the need to have controlled reducing conditions.
  • Chlorine Reduction/Water Treatment: During water treatment processes, Sulfurous Acid combines with chlorine to make hydrochloric acid and thus alters the high chlorine content. This renders treated water safer and to be used in various industrial and municipal applications.
  • Oxidation to Sulfate Compounds: When oxygen is added, it is possible to convert Sulfurous Acid to sulfate or sulfuric acid. The use of this oxidation property is improved in chemical production and environmental treatment procedures.

Key features

  • Stable Chemical Performance: Offers reliable, reproducible results in the case of analytical, research and production-scale operation.
  • Critical Industrial Chemical Intermediate: Is used as a starting material in the synthesis of other chemical derivatives and industrial products.
  • Economic Value and High Efficiency: It is economical in terms of cost and has high reducing power, which enhances optimal industrial performance.

General Description

Sulfurous Acid (CAS: 7782-99-2) is an essential industrial chemical and laboratory reagent that is characterized by its reducing power and versatility. It is a product of the dissolution of sulfur dioxide in water and is an aqueous reactive solution with wide application in redox chemistry, chemical synthesis, and process industries.

Need to buy Sulfurous Acid (CAS: 7782-99-2)? Chemical World offers Sulfurous Acid (CAS: 7782-99-2) of high purity in different packaging sizes to satisfy the needs of the research and manufacturing facilities, as well as chemical distributors. Customers get high-quality solutions of chemicals according to their needs since quality is well controlled, logistics are reliable, and the customer care is responsive. The selection of Sulfurous Acid guarantees compliance with safety, uniformity of operation, environmental friendliness and competitive prices in the market of all scientific and industrial applications. Order online Sulfurous Acid from Chemical World today and receive your products fast, secure, and reliably so that you succeed in your project.

About Brand

ChemieR offers a comprehensive range of ACS grade and ISO 9001:2015 certified products, including high-purity solvents, inorganic reagents, acids, bases, and organic reagents. Our high-quality materials ensure your laboratory achieves precise, reproducible results every time. Rely on ChemieR for trusted, premium-grade chemicals that meet the highest industry standards.

Chemical World provides the best laboratory brands that provide a constant and reliable result for any kind of experiment. Our range of high-quality laboratory brands is complete and is available in various scientific fields. ChemieR supplies high-purity chemicals to be used in reliable laboratories, cUSP supplies certified and standard solutions which can be used right away to assess accurately, and TriStains provides high-quality histological stains and indicators to be used in order to visualize accurately. LiChrom is the provider of liquid chromatography using high-grade reagents, and Bluster is the provider of high-grade solvents used in gas chromatography. EKS focuses on electronics-grade reagents that are used in advanced and sensitive analysis. These brands assure the research, analytical, and industrial laboratories with trusted quality, consistency, and performance. To get your product details, specifications, or to seek any purchasing assistance, visit our site chemicalworlds.com or email our sales team sales@chemicalworlds.com. We are happy to service your laboratory requirements with professional and fast service.

Properties

Quality Level
200
Vapor Density
2.3 (vs air)
Vapor Pressure
-
Assay
6% SO2 basis (by Na2S2O3, titration)
Form
liquid
autoignition temp.
-
expl. lim.
-
technique(s)
-
impurities
-
color
-
transmittance
-
refractive index
-
pH
-
bp
-
mp
-
density
1.03 g/mL at 25 °C (lit.)
UV absorption
-
application(s)
-
SMILES string
OS(O)=O
InChI
1S/H2O3S/c1-4(2)3/h(H2,1,2,3)
InChI key
LSNNMFCWUKXFEE-UHFFFAOYSA-N
 

Safety Information

Pictograms
GHS05,GHS07
Signal Word
Danger
Hazard Statements
H314 - H332
Precautionary Statements
P261 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
Hazard Classifications
Acute Tox. 4 Inhalation - Eye Dam. 1 - Skin Corr. 1B
Target Organs
-
Storage Class Code
8B - Non-combustible, corrosive hazardous materials
WGK
WGK 1
Flash Point(F)
-
Flash Point(C)
-

Safety Data Sheets (SDS), Product Specification (PS) and Certificates of Analysis (COA) click Document Button