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January 2003 Page OSPI-DOH Health and Safety Guide 60 Appendix D Science Laboratory Chemicals Table 1 DOH–OSPI list of chemicals deemed unsuitable for use in K–12 schools due to excessive risk that exceeds educational utility Chemical Name Hazards Acetic Explosive potential, corrosive Acetyl Chloride Corrosive, dangerous fire risk, reacts violently w/ water and alcohol Acrylamide Toxic by absorption, suspected carcinogen Acrylonitrile Flammable, poison Adipoyl Chloride Corrosive; absorbs through skin, (causes tears) Ammonia, gas Corrosive Ammonium Bifluoride Reacts with water, forms hydrofluoric acid Ammonium Bichromate May explode on contact with organics, suspected carcinogen Ammonium Chromate Oxidizer, poison; may explode when heated Ammonium Dichromate Reactive, may cause fire and explosion Aniline Carcinogen, toxic, absorbs through skin Aniline Hydrochloride Poison Antimony Oxide Health and contact hazard Antimony Powder Flammable as dust, health hazard Antimony Trichloride Corrosive, emits hydrogen chloride gas if moistened Arsenic compounds Poison, carcinogen Asbestos, Friable Inhalation health hazard, carcinogen Azide Compounds Explosive in contact with metals, extremely reactive, highly toxic Barium Chromate Poison, carcinogen Benzene Flammable, carcinogen Benzoyl Peroxide Organic peroxide, flammable, explosive oxidizer Beryllium and its compounds Poison, dust is P-listed & highly toxic, carcinogen Cadmium compounds Toxic heavy metal, carcinogen Calcium Fluoride (Fluorspar) Teratogen, emits toxic fumes when heated Carbon Disulfide Flammable, toxic, P-listed Carbon Tetrachloride Toxic, carcinogen Chloral Hydrate Hypnotic drug, controlled substance Chlorine Poison gas, corrosive Chlorobenzene Explosive limits 1.8% to 9.6%, toxic inhalation and contact hazard Chloroform Carcinogen, if old forms deadly Phosgene gas ---PAGE BREAK--- January 2003 Page OSPI-DOH Health and Safety Guide 61 Appendix D Science Laboratory Chemicals (continued) Table 1 (continued) DOH–OSPI list of chemicals deemed unsuitable for use in K–12 schools due to excessive risk that exceeds educational utility Chemical Name Hazards Chlorosulfonic Acid Toxic also known as sulfuric chlorohydrin Chromic Acid Strong oxidizer, poison Collodion Flammable, explosive when dry, nitrocellulose compound Cuprous Cyanide Toxic Cyanogen Bromide Poison, strong irritant to skin and eyes Cyclohexene Flammable, peroxide former Dichloroethane Flammable, toxic Dinitro Phenol Explosive Dinitrophenyl Hydrazine Severe explosion and fire risk Dioxane Flammable, peroxide former Ether, Flammable, peroxide former Ether, Isopropyl Flammable, peroxide former Ethylene Dichloride Toxic, contact hazard, dangerous fire risk, explosive in air 6-16% Ethyl Nitrate Explosive Ethyleneimine Flammable, toxic, P-listed Ferrous Sulfide Spontaneously ignites with air if wet Formaldehyde (Formalin) Toxic, carcinogen, sensitizer Gunpowder Explosive Hydrazine Flammable, absorbed through skin, carcinogen, corrosive Hydriodic Acid Corrosive, toxic Hydrogen Sulfide, gas Poison, stench, very toxic Isopropyl Ether Flammable, highest-risk peroxide former Lithium Aluminum Hydride Flammable, reacts with air, water, and organics Lithium Metal Reacts with water and nitrogen in air Mercaptoethanol Flammable, corrosive, intense stench Mercury compounds Poisonous heavy metal Methylene Chloride Toxic, carcinogen, narcotic Methyl Ethyl Ketone Flammable, dangerous fire risk, toxic Methyl Iodide (Iodomethane) May be a narcotic, carcinogen, Methyl Isocyanate Flammable, dangerous fire risk, toxic Methyl Isopropyl Ketone Toxic Methyl Methacrylate Flammable, vapor causes explosive mix with air ---PAGE BREAK--- January 2003 Page OSPI-DOH Health and Safety Guide 62 Appendix D Science Laboratory Chemicals (continued) Table 1 (continued) DOH–OSPI list of chemicals deemed unsuitable for use in K–12 schools due to excessive risk that exceeds educational utility Chemical Name Hazards a- Combustible, toxic, carcinogen Nickel Oxide Flammable as dust, toxic, carcinogen Nicotine Poison, P-listed Nitrilotriacetic Acid Corrosive Nitrobenzene Highly toxic Nitrocellulose Flammable, explosive Nitrogen Triiodide Explosive Nitroglycerin Explosive Osmium Tetraoxide (Osmic Acid) Highly toxic, P-listed Pentachlorophenol Extremely toxic Perchloric Acid Powerful oxidizer, reactive Phosphorus Pentasulfide Water reactive, toxic, incompatible with air and moisture Phosphorus Pentoxide Oxidizer, toxic Phosphorus, Yellow or White Air reactive, poison Picric Acid, Trinitrophenol Explosive when dry Potassium Chromate Oxidizer, toxic Potassium Dichromate Powerful oxidizer, carcinogen Potassium Cyanide Poison, P-Listed Potassium Sulfide Flammable, may ignite spontaneously Potassium, metal Water reactive, peroxide former (orange Pyridine Flammable, toxic, vapor forms explosive mixture with air Selenium Toxic Silver Cyanide Extremely toxic Sodium Arsenate Toxic Sodium Arsenite Toxic Sodium Azide Poison, explosive reaction with metals, P-listed Sodium Borohydride Flammable solid, water reactive Sodium Chromate Oxidizer, carcinogen Sodium Cyanide Poison, P-Listed Sodium Fluoride (Bifluoride) Highly toxic by ingestion or inhalation, strong skin irritation ---PAGE BREAK--- January 2003 Page OSPI-DOH Health and Safety Guide 63 Appendix D Science Laboratory Chemicals (continued) Table 1 (continued) DOH–OSPI list of chemicals deemed unsuitable for use in K–12 schools due to excessive risk that exceeds educational utility Chemical Name Hazards Sodium Fluoroacetate Toxic, deadly poison Strontium Flammable, store under naptha, reacts with water Testosterone HCl Controlled substance Tetrahydrofuran Flammable, peroxide former Thioacetamide Toxic, carcinogen, combustible Thionyl Chloride Corrosive Thiourea Carcinogen Titanium Trichloride Flammable, fire risk Triethylamine Flammable, toxic, irritant Trinitrobenzene Explosive Trinitrotoluene Explosive