Chemical Storage Incompatibility

CHEMICAL STORAGE INCOMPATIBILITIES

Click from list below to see incompatibility chart

    Oxidizer-Reducer Reactions
    Toxic Gas Formation
    Water & Moist Air Incompatibilities
    Other non-Specific Reactions

OXIDIZER - REDUCER INCOMPATIBILITIES

When combined, strong oxidizers and reducers can result in a violent reaction.
Therefore, Contact between these chemicals Must Be Avoided.

Oxidizers:

Benzoyl peroxide
Bromine
Chloramides
Chlorimides
Hydrogen peroxide solutions
Metal peroxides (i.e. sodium, barium,
zinc)
NBS (N-bromosuccinimide)
NCS (N-chlorosuccinimide)
Osmium tetraoxide

Salts and Solutions of:
Bromates
Bromites
Chlorates
Chlorites
Chromates
Dichromates
Hypochlorites
Iodates
Manganates
Nitrates
Nitrites
Percarbonates
Perchlorates
Periodates
Permanganates
Persulfates
Selenates
Vanadates

Reducers:

Group I metals: Cs, K, Li, Na, Rb and some of these salts

Group II metals: Be, Mg, Ca powder, and some salts of these metals, including Grignard reagents, Ba and Sr

Transition metals: Co, Cr, Fe, Mn, Ni, and V carbonyls
Al, Fe, Ni, Zn powders C

Catalysts: Pd, Pt, Rh, and Ru Others:
Alkenes
Alkynes
Amines
Anilines
Carbon powder
Hydrazine
Hydroxylamine
Indoles
Phenols
Pyrroles
Mercaptans
Phosphines
Phosphorous (any color)
Hydrides
Sulfides
Silicone hydrides
Sodium dithionite or hydrosulfite

Solid Salts and solution of:
Hypophosphites
Phosphites
Sulfites
Sulfides
Thiocyanates
Thiosulfates
Cyanides
Sulfur powder

TOXIC GAS GENERATION

Toxic gases can be produced when certain chemicals are mixed together, whether in a spill or breakage in a package.
The following table represents the production of these gases with respect to the chemicals used to produce them.

COMPOUND	MIXED WITH	PRODUCES
Ammonium Salts	Strong Base	Ammonia
Azide Salts	Strong Acid	Hydrazoic Acid
Bromide Salts	Strong Acid	Hydrogen Bromide
Bromide Salts	Strong Oxidizer	Bromine Vapor
Bromites/Bromates	Strong Acid	Bromine/Bromine Oxides
Chloride Salts	Strong Acid	Hydrogen Chloride
Chloride Salts	Strong Oxidizer	Chlorine Gas
Chlorite or Chlorate Salts	Strong Acid	Chlorine/Chlorine Oxides
Cyanide Salts	Any Acid	Hydrogen Cyanide
Ferrocyanide or Ferrocyanide Salts	Strong Acid	Hydrogen Cyanide
Fluoride Salts	Strong Acid	Hydrogen Fluoride
Hypochlorite Salts	Any Acid	Chlorine
Iodide Salts	Strong Acids	Hydrogen Iodide
Methyl, Nitroso Amides (Diazald)	Any Base	Diazomethane
Nitrite Salts	Strong Acid	Nitric Oxides
Sulfide or Bisulfide Salts	Any Acid	Hydrogen Sulfide
Sulfite or Bisulfite Salts	Any Acid	Sulfur Dioxide

WATER AND MOIST AIR INCOMPATIBILITIES

Certain chemicals used in laboratories have the potential to react with water.
Therefore such chemicals should not be kept in damp areas or in places where they might accidentally contact water.

Immediate Violent Reaction with Water: Aluminum chloride, anhydrous Boron tribromide Chlorosulfonic acid Diketene Fuming sulfuric acid (Oleum) Magnesium chloride, anhydrous Methyl fluorosulfonate Oxalyl chloride Phosphorus pentachloride Phosphorus pentoxide Silicon tetrachloride Titanium tetrachloride Triethyl oxonium hexafluorophosphate Trifluoroacetic anhydride Trimethyl oxonium hexafluorophosphate Trifluoromethane sulfonic anhydride	Immediate Violent Reaction with Water & Ignition in Air as a Result of Reaction: Calcium carbide Group 1A, 2A, 3A alkyls, amides, hydrides and nitrides Lithium aluminum hydride (lithium tetrahidridoaluminate) NaK (sodium-potassium alloy) Potassium metal Sodium metal Absorption of Atmospheric Water Causes Heat &/or Pressure Build-up: Alkyl chloroformates Calcium chloride, anhydrous Chloroacetone Chloroacetaldehyde
Reaction with Water that Slowly Accelerates to Violence: Acetyl chloride Alkyl isocyanates Chloroformate esters Methane sulfonyl chloride Phosphorus tribromide Phosphorus trichloride	Absorption of Atmospheric Water Causes Slow Hydrogen Chloride Release: Arsenic, antimony, and bismuth trichloride Dichlorodimethyl silane Silicon, titanium, vanadium, germanium, and tin tetrachloride, anhydrous Toluenesulfonyl chloride
Reaction with Water that Slowly Accelerates to Violence: Sulfur mono-, di-, and tetra-chlorides Sulfur trioxide Sulfuryl chloride Thionyl chloride	Absorption of Atmospheric Water is Continually diluting salt: Antimony trichloride Ferric perchlorate Mercuric nitrate Sodium sulfide, nonanhydrate
Produces Chlorine Spontaneously: Sulfuryl chloride Phosphorus pentachloride	Self-Pressurizing: Chloroformate esters Chromic acid (spent) Diethyl pyrocarbonate Formic acid Methyl formate
Produces Chlorine Due to Water Absorption: Calcium hypochlorite
Produces Chlorine Due to Carbon Dioxide Absorption: Calcium hypochlorite Sodium hypochlorite solution Methyl ethyl ketone peroxide in Dimethyl htalate Hydrogen peroxide solution Pyruvic acid Trichloromethyl

