Some chemicals shouldn't be mixed together. In fact, these chemicals shouldn't even be stored near each other on the chance that an accident could occur and the chemicals could react. Some examples of mixtures to avoid can be found on various websites eg incompatible chemical mixtures.
| DON'T MIX
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WITH
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| Acetone (CH3COCH3) (propanone)
|
Concentrated sulphuric acid, nitric acid, or mixtures thereof.
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| Acetyl chloride ( CH3COCl ) (ethanoyl chloride)
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Water or alcohols.
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| Acetylene (CH=CH)
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Halogens, copper, silver, mercury
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| Alkaline ethanolates og -ethoxides
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Water
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| Alkali metals (Li, Na, K)
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Water, carbon dioxide, carbon tetrachloride or other chlorinated hydrocarbons.
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| Alkaline methanolates and methoxides
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Water.
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| Aluminium (Al)
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Hydrochloric acid, warm concentrated sulfuric acid, perchloric acid, strong bases, water, carbon dioxide, carbon tetrachloride and other chlorinated hydrocarbons. |
| Aluminium alkyls | Water. |
| Ammonia (NH3)
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Mercury, halogens, hypochlorite and hydrofluoric acid.
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| Ammonium nitrate (NH4NO3)
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Acids, metal powders, flammable liquids, chlorates, nitrates, nitrites, sulfur, powdered organic material.
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| Aniline (C6H5NH2) | Nitric acid, hydrogen peroxide. |
| Benzol chloride (C6H5COCl) | Water. |
| Hydrogen cyanide (HCN) | Nitric acid, alkalis. |
| Boron compounds | Water. |
| Boron trihalides | Alcohols, water. |
| Bromine (Br2) | Ammonia, acetylene, alkanes, alkenes, alkynes, benzene, hydrogen, sodium carbide, vegetable turpentine, metallic powders. |
| Calcium (Ca) | Carbon dioxide, carbon tetrachloride and other chlorinated hydrocarbons, water. |
| Calcium oxide (CaO) (burnt lime) | Water. |
| aktive Carbon (C) | Calcium hypochlorite. |
| Carbonyls | Water. |
| Chlorine (Cl2) | Ammonia, acetylene, alkanes, alkenes, alkynes, benzene, hydrogen, sodium carbide, vegetable turpentine, metallic powders, water. |
| Chlorine sulfonic acid (ClSO2OH) | Metals, water. |
| Chlorates (ClO3-) | Ammonium salts, acids, metal powders, sulfur, carbon, powdered organic matter. |
| Chlorine dioxide (ClO2) | Ammonia, methane, phoshine, hydrogen sulfide.
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| Chromic acid and chromic trioxide (CrO3) | Acetic acid, naphthalene, camphor, glycerol, vegetable turpentine, alcohol, other flammable liquids. |
| Cyanides | Acids. |
| Cyanogen (N=C-C=N) and cyanogen halides | Water. |
| Diborane (B2H6) | Water. |
| Disulfur dichloride (S2Cl2) (sulphur chloride) | Water. |
| Acetic acid (CH3COOH) | Chromic or nitric acids, compounds containing hydroxyl groups, ethylene glycol, oxidizing agents such as perchloric acid, peroxides and permanganate. |
| Fluorine (F2) | Anything at all! |
| Grignard reagents | Water. |
| Hydrazine (H2NNH2) | Oxidizing substances such as hydrogen peroxide and nitric acid. |
| Hydrides | Water, oxidizing compounds.
|
| Hydrogen fluoride (HF) (fluoric acid) | Anything at all! |
| Hydrogen peroxide (H2O2) | Ground iron, copper, chromium, lead, silver, manganese, and salts of these metals; flammable liquids, aniline, nitromethane. |
| Iodine (I2) | Ammonia, acetylene, alkanes, alkenes, alkynes, hydrogen, metal powders. |
| Isocyanate | Water. |
| Potassium permanganate (KMnO4) | Glycerol, ethylene glycol, benzaldehyde, sulfuric acid. |
| Copper (Cu) | Acetylene, hydrogen peroxide. |
| Hydrocarbons | Halogens, chromium trioxide, peroxides. |
| Mercury (Hg) and its salts | Acetylene, hydrogen, ammonia. |
| Magnesium (Mg) | Carbon dioxide, carbon tetrachloride, other chlorinated hydrocarbons, water. |
| Magnesium alkyls | Water. |
| Methyl trichlorosilicane (CH3SiCl3)
|
Water.
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| Sodium nitrite (NaNO2)
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Ammonium nitrate and other ammonium salts, acids.
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| Sodium peroxide (Na2O2) | Oxide-containing materials such as methanol, ethanol, glacial acetic acid, acetic anhydride, benzaldehyde, sulfur carbon, glycerol, ethylene glycol, ethyl acetate, methyl acetate, furfural. |
| Sodium azide (NaN3) | Water. |
| Nitroparaffins | Inorganic amines?? |
| Oxalic acid ((COOH)2) | Silver, mercury. |
| Oxygen (O2) | Oils, grease, hydrogen, flammable liquids, solids or gases |
| Perchloric acid (HClO4) | Acetic anhydride, alcohols, paper, wool, other organic material. |
| Peroxides, organic | Acids (mineral or organic) |
| Phosphorus, yellow | Air, halogens, corrosive bases, reducing agents. |
| Phosphorus, white | Air, oxygen, corrosive bases, reducing agents. |
| Phosphoric nitrides | Water. |
| Phosphorus oxyhalides | Water. |
| Phosphorus pentoxide (P2O5) | Water. |
| Phosphorus trihalides and -pentahalides | Water. |
| Propionyl chloride (CH3CH2COCl) | Water, alkohols. |
| Nitric acid (HNO3) | Acetic acid, acetone, alcohols, aniline, hydrogen cyanide, chromium trioxide, hydrogen sulfide, combustible organic matter, copper, zinc, nitrogen containing compounds. |
| Silicon tetrachloride (SiCl4) (tetrachlorosilane) | Water, alcohols. |
| Sulfuryl chloride (SO2Cl2) (sulfonyl chloride) | Water, bases. |
| Sulfur (S) (Sulphur) | Chlorates, perchlorates. |
| Sulfur dichloride (SCl2) | Water, alcohols. |
| Sulfuric acid (H2SO4) or oleum | Chlorates, perchlorates, permanganates, water. |
| Sulfur tetrachloride (SCl4) | Water. |
| Silver (Ag) and its salts | Acetylene, hydrogen, oxalic acid, tartaric acid, ammonia, ammonium salts.
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| Thionyl chloride (SOCl2)
|
Water.
|
| Titanium tetrachloride (TiCl4)
|
Water.
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| Zinc (Zn)
|
Water.
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| Zinc alkyls
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Water.
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| Tosyl isocyanates (CH3C6H4SO2-isocyanate) | Water. |