744255

Schwefeldioxid

≥99.98%

• 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: 329765683
• NACRES: NA.22

Eigenschaften

• Dampfdichte: 2.26 (21 °C, vs air)
• Qualitätsniveau: 200
• Dampfdruck: 1779 mmHg ( 21 °C)
• Assay: ≥99.98%
• Form: gas
• 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 (SO₂) can be used:

• In the palladium catalyzed aminosulfonylation reaction.
• To prepare 1,4-diazabicyclo[2.2.2]octane [DABCO. (SO₂)₂] or DABSO, which is used as a reagent to synthesize N-aminosulfonamides via aminosulfonylation process using palladium catalyst.
• To synthesize polysulfobetaine (PSB/SO₂) copolymer.

Verpackung

500ml high pressure aluminum cylinder equipped with a stainless steel valve according to DIN 477-1.

Sonstige Hinweise

For 744255-450G-EU packaging: 500 mL of aluminium cylinder equipped with brass valve.

Empfohlene Produkte

For 744255-450G-EU: outlet fitting: DIN 477-1 no. 1, Z742160 or Z742161 are the recommended regulators.

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