MATERIAL SAFETY DATA SHEET

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1 EMERGENCY PHONE: 102 Old Mill Road CHEMTREC Cartersville, GA DATE: 12/01/2000 (770) MATERIAL SAFETY DATA SHEET SECTION: 1 NAME: SECTION: 2 CHEMICAL IDENTIFICATION Mirrosol 3050D COMPOSITION /INFORMATION ON INGREDIENTS Silica, Amorphous CAS # % W/W SYNONYMS Silica, Colloidal Aqueous Suspension SECTION: 3 Emergency Overview Potential Health Effects Route of entry Target Organs Acute Effects Ingestion Skin Contact Eye Contact Inhalation Chronic Effects HAZARD IDENTIFICATION An opalescent to milky white, odorless liquid which is a mild skin and eye irritant Skin and eye contact, ingestion Skin and eyes expected Slightly irritating Slightly irritating Not a normal route of exposure Product contains amorphous silicon dioxide. No cases Of silicosis have been reported from amorphous silica. Medical conditions aggravated by exposure known

2 MSDS: Mirrosol 3050D Page: 2 SECTION: 4 Ingestion Skin Contact FIRST AID MEASURE Immediately rinse mouth with water. Finally drink water if Necessary seek medical attention. Immediately wash with plenty of soap and water. Remove all Contaminated clothing which should be laundered before Reuse. Eye Contact Immediately flush eyes thoroughly with water for at least 15 Minutes. Obtain medical attention if irritation persists. Inhalation Remove patient to fresh air upon irritation or breathing Difficulty. Note to physicians SECTION: 5 Extinguishing Media FIRE FIGHTING MEASURES Does not present a fire hazard Unsuitable Extinguishing Media Special Protective Equipment Special Exposure Hazards Flash Point Autoignition Upper/Lower flammability limits Hazardous combustion

3 PAGE: 3 Fire/Explosion hazards Sensitivity to mechanical/static Discharge SECTION: 6 Large Spillages Small Spillages Personal Protection SECTION: 7 Handling Storage ACCIDENTAL RELEASE MEASURES Contain spill to prevent spreading. Pump to salvage tank. Absorb on solid absorbent material. Shovel into containers. Prevent run-off to sewers, streams or bodies of water. As for large spillages Goggles, rubber/pvc gloves and full working clothes recommended HANDLING AND STORAGE Normal handling precautions applicable to industrial chemicals. To maintain quality; storage temperature 3 C. Unsuitable handling/storage Materials Do not store in light metal containers (Aluminum) SECTION: 8 EXPOSURE CONTROLS/ PERSONAL PROTECTION Respiratory Protection Skin Contact under normal conditions of use. However, dried slurry can give Rise to dusting. Rubber/PVC gloves and full working Clothes recommended. Contaminated Clothing should be laundered before re-use.

4 PRECISION COLLOID, LLC PAGE: 4 Eye/Face Contact Engineering Measures Occupational Exposure Limits Goggles and eyewash station Recommended. No specific measures required. Amorphous silica: OSHA exposure limit 5mg/m3 SiO2 respirable dust or mist, 10mg/m3 total. 8-hour time weighted average. SECTION: 9 PHYSICAL AND CHEMICAL PROPERTIES Appearance Form: Liquid Color: White Odor: Safety Related Data Melting Point Freezing point circa 0 C. Boiling Point Circa 100 C. Viscosity <10mPa.s (25 C) Coefficient of No data Water/oil ph 2-4 (25 C) Distribution No data Vapor Pressure Odor/threshold No data Evaporation Rate No data Density Circa 1190 Kg/ m3 (25 C) Specific gravity Solubility SECTION: 10 Disperses in water but is Negligibly soluble STABILITY AND REACTIVITY Hazardous Decomposition Hazardous Reactions Conditions to Avoid Frost may lead to container rupture and leakage

5 PAGE: 5 Incompatibility SECTION: 11 Acute Oral Toxicity Acute Dermal Toxicity Inhalation Effects Irritation To Skin Irritation To Eyes Sensitization Data Reproductive Toxicity/ Teratogenicity known TOXICOLOGICAL INFORMATION LD50 (oral, rat)= 3160 mg/kg (as 100% Silicon Dioxide) Rat TCLo = 50 mg/m3/6hr/2y-1:car* Not a sensitizer. (Magnusson-Kligman test).* This product is considered to be relatively harmless to man. However; dust from the Dry product/spray may irritate the respiratory Tract and cause symptoms of bronchitis Carcinogenicity/ Mutagenicity & long term effects No information SECTION: 12 Biodegradability Aquatic Toxicity Other Information ECOLOGICAL INFORMATION for inorganic substances. LC50 (Brachydanio reno) 96hr > 5000 mg/l. EC 50 (Ceriodaphnia dubia) 48 hr = 7600 mg/l Algae: EC50 (Selenastrum capricormutum) = 440 Mg/l*

6 PAGE: 6 SECTION: 13 Product Disposal RCRA SECTION: 14 UN/ID Number DOT/TDG IMDG (SEA) Proper Shipping Name Air (ICAO/IATA-DGR) SECTION: 15 Canada DSL U.S. TSCA WHMIS classification OSHA Regulated HMIS Rating NFPA Rating DISPOSAL CONSIDERATIONS In accordance with municipal provincial, state and Federal regulations. Not a listed hazard TRANSPORT INFORMATION Not regulated REGULATORY INFORMATION In compliance In compliance Not controlled Not controlled Health=1 Flammability=0 Reactivity=0 Equipment=B Health=1 Flammability=0 Instability=0 Special Hazard= SARA 302 Not subject to SARA Section 302 SARA 311/312 Acute:No Chronic:No Fire:No Reactivity=No Pressure=No

7 PAGE: 7 SARA 313 Not subject to SARA Section 313 California Proposition 65 Not subject to California Proposition 65 CERCLA reportable quantities Contains sodium hydroxide (<1%) RQ=1000 lbs SECTION: 16 OTHER INFORMATION Date of Issue: 01-February-2001 Product Name: Mirrosol 3050D Issued by: Andrew J. Paszkowski - Precision Colloids, LLC