Name:
Sodium hydroxide solid pellets
Synonym:
Caustic sod
CAS:
497-19-8
Section 1 - Chemical Product
MSDS Name:Sodium hydroxide solid pellets
Synonym:Caustic sod
Synonym:Caustic sod
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
| CAS# | Chemical Name | emsds | EINECS# |
| 497-19-8 | Sodium carbonate | <3% | 207-838-8 |
| Hazard Symbols: C Risk Phrases: 35 |
Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Causes severe burns.Hygroscopic (absorbs moisture from the air).
Potential Health Effects
Eye:
Causes severe eye burns. Causes redness and pain.
Skin:
May be fatal if absorbed through the skin. Causes skin burns. May cause deep, penetrating ulcers of the skin.
Ingestion:
Harmful if swallowed. Causes gastrointestinal tract burns. Causes severe pain, nausea, vomiting, diarrhea, and shock. May cause corrosion and permanent tissue destruction of the esophagus and digestive tract.
Inhalation:
Irritation may lead to chemical pneumonitis and pulmonary edema.
Causes severe irritation of upper respiratory tract with coughing, burns, breathing difficulty, and possible coma.
Chronic:
Prolonged or repeated skin contact may cause dermatitis.
Causes severe burns.Hygroscopic (absorbs moisture from the air).
Potential Health Effects
Eye:
Causes severe eye burns. Causes redness and pain.
Skin:
May be fatal if absorbed through the skin. Causes skin burns. May cause deep, penetrating ulcers of the skin.
Ingestion:
Harmful if swallowed. Causes gastrointestinal tract burns. Causes severe pain, nausea, vomiting, diarrhea, and shock. May cause corrosion and permanent tissue destruction of the esophagus and digestive tract.
Inhalation:
Irritation may lead to chemical pneumonitis and pulmonary edema.
Causes severe irritation of upper respiratory tract with coughing, burns, breathing difficulty, and possible coma.
Chronic:
Prolonged or repeated skin contact may cause dermatitis.
Section 4 - 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:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Discard contaminated clothing in a manner which limits further exposure.
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.
Notes to Physician:
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Discard contaminated clothing in a manner which limits further exposure.
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.
Notes to Physician:
Section 5 - FIRE FIGHTING MEASURES
General Information:
Wear appropriate protective clothing to prevent contact with skin and eyes. Wear a self-contained breathing apparatus (SCBA) to prevent contact with thermal decomposition products. Use water with caution and in flooding amounts. Contact with moisture or water may generate sufficient heat to ignite nearby combustible materials.
Extinguishing Media:
For small fires, use dry chemical, carbon dioxide, water spray or alcohol-resistant foam.
Wear appropriate protective clothing to prevent contact with skin and eyes. Wear a self-contained breathing apparatus (SCBA) to prevent contact with thermal decomposition products. Use water with caution and in flooding amounts. Contact with moisture or water may generate sufficient heat to ignite nearby combustible materials.
Extinguishing Media:
For small fires, use dry chemical, carbon dioxide, water spray or alcohol-resistant foam.
Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.
Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Use with adequate ventilation. Do not allow water to get into the container because of violent reaction. Do not get in eyes, on skin, or on clothing. Do not ingest or inhale.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area.
Wash thoroughly after handling. Use with adequate ventilation. Do not allow water to get into the container because of violent reaction. Do not get in eyes, on skin, or on clothing. Do not ingest or inhale.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area.
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits CAS# 497-19-8: Russia: 5 mg/m3 TWA CAS# 1310-73-2: United Kingdom, WEL - STEL: 2 mg/m3 STEL United States OSHA: 2 mg/m3 TWA Belgium - TWA: 2 mg/m3 VLE France - VME: 2 mg/m3 VME Germany: 2 mg/m3 TWA (inhalable fraction) Japan: 2 mg/m3 Ceiling Malaysia: 2 mg/m3 Ceiling Spain: 2 mg/m3 VLA-EC Personal Protective Equipment Eyes: Not available.
