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CAS Number: 112945-52-5
Product Catalog

93-1434
Silicon › Silicon(IV) oxide, 99+%, 0.012 micron (fumed colloidal silica)
CAS Number: 112945-52-5
MDL Number: MFCD00011232
Molecular Formula: O2Si
Molecular Weight: 60.09
Chemical Formula: SiO2
Color and Form: white pwdr.
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SECTION 1: Product Identification
Chemical Name: Silicon (IV) oxide, 99+%, 0.012 micron (fumed colloidal silica)
Product Number: 93-1434
CAS Registry Number: 112945-52-5
Formula: SiO2
EINECS Number: none
Chemical Family: metal oxide
Synonym: amorphous fumed silica
SECTION 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 112945-52-5 100 2 mg/m3 30mg/m3
SECTION 3: Hazards Identification
Emergency Overview: Harmful by inhalation. Irritating to eyes and respiratory system.
Primary Routes of Exposure: Inhalation
Eye Contact: Causes slight to mild irritation of the eyes. Symptoms include redness, and pain.
Skin Contact: The dust may cause slight irritation and dryness of the skin.
Inhalation: Harmful by inhalation. Irritating to the nose, mucous membranes and respiratory tract. Symptoms include coughing, wheezing, and sore throat.
Ingestion: No information available on the effects of ingestion.
Acute Health Effects: harmful by inhalation. Irritating to eyes and respiratory tract. Redness and pain in eyes and coughing and sore throat may result.
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: material is non-flammable
Special Fire Fighting Procedures: No special fire-fighting procedures. The material is non-flammable.
Hazardous Combustion and Decomposion Products: no hazardous decomposition products.
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 vermiculite or sodium carbonate and swept up.
SECTION 7: Handling and Storage
Handling and Storage: No special storage conditions.
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.
Ventilation: Material may form a fine dust. If possible, handle the material in an efficient fume hood.
Respirator: If ventilation is not available a respirator should be worn. The use of respirators 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: 60.09
Melting Point: 1500°C
Boiling Point: no data
Vapor Pressure: 10mm (1732°C)
Specific Gravity: no data
Odor: none
Solubility in Water: insoluble
SECTION 10: Stability and Reactivity
Stability: air and moisture stable solid
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: none
Incompatibility: hydrogen fluoride, wet fluorine, xenon hexafluoride, chlorine trifluoride.
Decomposition Products: none
SECTION 11: Toxicological Information
RTECS Data: Oral (rat) LD50 3160 mg/kg; Intper (rat) LDLo 50 mg/kg; Intrav (rat) LD50: 15 mg/kg; Intratrach (rat) LDLo:10 mg/kg; Inh (rat) TCLo: 154 mg/m3/6H/4W-I; Inhalation (rat) TCLo-tumorigen: 50 mg/m3/6H/2Y-I; Intratrach (rat) Unsch DNA : 120 mg/kg.
Carcinogenic Effects: No data available
Mutagenic Effects: No data available
Tetratogenic Effects: No data available
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): Non-hazardous
Hazard Class (CFR): NA
Additional Hazard Class (CFR): NA
Packaging Group (CFR): NA
UN ID Number (CFR): NA
Shipping Name (IATA): Non-hazardous
Hazard Class (IATA): NA
Additional Hazard Class (IATA): NA
Packaging Group (IATA): NA
UN ID Number (IATA): NA
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: 2/26/2001
Revision Date: 12/14/2011

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