| Product Identification | Back to Contents | 【Product Name】
Silicic acid sodium salt | 【Synonyms】
Silicic acid, sodium salt
Sodium siliconate
Soluble glass
Waterglass | 【CAS】
1344-09-8 | 【Formula】
Na2O3Si | 【Molecular Weight】
122.06 | 【EINECS】
215-687-4 | 【RTECS】
VV9365000 | 【RTECS Class】
Primary Irritant | 【Beilstein/Gmelin】
19151 (G) |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
A powdered or flaked solid. | 【Solubility in water】
Slightly soluble | 【Vapor Pressure】
18 | 【Density】
1.37 g/cm3 | 【Usage】
Lining bessemer converters, acid concentraters, manufacture grindstones, abrasive wheels (as binder only). | 【Refractive Index】
1.512 - 1.514 |
| First Aid Measures | Back to Contents | 【Ingestion】
Mucosal if no respiratory compromise is present, dilute immediately with milk or water; no more than 8 ounces in adults and 4 ounces in children. Gastric ipecac contraindicated. Consider insertion of a small, flexible nasogastric or orogastric tube to suction gastric contents after recent large ingestions; the risk of further mucosal injury must be weighed against potential benefits. | 【Inhalation】
Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with beta2 agonist and corticosteroid aerosols. | 【Skin】
Remove contaminated clothes. Irrigate exposed skin with copious amounts of water for at least 15 minutes or longer, depending on concentration, amount and duration of exposure to the chemical. A physician may need to examine the area if irritation or pain persist. | 【Eyes】
Home irrigation - exposed eyes should be irrigated with copious amounts of water for at least 30 minutes. An examination should always be performed. Ophthalmologic consultation should be obtained. Medical facility: irrigate with sterile 0.9% Saline for at least an hour or until the cul-de-sacs are free of particulate matter and returned to neutrality (confirm with pH paper). |
| Handling and Storage | Back to Contents | 【Storage】
Store in a cool, dry location in a sealed container. | 【Handling】
Containers of this material may be hazardous when emptied. Since emptied containers retain product residues (vapor, liquid, and/or solid), all hazard precautions given in the data sheet must be observed. |
| Hazards Identification | Back to Contents | 【Ingestion】
Burns of the esophagus and less commonly the stomach may occur after caustic ingestion; the absence of oral mucosal injury does not reliably exclude esophageal burns. Patients with stridor, drooling or vomiting are more likely to have esophageal burns. | 【Inhalation】
Stridor, dyspnea, upper airway injury, and pulmonary edema, especially following inhalation of vaporized caustics, may occur. | 【Skin】
Severe skin irritation and/or burns may occur. | 【Eyes】
See Inhalation. | 【Hazards】
Oxides from metallic fires are a severe health hazard. Fire may produce irritating, corrosive and/or toxic gases. | 【UN (DOT)】
1759 |
| Fire Fighting Measures | Back to Contents | 【Fire Fighting】
Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.) Use water in flooding quantities as fog. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible. | 【Fire Potential】
Flammable solid. |
| Stability and Reactivity | Back to Contents | 【Incompatibilities】
Reacts violently with fluorine. Avoid contact with: acids, reactive metals such as aluminum and magnesium, zinc. | 【Stability】
Stable.Stable at normal temperatures and pressures. | 【Decomposition】
Silicates. | 【Combustion Products】
Fire may produce irritating, corrosive and/or toxic gases. |
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