| CAS Number: | 6834-92-0 |
| MDL Number: | MFCD00149176 |
| Molecular Formula: | Na2O3Si |
| Molecular Weight: | 122.06 (212.14) |
| Chemical Formula: | Na2SiO3·5H2O |
| Color and Form: | white pwdr. |
| Note: |
Safety: Hazardous
Physical Characteristics: melting point 40-48°C
| SECTION 1: Product Identification | |
|---|---|
| Chemical Name: | Sodium metasilicate pentahydrate, 99% |
| Product Number: | 93-1448 |
| CAS Registry Number: | 6834-92-0 |
| Formula: | Na2SiO3.5H2O |
| EINECS Number: | 229-912-9 |
| Chemical Family: | metal silicate |
| Synonym: | Disodium metasilicate, Water glass. |
| SECTION 2: Composition and Information on Ingredients | ||||
|---|---|---|---|---|
| Ingredient | CAS Number | Percent | ACGIH (TWA) | OSHA (PEL) |
| Title Compound | 6834-92-0 | 100 | no data | no data |
| SECTION 3: Hazards Identification | |
|---|---|
| Emergency Overview: | Corrosive to skin, eyes, and mucous membranes. May cause coughing, wheezing, shortness of breath, headache, nausea and vomiting. Ingestion may cause damage to the mouth, throat and esophagus. |
| Primary Routes of Exposure: | Ingestion, inhalation, skin, eyes. |
| Eye Contact: | Corrosive to eyes. |
| Skin Contact: | Corrosive to skin. |
| Inhalation: | Inhalation may cause inflammation of the respiratory tract, edema and chemical pneumonitis. |
| Ingestion: | Ingestion may cause damage to the mouth, throat and esophagus. |
| Acute Health Effects: | Corrosive to skin, eyes and mucous membranes. Inhalation causes coughing, wheezing, shortness of breath, headache, nausea, and vomiting. Ingestion may cause damage to the mouth throat and esophagus. |
| Chronic Health Effects: | Prolonged inhalation of silica dust can produce silicosis with impairment of the cardiopulmonary system. |
| NTP: | No |
| IARC: | No |
| OSHA: | No |
| SECTION 4: First Aid Measures | |
|---|---|
| Eye Exposure: | Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need assistance in keeping their eye lids open. Get immediate medical attention. |
| Skin Exposure: | Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists. |
| Inhalation: | Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance. |
| Ingestion: | Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce vomiting only if directed by medical personnel. |
| SECTION 5: Fire Fighting Measures | |
|---|---|
| Flash Point: | not applicable |
| Autoignition Temperature: | none |
| Explosion Limits: | none |
| Extinguishing Medium: | none required |
| Special Fire Fighting Procedures: | If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained breathing apparatus and full protective clothing. |
| Hazardous Combustion and Decomposion Products: | None |
| Unusual Fire or Explosion Hazards: | No unusual fire or explosion hazards. |
| SECTION 6: Accidental Release Measures | |
|---|---|
| Spill and Leak Procedures: | Small spills can be mixed with powdered sodium carbonate or ground limestone and swept up. |
| SECTION 7: Handling and Storage | |
|---|---|
| Handling and Storage: | Store material in a tightly sealed bottle away from moisture. |
| SECTION 8: Exposure Controls and Personal Protection | |
|---|---|
| Eye Protection: | Always wear approved safety glasses when handling a chemical substance in the laboratory. |
| Skin Protection: | Wear protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove. |
| Ventilation: | If possible, handle the material in an efficient fume hood. |
| Respirator: | In the absence of adequate ventilation a respirator should be worn. The use of a respiratory requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134. |
| Additional Protection: | No additional protection required. |
| SECTION 9: Physical and Chemical Properties | |
|---|---|
| Color and Form: | white pwdr. |
| Molecular Weight: | 122.06 (212.14) |
| Melting Point: | 40-48°C |
| Boiling Point: | no data |
| Vapor Pressure: | no data |
| Specific Gravity: | no data |
| Odor: | none |
| Solubility in Water: | very soluble |
| SECTION 10: Stability and Reactivity | |
|---|---|
| Stability: | air and moisture stable |
| Hazardous Polymerization: | no hazardous polymerization |
| Conditions to Avoid: | Strong acids |
| Incompatibility: | mineral acids |
| Decomposition Products: | none |
| SECTION 11: Toxicological Information | |
|---|---|
| RTECS Data: | Administration onto the skin (human); Standard Draize test: 250 mg/24H. Administration onto the skin (rabbit); Standard Draize test: 250 mg/24H. Administration onto the skin (guinea pig); Standard Draize test: 250 mg/24H. Oral (rat); LD50: 1153 mg/kg. Oral (mouse); LD50: 770 mg/kg. Oral (dog); LDLo: 250 mg/kg. Oral (pig); LDLo: 250 mg/kg. Intraperitoneal (guinea pig); LDLo: 200 mg/kg. Oral (rat); TDLo: 15 gm/kg. Subcutaneous (rat); TDLo: 9766 ug/kg. Intratesticular (rat); TDLo: 9766 ug/kg. |
| Carcinogenic Effects: | none |
| Mutagenic Effects: | none |
| Tetratogenic Effects: | reproductive effector |
| SECTION 12: Ecological Information | |
|---|---|
| Ecological Information: | No information available |
| SECTION 13: Disposal Considerations | |
|---|---|
| Disposal: | Dispose of according to local, state and federal regulations. |
| SECTION 14: Transportation | |
|---|---|
| Shipping Name (CFR): | Disodium trioxosilicate |
| Hazard Class (CFR): | 8 |
| Additional Hazard Class (CFR): | NA |
| Packaging Group (CFR): | III |
| UN ID Number (CFR): | UN# 3253 |
| Shipping Name (IATA): | Disodium trioxosilicate |
| Hazard Class (IATA): | 8 |
| Additional Hazard Class (IATA): | NA |
| Packaging Group (IATA): | III |
| UN ID Number (IATA): | UN# 3253 |
| SECTION 15: Regulatory Information | |
|---|---|
| TSCA: | Listed in the TSCA inventory. |
| SARA (Title 313): | Title compound not listed |
| Second Ingredient: | none |
| Third Ingredient: | none |
| SECTION 16: Other Information | |
|---|---|
| Disclaimer: | The information herein is believed to be accurate and reliable as of the date compiled. However, Strem Chemicals, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information contained in this document or any use of the product based on this information. |
| Preparation Date: | 10/29/2001 |
| Revision Date: | 8/01/2011 |