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Chemical Name: Sodium Percarbonate
Common Names: Solid hydrogen peroxide, sodium carbonate peroxyhydrate
Appearance: White, crystalline granules, often used in cleaning powders
Odor: No noticeable smell
Key Uses: Laundry detergents, household cleaners, oxygen bleach
Solubility: Fully dissolves in water, producing hydrogen peroxide and soda ash
CAS Number: 15630-89-4
Molecular Formula: 2Na2CO3 · 3H2O2
Main Risks: Strong oxidizer, brings risks of fire with combustible materials; soft tissue irritant
Routes of Exposure: Skin, eyes, inhalation, ingestion
Symptoms: Redness, burning sensation, coughing, difficulty breathing if dust is inhaled
Pictograms: Exclamation mark, flame over circle (oxidizer)
GHS Classification: Serious eye irritant, oxidizing solid (Category 3)
Active Component: Sodium Percarbonate, generally over 85% by weight
Impurities: Sodium carbonate residues, traces of hydrogen peroxide
Stabilizers: Small amounts added to maintain shelf life
Additives: Sometimes perfumes or other inert components in commercial blends
Eye Contact: Immediate rinsing with plenty of water, avoid rubbing, seek medical help if irritation remains
Skin Contact: Remove contaminated clothes, wash area well with water and mild soap
Inhalation: Move to fresh air, calm breathing, get medical advice if symptoms linger
Ingestion: Rinse mouth, drink water, do not induce vomiting, get medical attention if discomfort occurs
Sodium Percarbonate Role: Does not burn on its own—releases oxygen, which boosts flames of nearby material
Extinguishing Agents: Use water spray, dry chemical, foam
Special Concerns: Avoid using CO2 extinguishers as they do little in this case—focus on isolating combustibles
Protective Gear: Full body protection and breathing apparatus recommended for responders
Spill Response: Clean up dry material, avoid creating dust clouds
Household Handling: Sweep with gentle motions, bag waste in sealed containers
Workplace Steps: Ventilate area; keep sodium percarbonate away from organic material and moisture
Environmental Note: Clean spills quickly to prevent waterway contamination
Storage Needs: Keep in closed containers, cool, dry places
Handling Tips: Prevent contact with skin, eyes, and especially damp or combustible materials
Work Practice: Use with care—avoid rough handling or accidental mixing with acids or fuels
Containers: Use materials that resist strong oxidizers, such as certain plastics or stainless steel
Engineering Controls: Good ventilation, localized exhaust at handling points
Personal Protection: Eye goggles, chemical-resistant gloves, dust masks in dusty settings
Occupational Limits: No widely recognized occupational exposure limits, but keep exposure low
Hygiene: Wash hands after use, do not eat or drink near powdered forms
Form: Free-flowing crystalline solid
Color: Bright white
Melting Point: Breaks down before melting around 60°C
Decomposition: Releases oxygen, can rapidly accelerate fires
Solubility: Readily dissolves in water to yield hydrogen peroxide, which breaks down to oxygen gas over time
Chemical Stability: Stable when dry; decomposes rapidly if exposed to moisture
Conditions to Avoid: Warm, humid storage, contact with acids, or organic substances
Hazardous Decomposition: Yields oxygen, which rapidly boosts combustion; forms soda ash and water under typical conditions
Reactive Materials: Strong acids, bases, metals, and organic compounds
Short-Term Effects: Eye, skin, or respiratory irritation; upset stomach on ingestion
Long-Term Exposure: Not classified as carcinogenic, but repeated contact may worsen irritation
Sensitive Groups: Asthma sufferers, people with skin sensitivities
Toxicity Data: Animal studies show low acute oral toxicity, but risky when undiluted
Environmental Fate: Breaks down into naturally occurring substances: water, oxygen, sodium carbonate
Aquatic Impact: Releases oxygen and soda ash; high concentrations may harm aquatic life
Biodegradability: Not persistent in the environment, does not bioaccumulate
Practical Note: Small amounts used in cleaning often break down fully before reaching water treatment plants
Preferred Solutions: Use up remaining product before disposal; dilute remains fully
Household Disposal: Flush small amounts down drain with plenty of water; avoid dumping on soil
Bulk Waste: Seek licensed waste handler for larger quantities, do not dump near vegetation or waterways
Hazard Labels: Oxidizing agent label needed on large shipments
Shipping Classes: Listed as an oxidizer—special packing rules may apply on road, rail, or sea
Safety Requirement: Transport separate from fuels, organic materials, strong acids
Consumer Packs: No major shipping restrictions when sold in retail-sized amounts
Chemical Laws: Regulated as an oxidizing agent in many regions; included in workplace chemical safety lists
Usage Limits: No strict consumer restrictions, but workplace limits in place
Industry Guidance: Firms handling large quantities must have written health and safety policies
Warning Labels: Required in many countries for eye irritant and oxidizing solid classification
