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Name: Strontium Peroxide
Chemical Formula: SrO2
Appearance: Fine white or pale yellow powder, dry and odorless
Common Uses: Found in pyrotechnics, signal flares, and fireworks manufacturing, strontium peroxide adds color and works as an oxidizer. Some folks also stack its oxidizing power in specialty chemical applications inside labs and industrial settings.
CAS Number: 1314-18-7
Hazards: Strong oxidizing properties, this compound brings a risk of fueling fires, especially near organic matter or certain metals. Skin and eye irritant, plus respiratory irritation if dust becomes airborne. Improper handling or mixing with combustibles increases likelihood of a dangerous reaction.
GHS Classification: Oxidizing solid (Category 2), serious eye damage/eye irritant (Category 2A), specific target organ toxicity (single exposure) possible
Pictograms: Flame over circle (oxidizer), exclamation mark (irritant)
Main ingredient: Strontium peroxide, purity typically ranges from 95% to 99%
Other constituents: Trace amounts of strontium oxide, moisture content possible depending on storage
Additives: No stabilizers or complexing agents known for standard grades
Inhalation: Get to fresh air immediately. Remove dust from mouth and throat by rinsing, medical attention for breathing trouble.
Skin contact: Remove contaminated clothing, rinse skin with running water for at least 15 minutes. Use gentle soap if available.
Eye contact: Rinse eyes with water for several minutes, lifting eyelids, medical attention for persistent irritation.
Ingestion: Rinse mouth, do not induce vomiting, medical help for symptoms like burning sensation, vomiting, or difficulty swallowing. Staff in labs or plants learn from experience that quick response limits long-term harm.
Flammability: Strontium peroxide itself doesn't burn, but under heat it boosts fires by feeding oxygen, especially in presence of organic materials.
Suitable extinguishing media: Water spray, flooding the area if safe and practical. Dry chemicals or CO2 lose effectiveness.
Firefighting tips: Firefighters take care: wear full gear and breathing apparatus, avoid getting powder on clothing or skin, move containers from fire area if safe. Combustion breaks strontium peroxide down into oxygen and strontium oxide, leading to hotter and more persistent blazes.
Hazards during firefighting: Contact with burning materials can trigger sudden, powerful flare-ups.
Personal precautions: Respiratory protection and tightly sealed goggles, rubber or nitrile gloves, dust mask or P2 respirator for powder cleanup.
Spill control: Isolate the area, keep people away, avoid dust generation, prevent powder reaching drains or waterways.
Cleaning up: Sweep up using non-sparking tools, use inert material to collect, place in a dry container. If the floor is wet, react cautiously because moist strontium peroxide might accelerate reactions with organics stuck in cracks or on equipment.
Disposal: Avoid flushing into sewer systems, always stick to local hazardous waste laws when discarding contaminated materials.
Safe handling: People wear appropriate gear since both dust and chemical reactivity pose risks. Mixing with flammable materials or reducing agents leads to trouble. Powder gets everywhere--work in well-ventilated spots, local vacuum dust collection if possible.
Storage requirements: Store in tightly sealed, corrosion-resistant containers. Keep away from acids, organic materials and combustibles, and anything that could catch fire. Avoid moisture, which can degrade product and set up unwanted reactions. Storage rooms need low humidity, cool temps, and good labeling practices. Anyone storing oxidizers learns to separate them from heat and sources of friction or sparks.
Engineering controls: Fume hoods, dust extraction systems, and local ventilation reduce airborne particles. Keeping exposure low helps prevent nose, throat, and lung issues from dust.
Personal protection: Safety goggles or face shields, gloves made of suitable chemical-resistant material, dust mask or respirator when powder could get airborne. Laboratory coats or coveralls protect skin and regular clothes. Training and adherence to safety protocols lower the chance of accidents. Washing hands thoroughly after work with oxidizers is crucial—scrubbing off small traces before eating, drinking, or smoking.
Appearance: Odorless white or pale yellow powder
Molecular weight: 119.63 g/mol
Density: Around 4.7 g/cm³
Solubility: Slightly soluble in water, reacts slowly forming basic solutions and releasing hydrogen peroxide
Melting point: Decomposes before melting
Boiling point: Not applicable (decomposes)
Stability: Powder decomposes in moisture or upon heating, releases oxygen gas that fuels fires in right conditions
Odor: None
Thermal stability: Stable under recommended storage conditions but decomposes at elevated temperatures
Reactive with: Organic substances, acids, reducing agents, combustible materials
Hazardous decomposition products: Oxygen (gas), strontium oxide, can sharply raise fire risk during breakdown.
Incompatible materials: Avoid mixing or storing alongside anything reactive like paper, wood dust, sulfur, or flammable solvents. Keeping different hazard classes separated doesn’t always feel convenient, but essential in the long run.
Routes of exposure: Inhalation, ingestion, skin, and eye contact
Short-term effects: Dust irritates nose, throat, and airways, and the powder stings skin and eyes. Swallowing brings on sore throat, abdominal pain, sometimes vomiting or burns in the digestive system.
Long-term exposure: Continuous contact without adequate protection could sensitize or harm respiratory lining. Chronic strontium exposure impacts bones, though typical use in labs or fireworks factories rarely sustains levels high enough to cause such effects if proper controls are in place.
Known data: No classified carcinogenic properties noted. Unprotected handling produces acute harm more than lingering, subtle disease.
Environmental fate: Solubility in water is low but not zero, releasing strontium and peroxide ions that might disrupt aquatic ecosystems.
Ecotoxicity: Peroxides can harm fish and aquatic plants, especially if large spills seep into rivers or lakes.
Persistence and degradability: Once in water, product decomposes into strontium compounds and oxygen, strontium accumulates in sediments, changing mineral balance.
Bioaccumulation: Strontium itself deposits in aquatic organisms, though not dramatically more than natural strontium in soil and water.
Waste treatment: Residues labeled as hazardous—oxidizer status triggers strict rules. Never dump in regular trash or sewers. Contact a licensed hazardous waste handler to manage collection and chemical neutralization.
Empty containers: Rinse thoroughly, dry before disposal. Drums and bags holding strontium peroxide often require specialist cleaning before they can be scrapped or recycled.
Environmental responsibility: Anyone dealing with peroxides develops healthy respect for their capacity to harm wildlife and water supplies if mishandled or overlooked.
UN Number: UN 1509
Hazard Class: 5.1 (oxidizing substances)
Packing Group: II (substance presents medium hazard)
Transport precautions: Protect containers from shock, heat, moisture, and rough handling. Truck or cargo handlers trained in hazardous goods limit loading with incompatible chemicals.
Labelling requirements: Clear hazard symbols, with paperwork showing oxidizer status. Delays or mix-ups can arise from incomplete or incorrect declarations—not a risk worth taking for the sake of convenience.
Regulatory status: Covered by hazardous chemical regulations in many countries, flagged under oxidizer lists for storage and shipping. Some regions require reporting large volume usage to environmental agencies.
Workplace exposure standards: Not explicitly spelled out everywhere, but safety organizations recommend treating exposure like other strong oxidizers.
Community right-to-know: Emergency planners include strontium peroxide in risk assessments for schools, neighborhoods, and factories near plants using or storing this compound.
