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XIII. REACTIVE OR EXPLOSIVE CHEMICALS Characteristics • Warning: These chemicals are sensitive to heat and shock • Peroxide forming chemicals, under proper conditions will form explosive peroxides which can be detonated by shock or heat. Storage Precautions Potential Hazards • Avoid exposure to heat and mechanical shock • Label storage unit “Potential Explosion Hazard” • Label containers with receiving, opening, and disposal dates. • Dispose of peroxide forming chemicals before expected date of first peroxide formation in accordance with lab policy (6 months after opening or by manufacturers expiration date.) • Test for the presence of peroxides periodically. • Store in cool, dry, well-ventilated location Fire • Many ignite a chain reaction with other chemicals that could become violent Explosion • Containers may detonate by mechanical shock, elevated temperatures and chemical reactions. • Catalytic effect of metallic contamination can lead to explosive situations Health • May cause severe burns and injuries Immediate Action Personal Protection NOTIFY EH&S OF ANY RELEASE: • Beyond immediate work area • Causing personal injury • Do not extinguish fire until chemical reaction has ceased • Evacuate all personnel from the area. • Safety glass with side shields or goggles should be worn • When possible, use the reactive chemical in a fume hood • Use of heavy, transparent plastic explosion shield on all sides should be in place to provide extra protection in addition to the hood window. • If feasible, wear heavy leather gloves when handling reactive compounds. • Wear appropriate clothing (i.e., flame resistant lab coat) First Aid • Seek medical attention immediately Common Reactive and Explosive Chemicals: Acetylides Azides Bromates Chlorates Chlorites Diazo compounds Nitrates Nitrates, Organic Nitro compounds Nitroso compounds Perchlorates Peroxides Picrates 54
Classes of Chemicals that Can Form Peroxides Upon Aging: 1. Class I Unsaturated materials, especially those of low molecular weight, may polymerize violently and hazardously due to peroxide initiation. Acrylic Acid Acrylonitrile Butadiene Chlorobutadiene (Chloroprene) Chlorotrifluoroethylene Methyl ethacrylate Styrene Tetrafluoroethylene Vinyl acetate Vinyl acetylene Vinyl chloride Vinyl chloride Vinyl pyridine Vinylidene Chloride 2. Class II The following chemicals are a peroxide hazard upon concentration (distillation/evaporation). A test for peroxide should be performed if concentration is intended or suspected. Acetal Cumene Cyclohexene Cyclooctene Cyclopentene Diacetylene Dicyclopentadiene Diethylene Glycol Dimethyl Ether (Diglyme) Diethyl Ether Dioxane (p-Dioxane) Ethylene Glycol Dimethyl Ether Furan Methyl Acetylene Methyl Cyclopentane Methyl-i-butyl Ketone Tetrahydrofuran Tetrahydronathalene Vinyl Ethers 3. Class III Peroxides derived from the following compounds may explode without concentration. Organic Divinyl Ether Divinyl Acetylene Isopropyl Ether Vinyliene Chloride Inorganic Potassium Metal Potassium Amide Sodium Amide 55
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Table of Contents 1 Safety Philosop
Page 4 and 5: 9.8 Odors in the lab:…………
Page 6 and 7: The staff at INRF/BiON also recogni
Page 8 and 9: • Gas Hazards Compressed gases po
Page 10 and 11: physical and chemical properties, t
Page 12 and 13: 5.2 Liquid Chemical Storage To prev
Page 14 and 15: ‣ Protective Gear (PPE) Protectiv
Page 16 and 17: Antimony, Arsenic, Barium, Berylliu
Page 18 and 19: ‣ Other Oxidizing Acids Nitric, a
Page 20 and 21: 8 Specific Hazardous Gases 8.1 Pyro
Page 22 and 23: 9.2 Building and lab Evacuations Al
Page 24 and 25: Chemical spills that occur outside
Page 26 and 27: * Response Procedures 1. In the eve
Page 28 and 29: 10. Alarms 10.1 Fire Alarms Appeara
Page 30 and 31: 11.4 INRF Laboratory Safety Map Int
Page 32 and 33: Building Number 321 is the INRF lab
Page 34 and 35: • Outside of the bottle is clean
Page 36 and 37: How to dispose of corrosive and oth
Page 38 and 39: I. ACIDS Characteristics • Typica
Page 40 and 41: Personal Protection • Be sure tha
Page 42 and 43: IV. SOLVENTS Characteristics • Ma
Page 44 and 45: Immediate Action Personal Protectio
Page 46 and 47: Common Toxics: Solids Antimony Comp
Page 48 and 49: VIII. PYROPHORIC SUBSTANCES Charact
Page 50 and 51: Liquid helium 700 to 1 Liquid nitro
Page 52 and 53: XII. TOXIC GASES Characteristics
Page 56 and 57: XIV. CARCINOGENS Characteristics
Page 58 and 59: XV. CDC SELECT AGENTS, USDA HIGH CO
Page 60 and 61: Bacillus anthracis Brucella abortus
Page 62 and 63: Personal Chemical Storage Personal
Page 64 and 65: Solid Solvent Waste The steel waste
Page 66 and 67: Sharpie Container Sharpie container
Page 72 and 73: Chemical Utensil & Hot Plates Some
Page 74 and 75: “ Solvent” Wet Bench Solvent be
Page 76 and 77: Eye Wash on “ Standard “ Wet Be
Page 78 and 79: Transporting Chemical Bottle When t
Page 80 and 81: Gas Detection System For Combustibl
Page 82 and 83: Inches of water Exhaust Alarm These
Page 84 and 85: Pollution Control Device INRF This
Page 86 and 87: Procedures / Steps Needed To Comple
Page 88 and 89: E. Dispose the HF/Silicone oil wast
Page 90 and 91: #3 Engineering Controls: Describe a
Page 92 and 93: #9 Decontamination and spill clean-
Page 95: SAFETY COMPLIANCE FORM THIS FORM MU
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