Product Name: Sodium Silicate
Chemical Formula: Na₂SiO₃
Synonyms: Water Glass, Sodium Metasilicate
CAS Number: 1344-09-8
Recommended Use: Manufacturing, construction, adhesives, water treatment
Supplier: Manufacturer or local distributor details provided on shipment and invoice
Emergency Contact: Refer to packaging or local poison information center
Classification: Corrosive to metals, causes severe skin burns and eye damage
Signal Word: Danger
Hazard Statements: Causes serious eye damage, causes skin burns, may harm aquatic life
Pictograms: Corrosive symbol, exclamation mark
Route of Exposure: Inhalation, ingestion, skin, and eye contact
Symptoms: Redness, severe irritation, eye pain, potential vision loss, gastrointestinal upset if swallowed, coughing or shortness of breath if inhaled
Chemical Name: Sodium Silicate
Concentration: Typically 30-60% by weight in solution
Other Components: Water as the balance
Impurities: Trace amounts of sodium hydroxide, silicon dioxide, no significant hazardous impurities present
Inhalation: Move to fresh air, support breathing as needed, seek medical attention without delay if symptoms persist
Skin Contact: Rinse skin thoroughly with running water for at least 15 minutes, remove contaminated clothing, medical support required if burns are visible
Eye Contact: Flush eyes immediately with water for several minutes, lift eyelids occasionally, seek urgent medical care
Ingestion: Rinse mouth, do not induce vomiting, drink water if victim is fully conscious, get medical assistance straight away
Flammability: Product does not ignite easily, but may spatter if heated
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or foam to extinguish surrounding fire
Special Hazards: Heated solution may generate steam pressure, may react with metals producing hydrogen gas
Protective Equipment: Firefighters use self-contained breathing apparatus, chemical-resistant gear required
Additional Advice: Keep containers cool with water spray to prevent rupture
Personal Precautions: Wear protective gloves, chemical goggles, boots, impervious clothing
Spill Containment: Prevent entry into soils, drains, or waterways, absorb with inert material such as sand or vermiculite
Clean-Up Methods: Collect using shovel or vacuum system, store in suitable drum for disposal, wash affected area with water
Environmental Precautions: Large spills threaten aquatic organisms, alert local authorities if entry to water system is likely
Precautions for Safe Handling: Work in well-ventilated areas, avoid direct contact with skin, eyes, and clothing
Hygiene Practices: Wash hands thoroughly after handling, use personal protection
Storage Conditions: Store in original, tightly sealed packaging, keep out of reach of children, separate from acids and oxidizers
Temperature: Store in ambient conditions, away from heat sources and sunlight
Occupational Exposure Limit: No established limits for sodium silicate, keep exposure to minimum
Ventilation: Use local exhaust or general ventilation to keep airborne levels low
Eye Protection: Chemical safety goggles or face shield
Skin Protection: Wear chemical-resistant gloves, long-sleeved clothing
Respiratory Protection: Use NIOSH-approved respirator in case of insufficient ventilation
Other Equipment: Eyewash station, emergency shower in work area
Appearance: Clear, viscous liquid or glassy solid
Odor: Odorless
pH: Highly alkaline, typically 11.5 - 12.5
Solubility: Soluble in water
Boiling Point: Above 100°C (solution)
Melting Point: Around 1088°C (anhydrous solid)
Density: 1.3 - 1.6 g/cm³ (solution, varies with concentration)
Vapor Pressure: Not significant
Chemical Stability: Stable under recommended conditions
Reactivity: Reacts with acids to release heat and form silica gel
Hazardous Reactions: Contact with ammonium salts may generate ammonia gas, reacts with metals like aluminum releasing hydrogen
Hazardous Decomposition Products: None under normal storage, hydrogen may form under contact with certain metals
Incompatible Materials: Strong acids, ammonium compounds, reactive metals
Routes of Exposure: Eyes, skin, inhalation, ingestion
Acute Effects: Causes severe irritation, burns, risk of blindness through eye exposure
Chronic Effects: Prolonged skin exposure may cause dermatitis, repeated inhalation may irritate respiratory system
Acute Toxicity: LD50 oral (rat) ~1153 mg/kg
Carcinogenicity: Not classified as carcinogen by IARC, ACGIH, NTP, or OSHA
Environmental Hazards: Alkalinity may alter water pH and harm aquatic species
Persistence and Degradability: Inorganic, persists in soil and water as silicates
Bioaccumulation Potential: Low, does not accumulate in living organisms
Mobility in Soil: Mobile in water, may migrate to groundwater
Aquatic Toxicity: Harmful to aquatic creatures at high concentrations, LC50 fish (96 h): 210 mg/L
Waste Disposal: Collect and neutralize with acid before disposal
Regulatory Requirements: Dispose consistent with federal, state, and local regulations
Packing Disposal: Contaminated containers rinsed and recycled or disposed per local guidelines
Avoid Release: Do not allow into drains or waterways
UN Number: Not typically regulated for transport in solution at standard concentrations
Transport Hazard Class: Not classified as hazardous for most land, air, or sea shipments
Packing Group: Not assigned
Special Precautions: Protect from physical damage, do not transport with acids or foodstuffs
OSHA Status: Regulated for workplace chemical safety
TSCA Inventory: Listed
SARA Title III: Not listed as a Section 302 Extremely Hazardous Substance, Section 313 reporting not required
REACH Status: Registered in Europe
Other Regulations: State-specific reporting may apply, full compliance with environmental protection laws required
