295698

Schwefeldioxid

≥99.9%

• Synonym(e): Sulfurous anhydride, Sulfurous oxide, Sulphur dioxide
• Lineare Formel: SO₂
• CAS-Nummer: 7446-09-5
• Molekulargewicht: 64.06
• Beilstein: 3535237
• EG-Nummer: 231-195-2
• MDL-Nummer: MFCD00011450
• UNSPSC-Code: 12142100
• PubChem Substanz-ID: 24857804
• NACRES: NA.22

Eigenschaften

• Dampfdichte: 2.26 (21 °C, vs air)
• Dampfdruck: 1779 mmHg ( 21 °C)
• Assay: ≥99.9%
• bp: −10 °C (lit.)
• mp (Schmelzpunkt): −73 °C (lit.)
• Dichte: 1.25 g/mL at 25 °C (lit.)
• SMILES String: O=S=O
• InChI: 1S/O2S/c1-3-2
• InChIKey: RAHZWNYVWXNFOC-UHFFFAOYSA-N

Beschreibung

Anwendung

Sulfur dioxide is primarily used as a feedstock for the production of sulfuric acid (contact process). It is generally used in the synthesis of a variety of sulfur-containing organic compounds like alkyl/aryl sulfonyl chlorides, sulfinates, sultines, and polysulfone.

Verpackung

Packaged in carbon steel lecture bottles with CGA 110F/180M Al-Si-Bronze needle valve.

Sonstige Hinweise

See Technical Information Bulletin AL-151 Gas Regulators: Selection, Installation, and Operation

Rechtliche Hinweise

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Sicherheitshinweise

• Piktogramme: GHS04,GHS06,GHS05
• Signalwort: Danger
• H-Sätze: H280,H314,H331
• P-Sätze: P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P410 + P403
• Gefahreneinstufungen: Acute Tox. 3 Inhalation - Eye Dam. 1 - Press. Gas Liquefied gas - Skin Corr. 1B
• Lagerklassenschlüssel: 2A - Gases
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: Faceshields, Gloves, Goggles, multi-purpose combination respirator cartridge (US)