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 Silicon Powder Safety Data Sheet (SDS)SDS #: 687
Revision Date: March 25, 2014
SECTION 1 — CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
Silicon PowderFlinn Scientific, Inc. P.O. Box 219, Batavia, IL 60510 (800) 452-1261Chemtrec Emergency Phone Number: (800) 424-10247
Signal Word
DANGER SECTION 2 — HAZARDS IDENTIFICATION
Hazard class: Flammable solids (Category 2). Flammable solid (H228). Keep away from heat, sparks, open flames, and hot surfaces. No smoking (P210).
Hazard class: Acute toxicity, oral (Category 5). May be harmful if swallowed (H303). Hazard class: Serious eye damage or irritation (Category 2B). Causes eye irritation (H320). For silicon lump see SDS 687.10 Pictograms
SECTION 3 — COMPOSITION, INFORMATION ON INGREDIENTS
SECTION 4 — FIRST AID MEASURES
Call a POISON CENTER or physician if you feel unwell (P312).
If inhaled: Remove victim to fresh air and keep at rest in a position comfortable for breathing. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do so. Continue rinsing (P305+P351+P338). If eye irritation persists eyes: Get medical advice or attention (P337+P313). If on skin: Rinse cautiously with water for several minutes (P351). If swallowed: Rinse mouth. Call a POISON CENTER or physician if you feel unwell. SECTION 5 — FIRE FIGHTING MEASURES
Combustible solid. Flammable in powder form.
When heated to decomposition, may emit toxic fumes. In case of fire: Use class D fire extinguisher or dry sand for extinction (P370+P378).
NFPA Code
None established
SECTION 6 — ACCIDENTAL RELEASE MEASURES
Sweep up, place in sealed bag or container and dispose. Ventilate area and wash spill site after material pickup is complete. See Sections 8 and 13 for further information.
SECTION 7 — HANDLING AND STORAGE
Flinn Suggested Chemical Storage Pattern: Inorganic #1. Store with metals and metal hydrides.
Ground or bond container and receiving equipment (P240). Use explosion-proof electrical and ventilating equipment (P241). SECTION 8 — EXPOSURE CONTROLS, PERSONAL PROTECTION
Wear protective gloves, protective clothing, and eye protection (P280). Wash hands thoroughly after handling (P264).
Exposure guidelines: (as total dust) PEL 15 mg/m3 (OSHA) SECTION 9 — PHYSICAL AND CHEMICAL PROPERTIES
Gray powder. Odorless.
Soluble: Soluble in a mixture of nitric and hydrofluoric acid. Insoluble in water. Boiling point: 3265 °C
Melting point: 1414 °C Specific gravity: 2.3296 SECTION 10 — STABILITY AND REACTIVITY
Avoid contact with strong oxidizing agents.
Shelf life: Indefinite, if stored properly. SECTION 11 — TOXICOLOGICAL INFORMATION
Acute effects: Irritant
Chronic effects: N.A. Target organs: N.A. ORL-RAT LD50: 3160 mg/kg
IHL-RAT LC50: N.A. SKN-RBT LD50: N.A. SECTION 12 — ECOLOGICAL INFORMATION
Data not yet available.
SECTION 13 — DISPOSAL CONSIDERATIONS
Please review all federal, state and local regulations that may apply before proceeding.
Flinn Suggested Disposal Method #26a is one option. SECTION 14 — TRANSPORT INFORMATION
Shipping name: Silicon Powder, Amorphous. Hazard class: 4.1, Flammable solid. UN number: UN1346
SECTION 15 — REGULATORY INFORMATION
TSCA-listed, EINECS-listed (231-130-8), RCRA code D001.
SECTION 16 — OTHER INFORMATION
This Safety Data Sheet (SDS) is for guidance and is based upon information and tests believed to be reliable. Flinn Scientific, Inc. makes no guarantee of the accuracy or
completeness of the data and shall not be liable for any damages relating thereto. The data is offered solely for your consideration, investigation, and verification. The
data should not be confused with local, state, federal or insurance mandates, regulations, or requirements and CONSTITUTE NO WARRANTY. Any use of this data and
information must be determined by the science instructor to be in accordance with applicable local, state or federal laws and regulations. The conditions or methods of
handling, storage, use and disposal of the product(s) described are beyond the control of Flinn Scientific, Inc. and may be beyond our knowledge. FOR THIS AND OTHER
REASONS, WE DO NOT ASSUME RESPONSIBILITY AND EXPRESSLY DISCLAIM LIABILITY FOR LOSS, DAMAGE OR EXPENSE ARISING OUT OF OR IN ANY WAY CONNECTED WITH THE HANDLING, STORAGE, USE OR DISPOSAL OF THIS PRODUCT(S).
Consult your copy of the Flinn Science Catalog/Reference Manual for additional information about laboratory chemicals.
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