744255

Sulfur dioxide

≥99.98%

• Linear Formula: SO₂
• CAS Number: 7446-09-5
• Molecular Weight: 64.06
• Beilstein: 3535237
• EC Number: 231-195-2
• MDL number: MFCD00011450
• UNSPSC 코드: 12142100
• PubChem Substance ID: 329765683
• NACRES: NA.22

속성

• vapor density: 2.26 (21 °C, vs air)
• Quality Level: 200
• vapor pressure: 1779 mmHg ( 21 °C)
• 분석: ≥99.98%
• 형태: gas
• bp: −10 °C (lit.)
• mp: −73 °C (lit.)
• density: 1.25 g/mL at 25 °C (lit.)
• SMILES string: O=S=O
• InChI: 1S/O2S/c1-3-2
• InChI key: RAHZWNYVWXNFOC-UHFFFAOYSA-N

설명

애플리케이션

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.

포장

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

기타 정보

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

추천 제품

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

안전성 정보

• 픽토그램: GHS04,GHS06,GHS05
• 신호어: Danger
• 유해 및 위험 성명서: H280,H314,H331
• 예방조치 성명서: P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P410 + P403
• Hazard Classifications: Acute Tox. 3 Inhalation - Eye Dam. 1 - Press. Gas Liquefied gas - Skin Corr. 1B
• Storage Class Code: 2A - Gases
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable