---
title: "So2 Icon | Free Download PNG & SVG | Rounded Line - Streamline Material"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/so2--32931
canonical_url: "https://www.streamlinehq.com/icons/download/so2--32931"
summary: "Rounded line icon of the letters SO with a small subscript 2. Used for chemistry, formulas, and science apps."
---

# So2 icon

The So2 icon shows bold rounded letters “SO” with a smaller subscript 2. Drawn in the line style on a 24px grid for a clean, consistent interface appearance. Use it for chemistry tools, molecular formulas, science education, laboratory dashboards, and environmental data. It belongs to Rounded Line - Streamline Material set in the Streamline Material family.

## Preview

![Rounded line icon of the letters SO with a small subscript 2. Used for chemistry, formulas, and science apps.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/social/so2-a4a2d.png?_a=DATAiZkSZAA0)

## Details

- **Name**: So2
- **Type**: Icon
- **Set**: [Rounded Line - Streamline Material](/icons/material-pro-rounded-line.md) — Material Pro Rounded Line variant features rounded corner styles in line format, following Google's Material Design with enhanced coverage and consistency.
- **Family**: [Streamline Material](/icons/material-pro.md)
- **Style**: Line, Outlined, Geometric
- **Category**: Social › Social
- **Default size**: 24px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: so2, sulfur dioxide, sulfur, so, gas, pollutant, emissions, atmospheric, chemistry, molecule

## Download

- [Download So2 on Streamline](https://www.streamlinehq.com/icons/download/so2--32931)

## Also available in other styles

- [So2 — Outlined Line - Streamline Material](/icons/download/so2--32261.md) (Pro)
- [So2 — Sharp Line - Streamline Material](/icons/download/so2--32890.md) (Pro)

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