Sulfurous Acid
Grundinformationen
- CAS
14265-45-3- Standard-SMILES
O=S(O)O- InChIKey
LSNNMFCWUKXFEE-UHFFFAOYSA-N- Summenformel
- H2O3S
- Durchschnittliche Molmasse
- 82,08 g/mol
- Monoisotopische Masse
- 81,97246492
Überblick
Sulfurous acid appears as a colorless liquid with a pungent burning sulfur odor. Corrosive to metals and tissue.
Namen und Bezeichner
- Bevorzugter Name
- Sulfurous Acid
- IUPAC
- sulfurous acid
Namen und Synonyme
Sulfurous acid7782-99-2Sulphurous acidSchweflige saureH2SO3EINECS 231-973-1acide sulfureuxacido sulfurososchweflige Saeuretrioxosulfuric aciddihydroxidooxidosulfurUNII-J1P7893F4J
Weitere Namen anzeigen
CHEBI:48854SULFUROUS ACID (H2SO3)J1P7893F4JSULPHUROSUM ACIDUMDTXSID7042435S(O)(OH)2SULFUROUS ACID (II)SULFUROUS ACID [II]
Datenbank-Bezeichner
- CAS
14265-45-3、7782-99-2- PubChem CID
- 1100
- DTXSID
DTXSID7042435- ChEMBL
CHEMBL1161699- ChEBI
CHEBI:48854- UNII
- J1P7893F4J
- EC Number
- 231-973-1
- Nikkaji
- J54.364K
Eigenschaften
Berechnete Struktureigenschaften
- XLogP
- -0,5
- Polarare Oberfläche (TPSA)
- 76,7 Ų
- H-Brücken-Donoren
- 2
- H-Brücken-Akzeptoren
- 4
- Frei drehbare Bindungen
- 0
- Schwere Atome
- 4
- Formalladung
- 0
- Komplexität
- 26,3
Experimentelle und physikochemische Eigenschaften
Chemical Classes
Toxic Gases & Vapors -> Acids, Inorganic
Corrosives
Food AdditivesUse unspecified -> FDA Substance added to food
Density1.03 @25 °C
Solubility558.5 mg/mL
Physical Description
Sulfurous acid appears as a colorless liquid with a pungent burning sulfur odor. Corrosive to metals and tissue.
Liquid
Clear colorless liquid with a suffocating odor of sulfur dioxide; [Merck Index]
Solid
Sicherheit und Regulatorisches
Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.
GHS-Klassifizierung
GHS Classification
This chemical does not meet GHS hazard criteria for 0.8% (1 of 130) of reports.
Danger
H314 (95.4%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
P260, P261, P264, P264+P265, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 130 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Gefahrenhinweise
Regulatory Information
Chemical: Sulfurous acid
Sulfurous acid is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Sulfurous acid are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)
DOT LabelCorrosive
Fire Hazards
Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:
· Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Health Hazards
Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:
· TOXIC and/or CORROSIVE; inhalation, ingestion or skin contact with material may cause severe injury or death.
Chemie und Industrie
Pharmakologische Informationen
Tissue LocationsBrain
Cellular LocationsMitochondria
Metabolite PathwaysBeta-mercaptolactate-cysteine disulfiduria
Verwendung und Herstellung
Uses
Used as a dental bleach, reducing agent, and antiseptic; [Merck Index] Permitted for use as an inert ingredient in non-food pesticide products; [EPA]
Using Disinfectants or Biocides [Category: Clean]
U.S. Production2023: 51,128 lb
Industry UsesReducing agent
General Manufacturing Information
Food, beverage, and tobacco product manufacturing
Sulfurous acid: ACTIVE
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