HEALTH EFFECTS
Healthy nonasthmatics respond to higher concentrations of sulfur dioxide (≥1.0 ppm). Factors that can exacerbate the respiratory effects of sulfur dioxide include exercise and breathing of dry or cold air. Animal data …
Sulfur dioxide
Other names: Sulfurous acid anhydride; Fermenicide powder; Fermenticide liquid; Sulfur oxide (SO2); Sulfurous anhydride; Sulfurous oxide; SO2; Sulphur dioxide; Fermenicide liquid; Schwefeldioxyd; Siarki dwutlenek; Sulfur oxide; UN 1079; Sulfur dioxide (SO2); Sulfur superoxide Permanent link for this species. Use this link for bookmarking this ...
Sulfur Dioxide | Toxicological Profile | ATSDR
For more information, contact: Agency for Toxic Substances and Disease Registry. Office of Innovation and Analytics, Toxicology Section. 4770 Buford Highway. Chamblee, GA 30341-3717. Phone: 1-800-CDC-INFO 888-232-6348 (TTY) Email: Contact CDC-INFO. ATSDR can also tell you the location of occupational and environmental health clinics.
Sulfur Dioxide | Public Health Statement | ATSDR
The effects of exposure to any hazardous substance depend on the dose, the duration, how you are exposed, personal traits and habits, and whether other chemicals are present. For more information, call the ATSDR Information Center at 1-800-232-4636. This public health statement tells you about sulfur dioxide and the effects of exposure.
Sulfur Dioxide Basics | Sulfur Dioxide (SO2) Pollution | US …
SO 2 emissions that lead to high concentrations of SO 2 in the air generally also lead to the formation of other sulfur oxides (SO x ). SO x can react with other compounds in the atmosphere to form small particles. These particles contribute to particulate matter (PM) pollution: particles may penetrate deeply into sensitive parts of …
Acid Rain Program | US EPA
The Acid Rain Program (ARP), established under Title IV -Acid Deposition Control (pdf) (156.3 KB) requires major emission reductions of sulfur dioxide (SO 2) and nitrogen oxides (NO x ), the primary precursors of acid rain, from the power sector. The SO 2 program sets a permanent cap on the total amount of SO 2 that may be emitted by …
ATSDR Sulfur Dioxide ToxFAQs
Sulfur dioxide is a colorless gas with a pungent odor. It is a liquid when under pressure, and it dissolves in water very easily. Sulfur dioxide in the air comes mainly from …
PUBLIC HEALTH STATEMENT
Sulfur dioxide in the air results primarily from activities associated with the burning of fossil fuels (coal, oil) such as at power plants or from copper smelting. In nature, sulfur dioxide can be released to the air, for example, from volcanic eruptions. Chapters 3 and 4 contain further information.
Sulfur dioxide | Minnesota Pollution Control Agency
Sulfur dioxide. Sulfur dioxide (SO2), a foul-smelling toxic gas, is part of a larger group of chemicals called sulfur oxides. These gases, especially SO2, are emitted by the burning of fossil fuels or other materials that contain sulfur. Sulfur dioxide can damage trees and plants, inhibit plant growth, and damage sensitive ecosystems and waterways.
Methods for Detecting Sulfur Dioxide in the Oil and Gas …
Interscan's GasD 8000 Series Portable Gas Analyzers for sulfur dioxide can measure three emission ranges of 0-20 ppm, 0-2000 ppb, and 0-50 ppm at resolutions of 0.01 ppm, 1 ppb, and 0.1 ppm, respectively. Several oil and gas companies have still not complied with measures to control pollutants, including SO2.
Sulfur Dioxide | Medical Management Guidelines | Toxic …
At room temperature, sulfur dioxide is a nonflammable, colorless gas with a very strong, pungent odor. Most people can smell sulfur dioxide at levels of 0.3 to 1 ppm. It is handled and transported as a liquefied compressed gas. It easily dissolves in water. The liquid is heavier than water. Although sulfur dioxide does not burn in air, cylinders of …
Sulfur Dioxide | Earthdata
Sulfur dioxide (SO2) is a non-inflammable colorless gas. SO2 is usually oxidized by ozone and hydrogen peroxide to form sulfur trioxide, a secondary pollutant …
Sulfur Dioxide Basics | US EPA
Last updated on January 31, 2024. Sulfur dioxide (SO2) is one of a group of highly reactive gasses known as "oxides of sulfur," and are emitted into the air as result of fossil fuel …
Sulfur Dioxide | Emergency and Continuous Exposure Limits …
Much information is available on ambient sulfur dioxide concentrations, and the assay system is well standardized and reasonably accurate. Among the procedures used are acidimetry, colorimetry, electrochemistry, fluorimetry, flame photometry, and emission and absorption spectroscopy (Cheremisinoff and Morresi, 1981; Perry and Young, 1977).
