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Table of Incompatible Chemicals

The following substances may react violently with one another and must be kept apart.

 

ChemicalIs Incompatible with
Acetic acidChromic acid, nitric acid alcohols, ethylene glycol, perchloric acid, peroxides, permanganates
AcetoneConcentrated nitric and sulfuric acid mixtures
AcetyleneChlorine, bromine, fluorine, copper, silver, mercury
AcidsBases
Activated
Carbon
Calcium hypochlorite, oxidizing agents
Alkali MetalsWater, carbon tetrachloride and other halogenated alkanes, carbon dioxide, halogens
Aluminum
Alkyls
Water
Ammonia,Mercury (e.g., in pressure gauges), laboratory gas chlorine, calcium hypochlorite, iodine, bromine, hydrogen fluoride
AmmoniumAcids, powered metals, flammable liquids, chlorates, nitrates, sulfur, fine-particulate organic Nitrate or combustible materials.
AnilineNitric acid, hydrogen peroxide
AzidesAcids
BasesAcids
BromineSee chlorine
Carbon
Tetrachloride
Sodium
ChloratesAmmonium salts, acids, powered metals, sulfur, fine-particulate organic or combustible substances
ChlorineAmmonia, acetylene, butadiene, butane, methane, propane, hydrogen, petroleum benzine, benzene, powered metals
Chromic AcidAcetic acid, naphthalene, camphor, glycerol, petroleum benzine, alcohols, flammable liquids
CopperAcetylene, hydrogen peroxide
Cumene
Hydroperoxide
Acids, both organic and inorganic
CyanidesAcids
Flammable LiquidsAmmonium nitrate, chromic acid, hydrogen peroxide, nitric acid, sodium peroxide, halogens
FluorineStore separately
Hydrocarbons
(butane, propane,
benzene, etc.)
Fluorine, chlorine, bromine, chromic acid, sodium peroxide
Hydrogen FluorideAmmonia, laboratory gas or solution
Hydrogen PeroxideCopper, Chromium, iron, metals and metals salts, alcohols, acetone, organic substances, aniline, nitromethane, combustibles (solid or liquid)
Hydrogen SulfideFuming nitric acid, oxidizing gases
IodineAcetylene, ammonia (laboratory gas or solution)
MercuryAcetylene, ammonia
Nitric Acid, Conc.Acetic acid, aniline, chromic acid, prussic acid, hydrogen sulfide, flammable liquids and gases
Oxalic AcidSilver, mercury
Perchloric AcidAcetic anhydride, bismuth and its alloys, alcohols, paper, wood
PhosphorusSulfur, oxygen-containing compounds with such as chlorates
PotassiumSee alkali metals
Potassium ChlorateSee chlorates
Potassium PerchlorateSee chlorates
Potassium
Permanganate
Glycerol, ethylene glycol, benzaldehyde, sulfuric acid
SilverAcetylene, oxalic acid, tartaric acid, ammonium compounds.
SodiumSee alkali metals
Sodium PeroxideMethanol, ethanol, glacial acetic acid, anhydride, benzaldehyde, carbon disulfide, glycerol, ethylene glycol, ethyl acetate, methyl acetate, furfurol
SulfidesAcids
Sulfuric AcidPotassium chlorate, potassium perchlorate, potassium permanganate

Please note: This is not an exhaustive list of incompatible chemicals. See the specific lab standard operating procedures or your Lab Supervisor/Principal Investigator to determine additional material incompatibilities of which to be aware.

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