| Abbreviation | Definition |
|---|---|
| ICON | Isotopes of Carbon, Oxygen, and Nitrogen |
| ICP | Innovative Chemical Products |
| ICP-AES | Inductively Coupled Plasma Atomic Emission Spectroscopy |
| ICPMS | International Community of Pure and Applied Chemistry |
| ICP-OES | Inductively Coupled Plasma - Optical Emission Spectroscopy |
| ICP-OPS | Inductively coupled plasma - optical emission spectroscopy |
| ICR | Inanimate Carbon Rod |
| ICSC | International Chemical Safety Card |
| ICSC | International Chemical Safety Cards |
| ICSD | Inorganic Crystal Structure Database |
| ICSS | Interactive Chemical Safety for Sustainability |
| ICSSP | Integrated Chemical Safety and Security Program |
| ICT | Industrial Chemical Training |
| IDMS | Isotope Dilution Mass Spectrometry |
| IDP | Instant Dissolving Process |
| IDTC | Innovative Doctoral Training in Chemistry |
| IE | Identical Element |
| IE | Inert Electrolyte |
| IE | Ionization Energy |
| IEET | IntraMolecular Electronic Energy Transfer |