• Product Name: Sodium carbonate, anhydrous, pure
• Synonyms: Soda ash
• CAS: 497-19-8
• Hazard Symbols: XI
• Risk Phrases: 36

Physical and Chemical Properties

• Physical State: Powder
• Color: White
• Odor: Odorles
• Vapor Pressure: Not available.
• Viscosity: Not available.
• Boiling Point: 1600 deg C @ 760.00mm Hg
• Melting Point: 851 deg C
• Autoignition Temperature: Not available.
• Flash Point: Not available.
• Explosion Limits, lower: Not available.
• Explosion Limits, upper: Not available.
• Solubility in water: 22 G/100 ML WATER (20°C)
• Specific Gravity/Density: 2.5320g/cm3
• Molecular Formula: Na2CO3
• Molecular Weight: 105.99

Hazards Identification

• Irritating to eyes.Hygroscopic (absorbs moisture from the air).

  Potential Health Effects

  • Eye: Causes eye irritation
  • Skin: May cause skin irritation
  • Ingestion: May cause irritation of the digestive tract
  • Inhalation: May cause respiratory tract irritation
  • Chronic: Not available

First Aid Measures

• Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

• Skin: Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid.

• Ingestion: Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.

• Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.

Fire Fighting Measures

• General Information: As in any fire, wear a self-contained breathing apparatus in
  pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Substance is noncombustible.
• Extinguishing Media: Substance is noncombustible; use agent most appropriate to
  extinguish surrounding fire.

Accidental Release Measures

• General Information: Use proper personal protective equipment (see below).
• Spills (Leaks): Vacuum or sweep up material and place into a suitable disposal container.

Handling and Storage

• Handling: Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
• Storage: Store in a cool, dry place. Store in a tightly closed container.

Exposure Controls, Personal Protection

• Engineering Controls: Good general ventilation should be sufficient to control airborne levels.
  
  Personal Protective Equipment
  
  • Eyes: Wear chemical goggles and face shield.
  • Skin: Wear appropriate protective gloves and clothing to prevent skin exposure.
  • Clothing: Wear appropriate protective clothing to minimize contact with skin.
  • Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessar

Stability and Reactivity

• Chemical Stability: Stable.
• Conditions to Avoid: Incompatible materials, exposure to moist air or water, temperatures above 300°C.
• Incompatibilities with Other Materials: Strong acids, aluminum, fluorine, sulfuric acid, zinc, hydrogen peroxides, lithium, phosphorus pentoxide, 2,4,6-trinitrotoluene, 2,-4-dinitrotoluene.
• Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, toxic fumes of sodium oxide.
• Hazardous Polymerization: Has not been reported.

Toxicological Information

• RTECS No.: CAS# 497-19-8: VZ4050000
• LD50/LC50: CAS# 497-19-8:
  Draize test, rabbit, eye: 100 mg/24H Moderate;
  Draize test, rabbit, eye: 50 mg Severe;
  Draize test, rabbit, skin: 500 mg/24H Mild;
  Inhalation, mouse: LC50 = 1200 mg/m3/2H;
  Inhalation, rat: LC50 = 2300 mg/m3/2H;
  Oral, mouse: LD50 = 6600 mg/kg;
  Oral, rat: LD50 = 4090 mg/kg.
  Carcinogenicity: Sodium carbonate, anhydrous, pure - Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
  Other: See actual entry in RTECS for complete information.

Ecological Information

• Ecotoxicity: Toxic to aquatic life: damaging action due to shift in pH

Disposal Considerations

• Dispose of in a manner consistent with federal, state, and local regulations.

Transport Information

• IATA: No information available.
• IMO: No information available.
• RID/ADR: No information available.

Regulatory Information

• European/International Regulations
  
  European Labeling in Accordance with EC Directives
  
• Hazard Symbols: XI
  
  Risk Phrases:
  R 36 Irritating to eyes.
  
  Safety Phrases:
  S 22 Do not breathe dust.
  S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

Disclaimer

• The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. Users should make their own investigations to determine the suitability of the information for their particular purposes. In no way shall the company be liable for any claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential or exemplary damages, howsoever arising, even if the company has been advised of the possibility of such damages.