Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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Silicic acid sodium salt(1344-09-8)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

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

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

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

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

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

Exposure Controls/Personal Protection

Personal Protection
Wear appropriate protective gloves, clothing and goggles.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Poison Class
3

Fire Fighting Measures

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.

Accidental Release Measures

Small spills/leaks
Build dikes to contain flow as necessary. Neutralize spilled material with crushed limestone, soda ash, or lime.

Stability and Reactivity

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.

Transport Information

UN Number
1759
Hazard Class
8
Packing Group
I; II; III
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