Sulfur oxide, Sulfurous acid anhydride, Sulfurous oxide Colorless gas with a characteristic, irritating, pungent odor. [Note: A liquid below 14°F. Shipped as a liquefied compressed gas.]

Jan 2, 2026 · Sulfur dioxide (SO 2) is a colorless, toxic gas that can irritate people’s airways when inhaled. Processes that emit sulfur dioxide include fossil fuel burning from power plants and …

Aug 28, 2025 · Sulfur Dioxide On this page What are other names or identifying information for sulfur dioxide? ... CAS Registry No.: 7446-09-5 Other Names: Sulphur dioxide, SO 2, Sulfur …

Feb 16, 2024 · The EPA regulates six pollutants as “criteria” air pollutants. It regulates them using human health-based and environmentally based criteria. Ground-level ozone and particle …

Apr 22, 2024 · Carbon dioxide (CO 2) Sulfur dioxide (SO 2) Hydrogen chloride (HCl) Hydrogen sulfide (H 2 S) Radon (Rn) Hydrogen fluoride (HF) Sulfuric acid (H 2 SO 4) Many volcanic …

What are unintentional release measures for sulfur dioxide? What handling and storage practices should be used when working with sulfur dioxide? What is the American Conference of …

Based on acute inhalation toxicity data in humans, the original IDLH for sulfur dioxide (100 ppm) is not being revised at this time.

Sulfur dioxide (SO 2) is a short-lived gas primarily produced by volcanoes, power plants, refineries, metal smelting, and burning of fossil fuels. Where SO 2 remains near Earth's …

Apr 22, 2024 · However, heavy gases such as carbon dioxide and hydrogen sulfide can collect in low-lying areas. The most common volcanic gas is water vapor, followed by carbon dioxide …

NASA's Satellite Needs Working Group solution aims to provide an hourly sulfur dioxide (SO2) concentration product and additional trace gas measurements from the Tropospheric …