901592

Sulfur dioxide solution

0.5 M in THF

• Synonym(s): Sulfurous anhydride, Sulfurous oxide, Sulphur dioxide
• Linear Formula: SO₂
• CAS Number: 7446-09-5
• UNSPSC Code: 12352303
• NACRES: NA.22

Properties

• form: liquid
• reaction suitability: reagent type: reductant
• concentration: 0.5 M in THF
• density: 0.8935 g/mL
• InChI: 1S/O2S/c1-3-2
• InChI key: RAHZWNYVWXNFOC-UHFFFAOYSA-N

Description

Application

Sulfur dioxide solution can be used as a reducing agent for the reduction of:

• Pentavalent arsenic to trivalent arsenic in the presence of sulfuric acid.
• Graphene oxide to graphene in the presence of water.

Valuable reagent offered as a solution in tetrahydrofuran for more convenient handling.

Safety Information

• pictograms: GHS02,GHS08,GHS05,GHS07
• signalword: Danger
• hcodes: H225,H302,H315,H318,H335,H351
• pcodes: P201 - P210 - P280 - P301 + P312 + P330 - P305 + P351 + P338 + P310 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• supp_hazards: EUH018,EUH019
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 1
• flash_point_f: 0.5 °F
• flash_point_c: -17.5 °C