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Chemical Segregation and Storage Table

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Chemical Segregation and Storage Table Chemical Segregation Class of Chemicals Common Chemical Additional Concerns and Common Incompatible Possible Reaction if Examples Storage Recommendations Chemical Types Mixed/Health Concerns Corrosive Acids-Organic Acetic Acid Store in ventilated corrosives Flammable Liquids Heat Glacial Acetic Acid cabinet on protected shelving Flammable Solids Gas Generation Butyric Acid using secondary containment, Bases Violent Reaction Trifluoroacetic Acid keep away from water sources Oxidizers * DO NOT POUR WATER Inorganic Acids INTO ACID Picric Acid *Do not store under the sink *Do not store acids on metal Cyanides Propionic Acid shelving Sulfides Formic Acid Poisons/Toxins Corrosive Acids-Inorganic Nitric Acid Store concentrated Nitric acid Flammable Liquids Heat Sulfuric Acid (≥68%) and Sulfuric acid (≥93%) Flammable Solids Gas Generation Perchloric Acid in a secondary container Bases Violent Reaction Phosphoric Acid Store in a corrosive cabinet Oxidizers *DO NOT POUR WATER INTO ACID Hydrochloric Acid labeled “Acid” or on shelving Organic Acids using a secondary containment Cyanides *Perchloric acid vapor can Chromic Acid *Do not store under the sink Sulphides form explosive compounds Hydrofluoric Acid *Do not store acids on metal Poisons/Toxins within fume hood ducts shelving *Hydrofluoric acid can result *Hydrofluoric acid should be stored in severe burns to skin and in an area accessible only by lungs authorized personnel; do not store in glass; use plastic containers and secondary containment Corrosive Bases- Hydroxylamine Store in separate cabinet, Acids Heat Organic/Caustic Tetramethylethylamine preferably with ventilation, Oxidizers Gas Generation Diamine corrosive cabinet or storage area Flammable Liquids Violent Reaction Triethylamine with a spill tray, away from potential Flammable Solids water sources (DO NOT store under Inorganic Bases the sink) Poisons/Toxins Corrosive Bases- Ammonium Hydroxide Store in separate cabinet, Acids Heat Inorganic/Caustics Potassium Hydroxide preferably with ventilation, Oxidizers Gas Generation Sodium Hydroxide corrosive cabinet or storage area Flammable Liquids Violent Reaction Calcium Hydroxide with a spill tray, away from Flammable Solids potential water sources (DO NOT Organic Bases store under the sink); Store Poisons/Toxins solutions of inorganic hydroxides in labeled polyethylene containers Chemical Segregation Class of Chemicals Common Chemical Additional Concerns and Common Incompatible Possible Reaction if Examples Storage Recommendations Chemicals Types Mixed/Health Concerns Flammable Solids Charcoal Keep in a dry, cool area away Acids Fire Hazard Carbon from oxidizers and corrosives Bases Violent Reaction Paraformaldehyde Oxidizers Phosphorus Poisons/Toxins Magnesium Flammable Liquids Ethanol, Ethyl Acetate, Flammable storage cabinet or Oxidizers Fire Hazard Methanol, Acetone, refrigerator rated for flammable/ Acids Heat Benzene, Xylene, hazardous storage/explosion proof Bases Violet Reaction Toluene *Peroxide-forming chemicals Reactives Diethyl Ether must be dated upon delivery Poisons/Toxins Tetrahydrofuran and opening (two dates) Acetonitrile Glacial Acetic Acid Acetone liquids with flashpoints < 100 F Poisons/Toxins Chloroform Store in a dark, dry, ventilated, Flammable liquids Generation of Toxic and Cyanides cool area in an unbreakable Acids Flammable Gas Heavy metal compounds chemically resistant secondary Bases Combustion (e.g. Cadmium, Mercury, container (polyethylene) Reactives Heat Oxidizers Fire Hazard Osmium, Oxalic Acid, * Store volatile toxins with evaporation rate above Corrosives Explosion Hazard Phenol, Formic Acid), 1.0 - (ether =1.0) in flammable Please consult Division of Violent Reaction Chloroform Formamide, cabinet; Environmental Protection explosively reacts with Carbon Tetracholride, 2- Store non-volatile liquid poisons in (DEP) for assistance chemically-reactive metals Mercaptoethanol Phenol, a refrigerator or cabinet; amounts *Hydrofluoric Acid should (e.g., Aluminum or less than 1 liter can be stored in a be stored in an area Magnesium powder, Sodium, *Hydrofluoric Acid - cabinet above bench level, ONLY if accessible only by and Lithium), Strong Hydrofluoric Acid is a the cabinet has sliding doors (not authorized personnel; do Oxidizers, Strong Caustics highly acute poison swinging) not store in glass; use (e.g., Alkalis), and decomposes in sunlight Acrylamide plastic containers and secondary containment Ethidium Bromide Sodium Azide Explosives Picric Acid Store in a secure location away Please consult the SDS Explosion Hazard Ammonium Nitrate from other chemicals; store in an and the DEP Violent Reaction Nitro Urea area away from friction or shock Heat