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Clean line icon of SO and 2 inside a partial circle. Used for allergen labels, food menus, packaging, and dietary warnings.

Allergens Sulfites

Sharp line icon of the letters SO with a subscript 2. Used for sulfur dioxide, chemistry, and chemical formulas.

Rounded solid icon of the SO₂ formula, with a large S and O plus a small subscript 2. Used for chemistry, gases, and science.

So2 Fill

Minimal line icon of bold S and O with a lowered 2. Used for chemistry, formulas, and gas labels.

Clean line icon of the letters SO with a small subscript 2. Used for chemical formulas, science apps, and lab interfaces.

Sharp solid icon of the chemical formula SO₂ with a subscript 2. Used for chemistry, air quality, and environmental monitoring.

Clean solid icon of the chemical formula SO₂ with a small subscript 2. Used for chemistry, science, formulas, and education.

Sulfur Oxide

Clean gradient icon of SO₂ inside a broken circular ring. Used for allergen labels, food packaging, and ingredients.

Clean flat icon of the letters SO and number 2 inside a partial circle. Used for sulfite allergens.

Clean duotone icon of a circle with SO and a stylized 2 inside. Used for sulfite allergen labels and food menus.

Rounded line icon of the letters SO with a small subscript 2. Used for chemistry, formulas, and science apps.

The So2 icon shows the letters “SO” followed by a small subscript 2, representing a chemical formula. Drawn in the line style on a 24px grid so it stays clear at small sizes. Use it for chemistry tools, science education, laboratory software, molecular references, and environmental data interfaces. It belongs to Outlined Line - Streamline Material set in the Streamline Material family.

<p>Improved Material Line Icons redrawn using Material Design Guidelines with better coverage and consistency. Fixed where originals fell short.</p>

Outlined Line - Streamline Material

<p>Everything you love about Material, without the flaws. We fixed inconsistencies, expanded the library, and rebuilt it for total coverage.</p>

So2 is a line-style Icon from Outlined Line - Streamline Material set.