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The following represents a partial list of common incompatible chemicals (Reactive Hazards). Substances in the left hand column should be stored and handled so that they can not accidentally contact corresponding substances in the right hand column under uncontrolled conditions.
| Acetic acid |
Chromic acid, nitric acid, hydroxyl-containing compounds, ethylene glycol, perchloric acid, peroxides, permanganates |
| Acetic anhydride |
Hydroxyl containing compounds such as ethylene glycol, perchloric acid |
| Acetone |
Concentrated nitric and sulfuric acid mixtures, hydrogen peroxide |
| Acetylene |
Chlorine, bromine, copper, silver, fluorine, mercury |
| Alkali and alkaline earth metals, such as sodium, potassium, lithium, magnesium, calcium, and powdered aluminum |
Carbon dioxide, carbon tetrachloride, other chlorinated hydrocarbons (also prohibit the use of water, foam , and dry chemical extinguishers on fires involving these metals- dry sand should be employed) |
| Ammonia (anhydrous) |
Mercury, chlorine, calcium hypochlorite, iodine, bromine, hydrogen fluoride, any mineral acid |
| Ammonium nitrate |
Acids, metal powders, flammable liquids, chlorates, nitrites, sulfur, finely divided organics, combustibles |
| Aniline |
Nitric acid, hydrogen peroxide |
| Antimony pentasulfide (golden antimony sulfide) |
Chlorates, nitrates, other oxidizing agents, acids |
| Bromine |
Ammonia, acetylene, butadiene, butane, other petroleum gases, sodium carbide, turpentine, benzene, finely metals |
| Calcium hypochlorite |
Acid, moisture |
| Calcium oxide |
Water |
| Carbon, activated |
Calcium hypochlorite, other oxidants |
| Chlorates (potassium chlorate) |
Ammonium salts, acids, metal powders, sulfur, hypophosphites, finely divided organics, combustibles |
| Chlorine |
Ammonia, acetylene, butadiene, butane, other petroleum gases, hydrogen, hydrocarbons, sodium carbide, turpentine, benzene, finely divided metals |
The following represents a partial list of common incompatible chemicals (Reactive Hazards)
(continued).
Substances in the left hand column should be stored and handled so that they can not accidentally contact corresponding substances in the right hand column under uncontrolled conditions.
| Chlorine dioxide |
Ammonia, carbon monoxide, mercury, methane, phosphine, hydrogen sulfide |
| Chlorosulfonic acid |
Water, metals |
| Chromic acid and chromium trioxide |
Acetic acid, naphthalene, camphor, glycerol, glycerine, turpentine, alcohol, other flammable liquids |
| Copper |
Acetylene, hydrogen peroxide |
| Cumene hydroperoxide |
Acids (organic or mineral) |
| Cyanide |
Any acid, nitrates or nitrites, molten potassium, or sodium salts |
| Fluorine |
Isolate from everything |
| Hydrazine |
Hydrogen peroxide, nitric acid, any other oxidant |
| Hydrocarbons (benzene, butane, propane, gasoline, turpentine, etc.) |
Fluorine, chlorine, bromine, chromic acid, peroxides |
| Hydrochloric acid |
Nitric acid, chlorates, other oxidizing agents, common metals |
| Hydrocyanic acid |
Nitric acid, alkalis |
| Hydrofluoric acid (anhydrous), Hydrogen fluoride |
Ammonia (aqueous or anhydrous) |
| Hydrogen peroxide |
Copper, chromium, iron, most metals or their salts, any flammable liquid, combustible materials, aniline, nitro-methane |
| Hydrogen sulfide |
Fuming nitric acid, oxidizing gases, other oxidizing materials |
| Iodine |
Acetylene, ammonia, (anhydrous or aqueous), hydrogen |
| Mercury |
Acetylene, fulminic acid (produced in nitric acid ethanol mixtures), ammonia |
| Nitric acid (concentrated) |
Acetic acid, acetone, alcohol, aniline, chromic acid, hydrocyanic acid, hydrogen sulfide, flammable liquids, flammable gases, fulminates, picrates, chlorates, turpentine, carbides, metallic powders, nitritable substances |
| Nitroparaffins |
Inorganic bases, amines |
| Oleum (fuming sulfuric acid) |
Water |
| Oxalic acid |
Silver and mercury and their salts |
| Oxygen |
Oils, grease, hydrogen, flammable: liquids, solids, gases |
| Perchloric acid |
Acetic anhydride, bismuth and its alloys, alcohol, paper, wood, grease, oils (all organics), any dehydrating agent |
The following represents a partial list of common incompatible chemicals (Reactive Hazards)
(continued).
Substances in the left hand column should be stored and handled so that they can not accidentally contact corresponding substances in the right hand column under uncontrolled conditions.
| Peroxides, organic |
Acids (organic or minerals), also avoid friction store in cold place |
| Picric acid |
Metals |
| Phosphorus (white) |
Air, oxygen |
| Phosphorus pentoxide |
Alcohol, strong bases, water |
| Potassium chlorate |
Acids (see also chlorates) |
| Potassium perchlorate |
Acids (see also perchlorates) |
| Potassium permanganate |
Glycerol, ethylene glycol, benzaldehyde, sulfuric acid, alcohol, ethers, flammable gases, combustible materials |
| Silver and its salts |
Acetylene, oxalic acid, tartaric acid, fulminic acid (produced in nitric acid ethanol mixtures), ammonia compounds, picric acid |
| Sodium |
See alkali metals (above) |
| Sodium chlorite |
Combustible materials, sulfur, acids |
| Sodium nitrite and nitrate |
Ammonium nitrate and other ammonium salts |
| Sodium peroxide |
Any oxidizable substance, such as ethanol, methanol, glacial acetic acid, acetic anhydride, benzaldehyde, carbon disulfide, glycerol, ethylene glycol, ethyl acetate, methyl acetate, furfural |
| Sulfuric acid |
Chlorates, perchlorates, permanganates, sulfides, nitrites, nitrates, fluorides, bromides, iodides, fulminates, metallic powders, carbides, picrates, other combustible materials |
| Sulfur |
Chlorates, nitrates, other oxidizing materials |
| Titanium |
DO NOT USE WATER, CARBON TETRACHLORIDE, FOAM OR DRY CHEMICAL ON TITANIUM FIRES |
| Zinc powder or dust |
Acids, sodium hydroxide, potassium hydroxide |
| Zirconium |
DO NOT USE WATER, CARBON TETRACHLORIDE, FOAM OR DRY CHEMICAL ON ZIRCONIUM FIRES |
Suggested Shelf Storage Pattern
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INORGANIC |
ORGANIC |
| Sulfur, phosphorous, arsenic, phosphorus pentoxide |
Alcohols, glycols, etc. |
| Halides, sulfates, sulfites, thiosulfates, phosphates, etc. |
Hydrocarbons, esters, etc. |
| Amides, nitrates (not ammonium nitrate), nitrites, etc. |
Ethers, ketons, etc. |
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Metals & hydrides (store away from any water) |
Epoxy compounds, isocyanates |
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Hydroxides, oxides, Silicates, etc. |
Sulfides, polysulfides, etc. |
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Arsenates, cyanides, ets. (Store above acids) |
Phenols, cresols |
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Sulfides, selenides, phosphides Carbides, nitrides |
Peroxides, azides, etc. |
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Borates, chromates, manganates Permanganates, etc. |
Acids, anhydrides, peracids, etc. |
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Chlorates, perchlorates, chlorites, Perchloric acid, peroxides, etc. |
Miscellaneous |
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Acids, except nitric |
Miscellaneous (Nitric acid) |
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