MATERIAL SAFETY DATA SHEET
SECTION 1: CHEMICAL PRODUCT IDENTIFICATION
Chemical Name/ Synonyms : Silica INCI Name : Silica
SECTION 2: COMPOSTION / INFORMATION ON INGREDIENTS
Chemical Name CAS # EINECS #
Silica 7631-86-9 231-545-4
SECTION 3: HAZARD IDENTIFICATION
No particular danger
SECTION 4: FIRST AID MEASURES
| Effects and Symptoms: Effects of Overexposure Medical Conditions Aggravated by Exposure Primary Route(s) of Entry | : : : | May cause mechanical irritation to eyes. Persons with respiratory conditions may be at increased risk. Skin and eye contact. |
|---|---|---|
| Emergency First Aid: |
Eye Contact : Flush eyes with water for at least 15 min. See physician if irritation persists.Skin Contact : Flush skin with water.Inhalation : Remove to fresh air. If breathing is difficult give oxygen. See physician.Ingestion : None needed for small amounts. For large amounts, if conscious, give water
and call physician. Do not induce vomiting.
SECTION 5: FIRE FIGHTING MEASURES
Flash Point (Closed Cup) : N/A
Flammable Limits LEL/UEL % : N/A
Extinguishing Media : N/A
Special Fire Fighting Procedures : N/A
Unusual Fire And Explosion Hazards : Prevent the accumulation of air borne dust/dust cloud. May become highly charged with electricity.
SECTION 6: ACCIDENTAL RELEASE MEASURES
Personal Precautions : Eye contact and excessive skin contact.
Environmental Precautions: : Prevent material from contaminating soil or entering sewerage and drainage systems.
Spill response : Use appropriate NIOHS/MSHA approved respirator. Wear chemical gloves, goggles, and lab coat. Carefully contain spilled material. Deposit spilled material in appropriate waste container.
SECTION 7: HANDLING AND STORAGE
Handling : Use with adequate ventilation. Avoid contact with eyes. Wash thoroughly after handling and before mealtimes. Follow all MSDS and label precautions even after container is emptied since it may contain residual material.
Storage : Store containers closed in ambient and dry location.
SECTION 8: EXPOSURE CONTROL / PERSONAL PROTECTION
Exposure Levels: OSHA ACGIH TWA PEL TWA TLV Silica 6 mg/m3 10mg/m3
Personal Protection:
Eye Protection : Safety glasses with side shields or gogglesSkin Protection : Rubber gloves, wash at meals and end of shiftsRespiratory Protection : Use NIOSH/MSHA approved air purifying respirator as needed to control exposure.Ventilation : Provide adequate general mechanical exhaust.
SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES
| Boiling Point (°C) | : | >2000 | Percent Volatile By Vol. (%) | : | N/A |
| Freezing Point (°C) | : | N/A | Vapor Density (Air=1) | : | N/A |
| Melting Point (°C) | : | >1700 | Evaporation Rate (Buac=1) | : | N/A |
| Vapor Pressure (mm hg) | : | N/A | Solubility In Water | : | 120ppm @ 25°C |
| Bulk Density (Kg/M3) | : | N/A | Appearance & Odor | : | Spherical white powder, |
| Specific Gravity (H2O=1) : | 2.0 - 2.8 | odorless | |||
| SECTION 10: STABILITY AND REACTIVITY | |||||
Stable : Yes Hazardous Polymerization : Will not occur Conditions To Avoid : Open flames and sparks, extreme heat, oxidizing materials Incompatibility : Oxidizing materials and strong caustic materials can cause a reaction. Hazardous Decomposition Products : Incomplete combustion can form CO, CO2, and dense smoke
SECTION 11: TOXICOLOGICAL INFORMATION
Amorphous Silica Skin Irritation : Primary Irritation Index: 0.0. Non-irritant. Primary Eye Irritation : No-irritant. Avg. Draize Scores: 0.0 after 48 hours. Acute Oral Toxicity : Non-toxic, LD50 > 5 g/kg (rat) Sensitization : No data
SECTION 12: ECOLOGICAL INFORMATION
No Data
SECTION 13: DISPOSAL CONSIDERATIONS
Method of Disposal : Dispose of in accordance with all applicable federal, state, and local regulations. Material may be sent to an approved landfill or licensed treatment, storage, and disposal facility.
SECTION 14: TRANSPORT INFORMATION
DOT Regulation : Not regulated
SECTION 15: REGULATORY INFORMATION
EPA RCRA : No information was found.USA TSCA : February 1996 Inventory Tape, exempt from Update Rule.
SECTION 16: OTHER INFORMATION
HMIS Ratings : Health - 1 Flammability –0 Reactivity - 0 Ratings Key : 4= Highest hazard, 0= Lowest hazard,
*= Chronic health hazard, N= No rating for powders
Date Prepared : 06/02/2001
Note:
The statements made here are intended to describe the product with regard to necessary safety precautions. They do not guarantee special characteristics. This information is furnished without warranty, expressed or implied, except that it is accurate to the best of our current knowledge.