Trinitroaniline Shock Benzoyl Peroxide Friction Trinitrobenzene Trinitrobenzoic Acid Trinitrotoluene Urea Nitrate Trinitrophenol Diazoisbutylnitrile Chemical Segregation Class of Chemicals Common Chemical Additional Concerns and Common Incompatible Possible Reaction if Examples Storage Recommendations Chemicals Types Mixed/Health Concerns Oxidizers Peroxides, Nitrates, Store in secondary containment Combustibles Fire Hazard Perchlorates separately from combustibles and Flammables Gas Generation Permanganates flammable materials Organic Materials Toxic Gas Sodium Hypochlorite Reducing Agents Ethyl Acetate, Iodine, Benzoyl Peroxide Potassium Dichromate Chlorates, Bromates, and Superoxides, Ammonium Persulfate, Ferric chloride Peroxide Formers Acrylonitrile Store in airtight bottles, away from Always consult the Safety Explosion Hazard Isopropyl Alcohol Ethers light and heat in a dark, cool dry Data Sheet (SDS) and the Violent Reaction (e.g. Diethyl ether, area; avoid using containers with Division of Environmental Shock Sensitive Isopropyl Ether), Acetals loose-fitting lids and ground glass Protection (DEP) Combustion and Ketals, especially stoppers; crystallization, discoloration, (Exothermic Reaction) Cyclic Ethers and those and formation or deposition of layers with primary and/or are signs a peroxide former may If an old or expired container secondary Alkyl groups have become shock sensitive; do of a peroxide-forming chemical Aldehydes not use or move such containers: or reactive is found, do not (e.g. Acetaldehyde, contact DEP; all bottles of peroxide- move it. Contact the DEP at Benzaldehyde) forming chemicals must have the 301-496-4710 for assistance Vinyl and Vinylidene received date marked on the in disposing of the container compounds, container; when the bottle is first Dienes Tetrahydrofuran opened, the container must be Dioxane marked with the date opened Butylated Hydroxytoluene (BHT) Isopropyl Ether Water Reactive Sodium Metals Store in a dry, cool area away from Aqueous solutions Heat Lithium Metals potential spray from fire sprinklers Oxidizers Violent Reaction Potassium Metals and other water sources (DO NOT Please consult the Safety Sodium Borohydride store under the sink) Data Sheet (SDS) and the Alkali Metal Hydrides Division of Environmental Label this area for water-reactive Protection (DEP) storage Chemical Segregation Class of Chemicals Common Chemical Additional Concerns and Common Incompatible Possible Reaction if Examples Storage Recommendations Chemicals Types Mixed/Health Concerns Flammable Compressed Methane Handle flammable compressed gases Oxidizers Fire Hazard Explosion Gases Acetylene in a chemical fume hood Toxic Compressed Gases Hazard Butane Propane Store in well-ventilated areas; store Hydrogen away from oxidizers, open flames, Silane sparks, and other sources of heat Ethane ignition; post NO SMOKING signs Arsine around storage area(s) or entrance(s) Germane to storage room(s); flammable gases stored outdoors where ambient temperatures exceed 125 deg F (51.7 deg C) shall be protected from direct sunlight Use a spark proof wrench to attach regulators and make other connections; install a flame/flash arrestor at the regulator outlet flow valve Oxidizing Compressed Oxygen Store oxidizers separately from Flammable Compressed Gases Fire Hazard Gases Chlorine flammable gas containers or Toxic Compressed Gases Explosion Hazard Fluorine combustible materials; minimum Nitrogen oxides separation requirement from these Gas mixtures containing materials is 20 ft or a 5 ft noncom- Oxygen higher than bustible barrier with a fire resistance atmospheric rating of at least 30 minutes concentrations Clean equipment used for oxygen and nitrous oxide with oxygen- compatible materials free from oils, greases, and other contaminants Fluorine shall be handled in specially passivated containers and associated equipment Toxic Compressed Carbon Monoxide Handle toxic compressed gases in Flammable Compressed Gases Release of Toxic Gas Gases Hydrogen Chloride a chemical fume hood Oxidizing Compressed Gases Hydrogen Sulfide is a colorless, Hydrogen Sulfide flammable, extremely hazardous Nitrogen Dioxide Indoor storage or use of toxic gas with a “rotten egg” smell; compressed gases shall be provided Prolonged exposure may cause with a gas cabinet, exhausted nausea, tearing of the eyes, enclosure, or gas room headaches or loss of sleep, airway problems (bronchial Refer to the SDS information for constriction) in some asthma additional guidance on the storage patients; possible fatigue, loss and compatibility requirements of appetite, headache, irritability, poor memory, Contact DOHS to determine if a fail- Strong Reducing Agents Acetyl chloride Store in cool, dry, well-ventilated Please consult the specific dizzinessPlease consult and slight the specific
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