Name:
Sodium Metasilicate
Synonym:
Sodium silicate; Disodium metasilicate; Disodium trioxosilicate
CAS:
6834-92-0
Section 1 - Chemical Product
MSDS Name:Sodium Metasilicate
Synonym:Sodium silicate; Disodium metasilicate; Disodium trioxosilicate
Synonym:Sodium silicate; Disodium metasilicate; Disodium trioxosilicate
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
| CAS# | Chemical Name | emsds | EINECS# |
| 6834-92-0 | Sodium metasilicate | 100 | 229-912-9 |
| Hazard Symbols: XI Risk Phrases: 36/38 |
Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Irritating to eyes and skin.
Potential Health Effects
Eye:
Contact with eyes may cause severe irritation, and possible eye burns.
Skin:
Contact with skin causes irritation and possible burns, especially if the skin is wet or moist.
Ingestion:
May cause severe gastrointestinal tract irritation with nausea, vomiting and possible burns.
Inhalation:
May cause severe irritation of the upper respiratory tract with pain, burns, and inflammation.
Chronic:
Prolonged or repeated exposure may cause adverse reproductive effects.
Irritating to eyes and skin.
Potential Health Effects
Eye:
Contact with eyes may cause severe irritation, and possible eye burns.
Skin:
Contact with skin causes irritation and possible burns, especially if the skin is wet or moist.
Ingestion:
May cause severe gastrointestinal tract irritation with nausea, vomiting and possible burns.
Inhalation:
May cause severe irritation of the upper respiratory tract with pain, burns, and inflammation.
Chronic:
Prolonged or repeated exposure may cause adverse reproductive effects.
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.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. 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.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. 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.
Extinguishing Media:
For small fires, use water spray, dry chemical, carbon dioxide or chemical 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.
Extinguishing Media:
For small fires, use water spray, dry chemical, carbon dioxide or chemical 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. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Avoid ingestion and inhalation.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Avoid ingestion and inhalation.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHAs eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
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 necessary.
Use adequate ventilation to keep airborne concentrations low.
Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHAs eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
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 necessary.
Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
Physical State: Not available.
Color: colorless or white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 72 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Slightly soluble in water.
Specific Gravity/Density: 1.749
Molecular Formula: Na2SiO3
Molecular Weight: 122.0633
Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Incompatible with strong acids and fluorine.
Hazardous Decomposition Products:
Hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide, toxic fumes of sodium oxide.
Hazardous Polymerization: Has not been reported.
Stable.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Incompatible with strong acids and fluorine.
Hazardous Decomposition Products:
Hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide, toxic fumes of sodium oxide.
Hazardous Polymerization: Has not been reported.
Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 6834-92-0: VV9275000 LD50/LC50:
CAS# 6834-92-0: Draize test, rabbit, skin: 250 mg/24H Severe; Oral, mouse: LD50 = 770 mg/kg; Oral, rat: LD50 = 1153 mg/kg.
Carcinogenicity:
Sodium metasilicate - Not listed by ACGIH, IARC, or NTP.
See actual entry in RTECS for complete information.
CAS# 6834-92-0: VV9275000 LD50/LC50:
CAS# 6834-92-0: Draize test, rabbit, skin: 250 mg/24H Severe; Oral, mouse: LD50 = 770 mg/kg; Oral, rat: LD50 = 1153 mg/kg.
Carcinogenicity:
Sodium metasilicate - Not listed by ACGIH, IARC, or NTP.
See actual entry in RTECS for complete information.
Section 12 - ECOLOGICAL INFORMATION
Section 13 - DISPOSAL CONSIDERATIONS
Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling.
Section 14 - TRANSPORT INFORMATION
IATA
Shipping Name: CORROSIVE SOLID, NOS
Hazard Class: 8
UN Number: 1759
Packing Group: II
IMO
Shipping Name: CORROSIVE SOLID, NOS
Hazard Class: 8
UN Number: 1759
Packing Group: II
RID/ADR
Shipping Name: CORROSIVE SOLID, NOS
Hazard Class: 8
UN Number: 1759
Packing group: II
Section 15 - REGULATORY INFORMATION
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 36/38 Irritating to eyes and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 28 After contact with skin, wash immediately
with...
WGK (Water Danger/Protection)
CAS# 6834-92-0: 1
United Kingdom Occupational Exposure Limits
United Kingdom Maximum Exposure Limits
Canada
CAS# 6834-92-0 is listed on Canadas DSL List.
CAS# 6834-92-0 is listed on Canadas Ingredient Disclosure List.
Exposure Limits
US FEDERAL
TSCA
CAS# 6834-92-0 is listed on the TSCA inventory.