Sulfur dioxide | Definition, Sources, & Uses | Britannica
Sulfur dioxide, inorganic compound, a heavy, colorless, poisonous gas. It is produced in huge quantities in intermediate steps of sulfuric acid manufacture. It occurs in nature in volcanic gases and in solution in the waters of some warm springs. …
Solved One step in the production of sulfuric acid is the
Step 1. One step in the production of sulfuric acid is the oxidation of sulfur dioxide with nitrogen dioxide at high temperature (1200.∘C) : SO2(g)+NO2(g)⇌SO3(g)+ NO(g) Note: Reference the Fundamental constants and Thermodynamic properties of pure substances tables for additional information. Part: 0 / 3 Part 1 of 3 Calculate the ...
Sulfur Dioxide | Encyclopedia
Sulfur Dioxide. Sulfur dioxide, with chemical formula SO 2, is a colorless gas with an irritating, choking odor.Normally a gas, sulfur dioxide has a density of 2.551 g/L and a solubility in water of 9.4 g per 100 mL (at 25 ° C). It has a melting point of − 98.3 ° F (− 72.4 ° C) and a boiling point of 14 ° F (− 10 ° C).. Sulfur dioxide is produced …
Sulfur Dioxide | Earthdata
Sulfur dioxide (SO2) is a non-inflammable colorless gas. SO2 is usually oxidized by ozone and hydrogen peroxide to form sulfur trioxide, a secondary pollutant that is extremely soluble in water. Droplets of sulfuric acid (acid rain) are formed when sulfur oxides are present in the atmosphere. The production of SO2 originating from coal-fired …
Global Sulfur Dioxide Monitoring Home Page
The OMI/TOMS Sulfur Dioxide Group uses Ozone Monitoring Instrument (OMI) and Total Ozone Mapping Spectrometer (TOMS) data to measure and map volcanic sulfur dioxide and ash …
Sulfur Dioxide | SO2 | CID 1119
Sulfur Dioxide | SO2 or O2S | CID 1119 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, …
Acid rain facts and information
Acid rain describes any form of precipitation that contains high levels of nitric and sulfuric acids. It can also occur in the form of snow, fog, and tiny bits of dry material that settle to Earth ...
Sulfur Dioxide Basics | Sulfur Dioxide (SO2) Pollution | US EPA
SO 2 emissions that lead to high concentrations of SO 2 in the air generally also lead to the formation of other sulfur oxides (SO x ). SO x can react with other compounds in the atmosphere to form small particles. These particles contribute to particulate matter (PM) pollution. Small particles may penetrate deeply into the lungs …
Sulfur Dioxide | Air & Radiation | US EPA
This site provides information about sulfur dioxide and its effects.
Sulfur dioxide
Formula: O 2 S. Molecular weight: 64.064. IUPAC Standard InChI: InChI=1S/O2S/c1-3-2. Copy Sheet of paper on top of another sheet. IUPAC Standard InChIKey: RAHZWNYVWXNFOC-UHFFFAOYSA-N. Copy Sheet of paper on top of another sheet. CAS Registry Number: . Chemical structure: This structure is also available as …
ANALYTICAL METHODS
Analytical Methods for Determining Sulfur Dioxide in Environmental Samples. NIOSH recommends ion chromatography (Method 6004) for the determination of sulfur dioxide in ambient air ( NIOSH 1994a ). Method 6004 is specific for sulfur dioxide and is applicable to STEL samples; the working range is 0.5-20 mg/m 3 (0.2-8 ppm) for a 100-L air sample ...
CDC
Sulfur dioxide. Colorless gas with a characteristic, irritating, pungent odor. [Note: A liquid below 14°F. Shipped as a liquefied compressed gas.] Powdered alkali metals (such as sodium & potassium), water, ammonia, zinc, aluminum, brass, copper [Note: Reacts with water to form sulfurous acid (H 2 SO 3 ).] NIOSH.
Sulfur Dioxide | American Lung Association
What Is Sulfur Dioxide? Sulfur dioxide (SO 2) is a gaseous air pollutant composed of sulfur and oxygen.SO 2 forms when sulfur-containing fuel such as coal, petroleum oil, or diesel is burned. Sulfur dioxide gas can also change chemically into sulfate particles in the atmosphere, a major part of fine particle pollution, which can blow hundreds of miles away.
Sulfur Dioxide Effects on Health
Sulfur dioxide (SO 2) is a colorless, reactive air pollutant with a strong odor. This gas can be a threat to human health, animal health, and plant life. The main sources of sulfur dioxide emissions are from fossil fuel combustion and natural volcanic activity. Hawai'i Volcanoes National Park (NP) is unique in the national park system because ...
Sulfur Dioxide & Health | California Air Resources Board
Air Quality Standard. (SO2) 0.25 ppm. 0.04 ppm. None. What is sulfur dioxide (SO2)? Sulfur dioxide (SO2) is comprised of one atom of sulfur and two atoms of oxygen, and is a gas at ambient temperatures. It has a pungent, irritating odor. SO2 is a member of a family of chemicals comprised of sulfur and oxygen that are collectively known as ...
Sulfur Dioxide | Medical Management Guidelines | Toxic …
Description. At room temperature, sulfur dioxide is a nonflammable, colorless gas with a very strong, pungent odor. Most people can smell sulfur dioxide at levels of 0.3 to 1 …