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FSU Safety Manual

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Pages: Incompatible Chemical Storage Chart

The following list is to be used only as a guide. Consult the SDS for specific incompatibilities.

CHEMICAL:

INCOMPATIBLE WITH:

Acetic acid

Chromic acid, nitric acid, hydroxyl compounds, ethylene glycol, perchloric acid, peroxides, permanganates

Acetone

Concentrated nitric and sulfuric acid mixtures

Acetylene

Chlorine, bromine, copper, fluorine, silver, mercury

Alkali and alkaline earth metals

Water, chlorinated hydrocarbons, carbon dioxide, magnesium, calcium, lithium, halogens, sodium, potassium

Aluminum (powdered)

Chlorinated hydrocarbons, halogens, carbon dioxide organic acids

Ammonia (anhydrous)

Mercury (e.g. in manometers), chlorine, calcium hypochlorite, iodine, bromine, hydrofluoric acid

Ammonium nitrate

Acids, powdered metals, flammable liquids, chlorates, nitrites, sulfur, finely divided organic combustible materials

Aniline

Nitric acid, hydrogen peroxide

Arsenic materials

Any reducing agent

Azides

Acids

Bromine

Ammonia, acetylene, butadiene, butane, methane, propane (or other petroleum gases), hydrogen, sodium carbide, benzene, finely divided metals, turpentine

Calcium carbide

Water, alcohol

Calcium oxide

Water

Carbon (activated)

Calcium hypochlorite, all oxidizing agents

Chlorates

Ammonium salts, acids, powdered metals, sulfur, finely divided organic or combustible materials 

Chromic acid

Acetic acid, naphthalene, camphor, glycerol, alcohol, turpentine, flammable liquids in general.

Chlorine

See bromine

Chlorine dioxide

Ammonia, methane, phosphine, hydrogen sulfide

Copper

Acetylene, hydrogen peroxide

Cumene hydroperoxide

Acids (organic or inorganic)

Cyanides

Acids

Flammable liquids

Ammonium nitrate, chromic acid, hydrogen peroxide, nitric acid, sodium peroxide, halogens

Fluorine

All other chemicals

Hydrocarbons (such as butane, propane, benzene)

Fluorine, chlorine, bromine, chromic acid, sodium peroxide

Hydrocyanic acid

Nitric acid, alkali

Hydrofluoric acid (anhydrous)

Ammonia (aqueous or anhydrous)

Hydrogen peroxide

Copper, chromium, iron, most metals or their salts, alcohols, acetone organic materials, aniline, nitromethane, flammable liquids, oxidizing gases

Hydrogen sulfide

Fuming nitric acid, oxidizing gases

Hypochlorites

Acids, activated carbon

Iodine

Acetylene, ammonia (aqueous or anhydrous) hydrogen

Mercury

Acetylene, fulminic acid, ammonia

Mercuric oxide

Sulfur

Nitrates

Acids (especially sulfuric acid)

Nitric acid (concentrated)

Acetic acid, alcohols, aniline, chromic acid, hydrocyanic acid, hydrogen sulfide, flammable liquids and gases, copper, brass, any heavy metals

Nitrites

Acids

Nitroparaffins

Inorganic bases, amines

Oxalic acid

Silver, mercury

Oxygen

Oils, grease, hydrogen; flammable liquids, solids and gases

Perchloric acid

Acetic anhydride, bismuth and its alloys, alcohol, paper, wood, grease, oils

Peroxides organic

Acids (organic or mineral), avoid friction or shock, store cold 

Phosphorous (white)

Air, oxygen, alkalis, reducing agents

Potassium

Carbon tetrachloride, carbon dioxide, water 

Potassium chlorate

Sulfuric and other acids

Potassium perchlorate

Sulfuric and other acids, see also chlorates

Potassium permanganate

Glycerol, ethylene glycol, benzaldehyde, sulfuric acid

Selenides

Reducing agents

Silver

Acetylene, oxalic acid, tartaric acid, ammonium compounds, fulminic 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, ethylacetate, 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 

Zinc powder

Sulfur

Source: Safety in Academic Chemistry Laboratories, published by The American Chemical Society.

Incompatible Chemicals and Wastes

Many chemicals, when mixed with other chemicals or materials, can produce effects which are harmful to human health and the environment, such as (1) heat or pressure, (2) fire or explosion, (3) violent reaction, (4) toxic dusts, mists, fumes, or gases, or (5) flammable fumes or gases.

Below are examples of potentially incompatible chemicals or materials, along with the harmful consequences, which result from mixing materials in one group with materials in another group. The list is intended as a guide to indicate the need for special precautions when managing these potentially incompatible materials or components.

This list is not intended to be exhaustive.

Group 1 Potential consequences: Heat generation; violent reaction

A

B

Acetylene sludge
Alkaline caustic liquids
Alkaline cleaner
Alkaline corrosive liquids
Alkaline corrosive battery fluid
Caustic water
Lime sludge and other corrosive alkalis
Lime wastewater
Lime and water
Spent caustic

Acid sludge
Acid and water
Battery acid
Chemical cleaners
Electrolyte, acid
Etching acid liquid or solvent
Mixed acid
Pickling liquor and other corrosive acids
Spent acid
Sulfuric acid

 

Group 2 Potential consequences: Fire or explosion; generation of flammable hydrogen gas.

A

B

Aluminum
Beryllium
Calcium
Lithium
Magnesium
Potassium
Sodium
Zinc powder
Other reactive metals and metal hydrides

Any chemical or waste listed in Group 1

 

Group 3 Potential consequences: Fire, explosion, or heat generation; generation of flammable or toxic gases.

A

B

Alcohols
Water

Calcium
Lithium
Metal hydrides
Potassium
SO2Cl2, SOCl2, PCl3, CH3SiCl3
Other water-reactive waste

Concentrated chemicals or wastes listed in Group 1

 

Group 4 Potential consequences: Fire, explosion, or violent reaction.

A

B

Alcohols
Aldehydes
Halogenated hydrocarbons
Nitrated hydrocarbons
Unsaturated hydrocarbons
Other reactive organic compounds and solvents

Concentrated chemicals or wastes listed in Group 1.

 

Any chemical or waste listed in Group 2-A.

 

Group 5 Potential consequences: Generation of toxic hydrogen cyanide or hydrogen sulfide gas.

A

B

Cyanide and sulfide solutions

Any chemical or waste listed in Group 1-B

 

Group 6 Potential consequences: Fire, explosion, or violent reaction.

A

B

Chlorates
Chlorine
Chlorites
Chromic acid
Hyphochlorites
Nitrates
Nitric acid, fuming
Perchlorates
Permanganates
Peroxides
Other strong oxidizers

Acetic acid and other organic acids
Concentrated mineral acids
Other flammable and combustible chemicals/wastes

Any chemical or waste listed in Group 2-A
Any chemical or waste listed in Group 4-A


See Also: