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Substance Name: Potassium Bromide
Chemical Formula: KBr
Common Use: Works well in photography, medicine, and lab experiments
Appearance: White, odorless, crystalline powder
CAS Number: 7758-02-3
Main Hazards: Potassium bromide doesn’t catch fire and rarely explodes, so it won’t surprise you on the shelf. Keep it off your skin and out of your eyes since it can cause irritation. Swallowing moderate amounts may mess with your nervous system, leading to symptoms like drowsiness or tremor if used in excess over time.
Routes of Exposure: Breathing in dust, skin and eye contact, swallowing
Health Hazards: Routine handling generally poses little danger, but repeat long-term exposure can trigger effects such as headache, acne-like skin eruptions, and tiredness.
Potassium Bromide: Pure compound
Purity: Mostly over 99% in technical or pharmaceutical applications
Inhalation: Take the person to fresh air. If coughing or breathing trouble persists, find medical help.
Eye Contact: Wash eyes gently yet thoroughly with clean water for a good 15 minutes. Keep eyelids open and don’t rub.
Skin Contact: Wash exposed skin with soap and lukewarm water.
Ingestion: Rinse the mouth right away. Unless someone feels sick or shows symptoms, seek advice from a health professional.
Suitable Extinguishing Media: Potassium bromide doesn’t really fuel a fire but regular fire-extinguishing chemicals like water, foam, or carbon dioxide work fine in case of a fire nearby.
Hazardous Combustion Byproducts: Sometimes, you can run into bromide fumes if heated strongly.
Protective Equipment for Firefighters: Use simple protective gear, including gloves and goggles. In big fires, use breathing equipment to dodge fumes.
Personal Protection: Dust mask and safety sunglasses help to avoid breathing in or getting it in your eyes.
Spill Cleanup: Use a broom, dustpan, and a moistened towel for small spills. For bigger spills, scoop up the substance and seal it in a proper container.
Environment: Don’t sweep it down the drain or let it reach the local water supply lines.
Handling: Keep exposure low—wear gloves, don’t touch your face, and use local ventilation if you work with big amounts.
Storage: Stash in tightly sealed containers and keep out of damp, warm, or very sunny spaces. Make sure it doesn’t mix with acidic or reactive materials.
Ventilation: Work in areas with airflow to avoid clouding up the air with fine dust.
Personal Protection: Gloves, safety goggles, and a dust mask are good practice. For lots of handling, use a lab coat or smock.
Workplace Controls: Eating, drinking, or smoking near potassium bromide isn’t wise—it can lead to accidental swallowing or exposure.
State: Solid, crystalline
Color and Smell: White, odorless
Solubility: Dissolves well in water, does not dissolve in alcohol
Melting Point: 734°C
Boiling Point: Breaks down well before boiling
Density: Around 2.75 g/cm³
Chemical Stability: Keeps stable if stored properly
Incompatible Materials: Avoid mixing with strong acids or oxidizers, which might create dangerous gases
Decomposition: Can release toxic bromide vapors if heavily decomposed under strong heat
Acute Effects: If accidentally swallowed in small doses, potassium bromide usually passes through with little trouble. Chronic use, especially from medical treatments in the past, often led to skin eruptions, drowsiness, and depression.
Long-term Exposure: Long use or high repeated intakes can affect the nervous system and skin.
Routes of Entry: Main risk comes from swallowing or dust inhalation. Skin effects generally stay mild unless there’s a lot of exposure.
Environmental Effects: Large releases could build up in water or soil and might not break down quickly. Although potassium bromide isn’t the chief suspect in pollution cases, enough runoff could harm aquatic life.
Mobility: Once dissolved, it spreads easily with water.
Persistence: Doesn’t break down easily, tends to linger
Basic Solution: Collect leftover or spilled product and send to a chemical waste handler.
Household Disposal: Small quantities meant for home use can usually join household hazardous waste pickups rather than a landfill.
Water Disposal: Never pour down the drain, as it can reach public water sources or disrupt treatment plants.
Shipping Name: Potassium bromide does not fall under hazardous transport classes.
Packing and Labeling: Containers should be sturdy, labeled by contents, and sealed up to keep out moisture.
Regulations: Potassium bromide is not classified under the more severe hazardous chemical lists in most jurisdictions. It does have restrictions for pharmaceutical, environmental, or food use depending on the country and application.
Workplace Safety: Employers need to inform staff working with larger quantities about the basic risks and safe handling measures
