Chemical Tube Bubbles black outline icon
Outline test tube holding liquid with bubbles inside and rising above the rim
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About the Chemical Tube Bubbles black outline icon
A round-bottomed test tube with a wide flat rim holds a fill line of liquid dotted with small bubbles, and three more bubbles float above the opening. It conveys reactions, sampling, analysis and experimentation, and works well in chemistry courseware, lab management software, pharmaceutical research pages, science fair materials and school textbook diagrams.
The lip is drawn as a separate rounded bar, which keeps the tube distinct from a plain vial, and the scattered circles imply motion without extra detail. It pairs with microscope, flask and molecule icons; at 24 px, keep only the larger bubbles so the shape stays clean.
This is the black outline version of the chemical tube bubbles icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
