SECTION 3 — COMPOSITION, INFORMATION ON INGREDIENTS
Component Name
CAS Number
Formula
Formula Weight
Concentration
Silicon lump
7440-21-3
Si
28.09
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. If eye irritation persists eyes: Get medical advice or attention. If on skin: Rinse cautiously with water for several minutes. 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.
NFPA Code
H: 1 F: 2 R: 0
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.
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.
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).
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