sulfur dioxide (SO2)

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Introduction

A colorless, non-flammable gas with a strong, suffocating odor.

It is a component of smog.[2]

It is a reducing agent used to prevent oxidative degradation of food & medicinal products.

When dissolved in water, sulfur dioxide forms sulfurous acid.

SO2  + H2O  <-->  H2SO3

More general terms

Additional terms

References

  1. Webster's Ninth New Collegiate Dictionary, Miriam- Webster Inc. Springfield, MA 1990
  2. 2.0 2.1 Chemical & Engineering News, Sept 8, 2003

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