Skin:
Wear impervious gloves.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits CAS# 497-19-8: Russia: 5 mg/m3 TWA CAS# 1310-73-2: United Kingdom, WEL - STEL: 2 mg/m3 STEL United States OSHA: 2 mg/m3 TWA Belgium - TWA: 2 mg/m3 VLE France - VME: 2 mg/m3 VME Germany: 2 mg/m3 TWA (inhalable fraction) Japan: 2 mg/m3 Ceiling Malaysia: 2 mg/m3 Ceiling Spain: 2 mg/m3 VLA-EC Personal Protective Equipment Eyes: Not available.
Skin:
Wear impervious gloves.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
Physical State: Pellets
Color: white
Odor: odorless
pH: Not available.
Vapor Pressure: 1 mbar @700 deg C
Viscosity: Not available.
Boiling Point: 1390 deg C @ 760.00mm Hg
Freezing/Melting Point: 318 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: 1 g/0.9 ml water
Specific Gravity/Density: 2.1300g/cm3
Molecular Formula: NaOH
Molecular Weight: 40.00
Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid:
Incompatible materials, moisture, contact with water, acids.
Incompatibilities with Other Materials:
Water, acids, aluminum, carbon dioxide, steel, zinc, tin, hydrogen sulfide.
Hazardous Decomposition Products:
Toxic fumes of sodium oxide, hydrogen gas, sodium peroxide fumes.
Hazardous Polymerization: Will not occur.
Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid:
Incompatible materials, moisture, contact with water, acids.
Incompatibilities with Other Materials:
Water, acids, aluminum, carbon dioxide, steel, zinc, tin, hydrogen sulfide.
Hazardous Decomposition Products:
Toxic fumes of sodium oxide, hydrogen gas, sodium peroxide fumes.
Hazardous Polymerization: Will not occur.
Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 497-19-8: VZ4050000 CAS# 1310-73-2: WB4900000 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, mouse: LD50 = 6600 mg/kg; Oral, rat: LD50 = 4090 mg/kg.
CAS# 1310-73-2: Draize test, rabbit, eye: 400 ug Mild; Draize test, rabbit, eye: 1% Severe; Draize test, rabbit, eye: 50 ug/24H Severe; Draize test, rabbit, eye: 1 mg/24H Severe; Draize test, rabbit, skin: 500 mg/24H Severe.
Carcinogenicity:
Sodium carbonate - Not listed by ACGIH, IARC, or NTP.
Sodium hydroxide - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
CAS# 497-19-8: VZ4050000 CAS# 1310-73-2: WB4900000 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, mouse: LD50 = 6600 mg/kg; Oral, rat: LD50 = 4090 mg/kg.
CAS# 1310-73-2: Draize test, rabbit, eye: 400 ug Mild; Draize test, rabbit, eye: 1% Severe; Draize test, rabbit, eye: 50 ug/24H Severe; Draize test, rabbit, eye: 1 mg/24H Severe; Draize test, rabbit, skin: 500 mg/24H Severe.
Carcinogenicity:
Sodium carbonate - Not listed by ACGIH, IARC, or NTP.
Sodium hydroxide - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
Section 12 - ECOLOGICAL INFORMATION
Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.
Section 14 - TRANSPORT INFORMATION
IATA
Shipping Name: SODIUM HYDROXIDE, SOLID
Hazard Class: 8
UN Number: 1823
Packing Group: II
IMO
Shipping Name: SODIUM HYDROXIDE, SOLID
Hazard Class: 8
UN Number: 1823
Packing Group: II
RID/ADR
Shipping Name: SODIUM HYDROXIDE, SOLID
Hazard Class: 8
UN Number: 1823
Packing group: II
USA RQ: CAS# 1310-73-2: 1000 lb final RQ; 454 kg final RQ
Section 15 - REGULATORY INFORMATION
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 35 Causes severe burns.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 497-19-8: 1
CAS# 1310-73-2: 1
Canada
CAS# 497-19-8 is listed on Canadas DSL List.
CAS# 1310-73-2 is listed on Canadas DSL List.
CAS# 497-19-8 is listed on Canadas Ingredient Disclosure List.
CAS# 1310-73-2 is listed on Canadas Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 497-19-8 is listed on the TSCA inventory.
CAS# 1310-73-2 is listed on the TSCA inventory.
