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Silica glass

CAS No.: 60676-86-0
Formula: O2Si
Molecular Weight: 60.0843
Suppliers: All(0) China Suppliers(0) Products(15)
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  • Basic Info
  • Safety Info
  • MSDS
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What is Silica glass

Silicon dioxide (SiO₂), commonly known as silica, is a naturally occurring compound composed of silicon and oxygen. It is one of the most abundant minerals on Earth, found in various forms such as quartz, sand, and glass. Silicon dioxide is widely used across industries due to its versatility, stability, and non-toxic properties. In the food industry, it serves as an anti-caking agent, while in electronics, it is a critical component in semiconductors and optical fibers. Its high thermal resistance and electrical insulation make it indispensable in construction, ceramics, and coatings. Silicon dioxide is a cornerstone material in modern technology and everyday applications.

Preparation Process: Silicon dioxide (SiO₂) can be prepared through several methods: 1. **Natural Extraction**: Mined from quartz or sand, then purified via washing and acid treatment to remove impurities. 2. **Precipitation**: Sodium silicate (Na₂SiO₃) is reacted with hydrochloric acid (HCl), forming SiO₂ gel, which is dried and calcined. 3. **Pyrolysis**: Vapor-phase hydrolysis of silicon tetrachloride (SiCl₄) in a hydrogen-oxygen flame yields high-purity SiO₂ nanoparticles. 4. **Sol-Gel Process**: Tetraethyl orthosilicate (TEOS) undergoes hydrolysis and condensation in ethanol/water with a catalyst, followed by drying and sintering. 5. **Biological Synthesis**: Certain microorganisms produce SiO₂ under controlled conditions. Each method varies in purity, particle size, and application suitability.

Usage Scenarios: Silicon dioxide (SiO₂) is widely used in various industries due to its versatile properties. In construction, it serves as a key component in cement, concrete, and glass manufacturing. The electronics industry relies on it for producing silicon wafers and insulating materials in semiconductors. In food and pharmaceuticals, it acts as an anti-caking agent, stabilizer, and desiccant. Cosmetics and personal care products use it as a thickener, abrasive, or absorbent. It is also employed in paints, coatings, and adhesives for its reinforcing and rheological properties. Additionally, SiO₂ is used in chromatography for purification and as a filler in rubber and plastics to enhance durability and strength.

Silica glass Basic Info
Chemical Name Silica glass
Synonyms KIESELGUHR;SILICONE DIOXIDE;CELITE 545;HYFLO;MICROSILICA;fused;Fused silica;KIESELGEL;KIESELGUR;FILTER AGENT
CAS No. 60676-86-0
Molecular Formula O2Si
Molecular Weight 60.0843
PSA 34.14000
LogP -0.61840
Safely Info
RTECS VV7311000
Hazard Class -
Safety Statements 22-24/25-45-26-53-36
HS Code 28112200
WGK Germany 2
Packing Group -
RIDADR -
Risk Statements 48/20-36/38-45-36/37
Hazard Codes T; Xn
Caution Statement P305+P351+P338-P314
Hazard Declaration H319-H335-H373
Symbol GHS07,GHS08
Signal Word Warning
Silica glass Price
United States: $1-10
China: $1-5
Russia: $1-8
Germany: $1-9
India: $1-6
Japan: $2-7
Brazil: $2-8
South Korea: $1-6
Philippines: $1-5
United Kingdom: $1-9
France: $1-7
Mexico: $1-6
Canada: $1-8
South Africa: $1-7
Egypt: $1-6
Turkey: $1-6
Thailand: $1-5
Indonesia: $1-5
MSDS
MSDS
Name: Celatom FW-14 Material Safety Data Sheet
Synonym: Silica, amorphous - fused; Amorphous quartz; Fused quartz; Quartz glass; Noncrystalline silica
CAS: 60676-86-0
Section 1 - Chemical Product   MSDS Name:Celatom FW-14 Material Safety Data Sheet
Synonym:Silica, amorphous - fused; Amorphous quartz; Fused quartz; Quartz glass; Noncrystalline silica

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
60676-86-0 Silica, amorphous - fused 100 262-373-8
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Not available.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
Inhalation:
May cause respiratory tract irritation. May cause lung damage.
Contains crystalline silica which may lead to respiratory abnormalities and silicosis.
Chronic:
Chronic inhalation of dust may lead to silicosis.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Substance is noncombustible; use agent most appropriate to extinguish surrounding fire. Use agent most appropriate to extinguish fire.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Storage:
Store in a cool, dry place. Keep container closed when not in use.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits CAS# 60676-86-0: United Kingdom, WEL - TWA: 0.08 mg/m3 TWA (respirable dust) United Kingdom, WEL - STEL: 0.24 mg/m3 TWA (respirable dust) Belgium - TWA: 2 mg/m3 VLE (fume, respirable fraction); 0.1 mg/m3 (respirable dust for fuse Germany: 0.3 mg/m3 TWA (respirable fraction) Malaysia: 0.1 mg/m3 TWA (respirable fraction) Russia: (listed as silica, amorphous): 1 mg/m3 TWA Spain: 0.1 mg/m3 VLA-ED (respirable fraction) Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use. Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Crystalline powder
Color: white
Odor: None reported.
pH: Not available.
Vapor Pressure: 10 mm Hg @ 1730C
Viscosity: Not available.
Boiling Point: 2230 deg C
Freezing/Melting Point: 1610 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: N/A
Explosion Limits, upper: N/A
Decomposition Temperature:
Solubility in water: insoluble
Specific Gravity/Density: 2.2
Molecular Formula: SiO2
Molecular Weight: 60.0843

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, dust generation, excess heat, strong oxidants.
Incompatibilities with Other Materials:
Strong acids - moisture.
Hazardous Decomposition Products:
Irritating and toxic fumes and gases, silicon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 60676-86-0: VV7328000 LD50/LC50:
Not available.
Carcinogenicity:
Silica, amorphous - fused - NTP: Known carcinogen (listed as Silica, crystalline (general f IARC: Group 1 carcinogen (listed as Silica, crystalline (general Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Other No information available.

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 60676-86-0: 0
Canada
CAS# 60676-86-0 is listed on Canada's DSL List.
CAS# 60676-86-0 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 60676-86-0 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A
SDS 1.0
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China Shanghai Minhang
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