OTHER SPECIFIC CHEMICAL INCOMPATIBILITIES
as Set Forth by the National Research Council, Washington D.C.

Chemical:	Is Incompatible With:
Acetic acid	Chromic acid, nitric acid, hydroxyl compounds, ethylene glycol, perchloric acid, peroxides, permanganates
Acetylene	Chlorine, bromine, copper, fluorine, silver, mercury
Acetone	Concentrated nitric and sulfuric acid mixtures
Alkali and alkaline earth (e.g., powdered aluminum or magnesium, calcium, lithium, sodium, potassium)	Water, carbon tetrachloride or other chlorinated metals hydrocarbons, carbon dioxide, halogens
Ammonia (anhydrous)	Mercury (e.g., in nanometers), chlorine, calcium hypochlorite, iodine, bromine, hydrofluoric acid (anhydrous)
Ammonium nitrate	Acids, powdered metals, flammable liquids, chlorates, nitrates, sulfur, finely divided organic or combustible materials
Aniline	Nitric acid, hydrogen peroxide
Arsenical materials	Any reducing agent
Azides	Acids
Bromine	See Chlorine
Calcium oxide	Water
Carbon (activated)	Calcium hypochlorite, all oxidizing agents
Carbon tetrachloride	Sodium
Chlorates	Ammonium salts, acids, powdered metals, sulfur, finely divided organic or combustible materials
Chromic acid and chromium trioxide	Acetic acid, naphthalene, camphor, glycerol, alcohol, flammable liquids in general
Chlorine	Ammonia, acetylene, butadiene, butane, methane, propane (or other petroleum gases), hydrogen, sodium carbide, benzene, finely divided metals turpentine

Chlorine dioxide	Ammonia, methane, phosphine, hydrogen sulfide
Copper	Acetylene, hydrogen peroxide
Cumene hydroperoxide	Acids (organic or inorganic)
Cyanides	Acids
Flammable liquids	Ammonium nitrate, chromatic acid, hydrogen peroxide, nitric acid, sodium peroxide, halogens
Fluorine	Everything
Hydrocarbons (e.g., butane, propane, benzene)	Fluorine, chlorine, bromine, chromic acid, sodium peroxide
Hydrocyanic acid	Nitric acid, alkali
Hydrofluroic acid (anhydrous)	Ammonia (aqueous or anhydrous)
Hydrogen peroxide	Copper, chromium, iron, most metals or their salts, alcohols, acetone, organic materials, aniline, nitromethane, combustible materials
Hydrogen sulfide	Fuming nitric acid, oxidizing gases
Hypochlorites	Acids, activated carbon
Iodine	Acetylene, ammonia (aqueous or anhydrous), hydrogen
Mercury	Acetylene, fulminic acid, ammonia
Nitrates	Sulfuric acid
Nitric acid (concentrated)	Acetic acid, aniline, chromic acid, hydrocyanic acid, hydrogen sulfide, flammable liquids, flammable gases, copper, brass, any heavy metals
Nitrates	Acids
Nitroparaffins	Inorganic bases, amines
Oxalic acid	Silver, mercury
Oxygen	Oils, grease, hydrogen, flammable liquids, solids, or gases
Perchloric acid	Acetic anhydride, bismuth and its alloys, alcohol, paper, wood, grease, oils
Peroxides, (organic)	Acids (organic or mineral), avoid friction, store cold
Phosphorus (white)	Air, oxygen, alkalis, reducing agents
Phosphorus pentoxide	Water
Potassium	Carbon tetrachloride, carbon dioxide, water
Potassium chlorate	Sulfuric and other acids
Potassium perchlorate (see also chlorates)	Sulfuric and other acids
Potassium permanganate	Glycerol, ethylene glycol, benzaldehyde, sulfuric acid
Selenides	Reducing agents
Silver	Acetylene, oxalic acid, tartartic acid, ammonium compounds, fulmunic acid
Sodium	Carbon tetrachloride, carbon dioxide, water
Sodium nitrate	Ammonium nitrate and other ammonium salts
Sodium peroxide	Ethyl or methyl alcohol, glacial acetic acid, acetic anhydride, benzaldehyde, carbon disulfide, glycerin, ethylene glycol, ethyl acetate, methyl acetate, furfural
Sulfides	Acids
Sulfuric acid	Potassium chlorate, potassium perchlorate, potassium permanganate (similar compounds of light metals, such as sodium, lithium)
Tellurides	Reducing agents