Vol. I · Chemical safety index
Every chemical, every hazard.
One search.
A free open-source growing reference index of 3,259 substances. Type a name, a CAS number or a formula and open a clean, sourced fact sheet in seconds.
Educational content for trained professionals.
Not a Safety Data Sheet, not medical advice. In an emergency, call your local poison control or emergency services immediately. Terms of use
Do not rely on this website in an emergency.
Browse by hazard
Know the pictogram before you open the bottle.
Explosive
Unstable, may explode on shock, friction, flame or heat.
Flammable
Ignites easily near a flame, spark or hot surface.
Oxidizing
May cause or intensify fire; releases oxygen.
Compressed gas
Gas under pressure; cylinder may explode if heated.
Corrosive
Attacks skin, eyes and metals on contact.
Toxic
Fatal or toxic even in small doses.
Harmful / Irritant
Causes irritation, allergic reactions or mild toxicity.
Serious health hazard
Long-term effects: cancer, mutations, reprotoxic, respiratory.
Environmental hazard
Toxic to aquatic life, short or long term.
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The index
Built for lab benches, not marketing decks.
Sourced facts
Every property, hazard statement and pictogram cites its public source: PubChem, ECHA, OSHA or GESTIS.
One page, no tabs
Structure, hazards, storage, PPE, transport, first aid. Everything a bench chemist actually reads, on a single scrollable page.
Search that thinks in CAS
Type 67-64-1, a formula, or a synonym. We resolve it and open the right sheet.
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Pit acetone against ethanol on flash point, LD50, GHS class and compatibility.open
Free tools
Calculators, generators, decoders.
Dilution calculator, ppm converter, GHS label generator, compatibility checker and pictogram decoder. All open, no login required.
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SDS explained.
What is an SDS, how it differs from an MSDS, and a plain-English walkthrough of the 16 GHS sections.