Sodium orthosilicate

Synonym:Silicic acid tetrasodium salt, Sodium silicate

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Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound13472-30-5100%no datano data

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Section 3: Hazards Identification
Emergency Overview:Corrosive alkali. Causes burns to skin and mucous membranes.
Primary Routes of Exposure:Ingestion, inhalation, skin and eyes
Eye Contact:Causes burning of the eyes resulting in redness, chemical burns and watering.
Skin Contact:Prolonged contact with moist skin causes chemical burns.
Inhalation:May cause difficulty in breathing and irritate the mucous membranes and respiratory tract.
Ingestion:Corrosive to mouth and throat and may cause ulceration of esophagus and stomach.
Acute Health Affects:Burns will occur at all points of bodily contact
Chronic Health Affects:Prolonged inhalation of silica dust can produce silicosis with impairment of the cardiopulmonary system.
NTP:No
IARC:No
OSHA:No

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SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.

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SECTION 5: Fire Fighting Measures
Flash Point:not applicable
Autoignition Temperature:none
Explosion Limits:none
Extinguishing Medium:none required
If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained
Special Fire Fighting Procedures:
breathing apparatus and full protective clothing.
Hazardous Combustion andNone
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

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SECTION 6: Accidental Release Measures
Spill and Leak Procedures:Small spills can be mixed with powdered sodium carbonate or ground limestone and swept up.

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SECTION 7: Handling and Storage
Handling and Storage:Store material in a tightly sealed bottle away from moisture.

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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 clothes and gloves. Consult with glove manufacturer to determine the proper type of glove.
Ventilation:If possible, handle the material in an efficient fume hood.
In the absence of adequate ventilation a respirator should be worn. The use of a respiratory requires a
Respirator:
Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:If possible, handle the material in an efficient fume hood.
Additional Protection:No additional protection required.

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SECTION 9: Physical and Chemical Properties
Color and Form:white pwdr.
Molecular Weight:184.04
Melting Point:1018°
Boiling Point:no data
Vapor Pressure:not applicable
Specific Gravity:no data
Odor:none
Solubility in Water:soluble

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SECTION 10: Stability and Reactivity
Stability:air and moisture stable
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:none
Incompatibility:None
Decomposition Products:none

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SECTION 11: Toxicological Information
RTECS Data:No information available in the RTECS files.
Carcinogenic Effects:none
Mutagenic Effects:none
Tetratogenic Effects:none

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SECTION 12: Ecological Information
Ecological Information:No information available

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SECTION 13: Disposal Considerations
Disposal:Dispose of according to local, state and federal regulations.

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SECTION 14: Transportation
Shipping Name (CFR):Corrosive solids, N.O.S.
Hazard Class (CFR):8
Additional Hazard Class (CFR):NA
Packaging Group (CFR):III
UN ID Number (CFR):UN# 1759
Shipping Name (IATA):Corrosive solids, N.O.S.
Hazard Class (IATA):8
Additional Hazard Class (IATA):NA
Packaging Group (IATA):III
UN ID Number (IATA):UN# 1759

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SECTION 15: Regulatory Information
TSCA:Listed in the TSCA inventory.
SARA (Title 313):Title compound not listed
Second Ingredient:none

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SECTION 16 - ADDITIONAL INFORMATION
N/A