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Safety Data Sheet (SDS)

SDS #: 734
Revision Date: March 25, 2014
SECTION 1 — CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Sodium Hydroxide

Flinn Scientific, Inc. P.O. Box 219, Batavia, IL 60510 (800) 452-1261
Chemtrec Emergency Phone Number: (800) 424-10325
Signal Word
DANGER
SECTION 2 — HAZARDS IDENTIFICATION
Hazard class: Skin corrosion or irritation (Category 1). Causes severe skin burns and eye damage (H314). Do not breathe mist, vapors or spray (P260).

Hazard class: Corrosive to metals (Category 1). May be corrosive to metals (H290).
Pictograms
SECTION 3 — COMPOSITION, INFORMATION ON INGREDIENTS
Component Name CAS Number Formula Formula Weight Concentration
Sodium hydroxide

1310-73-2 NaOH
39.997
SECTION 4 — FIRST AID MEASURES
Immediately call a POISON CENTER or physician (P310).
If inhaled: Remove victim to fresh air in a position comfortable for breathing (P304+P340).
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 on skin or hair: Immediately remove all contaminated clothing. Rinse skin with water (P303+P361+P353). Wash contaminated clothing before reuse (P363).
If swallowed: Rinse mouth. Do NOT induce vomiting (P301+P330+P331).
SECTION 5 — FIRE FIGHTING MEASURES
Noncombustible solid.
Hot molten sodium hydroxide can react violently with water. Contact with aluminum, tin, and zinc liberates hydrogen gas. When heated to decomposition, may emit toxic fumes.
In case of fire: Use a tri-class dry chemical fire extinguisher.
NFPA Code
H-3
F-0
R-1
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. Absorb spills to prevent material damage (P390). See Sections 8 and 13 for further information.
SECTION 7 — HANDLING AND STORAGE
Flinn Suggested Chemical Storage Pattern: Inorganic #4. Store with hydroxides, oxides, silicates and carbonates.
Absorbs CO2 and water from air. Keep container tightly closed. Keep only in original container (P234).
SECTION 8 — EXPOSURE CONTROLS, PERSONAL PROTECTION
Wear protective gloves, protective clothing, and eye protection (P280). Wash hands thoroughly after handling (P264).
Exposure guidelines: PEL 2 mg/m3 (OSHA); Ceiling 2 mg/m3 (ACGIH); IDLH 10 mg/m3
SECTION 9 — PHYSICAL AND CHEMICAL PROPERTIES
White pellets or flakes. Absorbs CO2 and water from air.
Odorless.
Soluble: Water and alcohol
Boiling point: 1388 °C
Melting point: 323 °C
pH: basic
Specific gravity: 2.13
SECTION 10 — STABILITY AND REACTIVITY
Contact with aluminum, tin, and zinc liberates, hydrogen gas. Avoid contact with strong oxidizers, strong acids, organic material, chlorinated solvents.
Shelf life: Good, if kept tightly closed. See Section 7 for further information.
SECTION 11 — TOXICOLOGICAL INFORMATION
Acute effects: Eye and skin burns. Mucous membrane irritant. pneumonitis.
Chronic effects: N.A.
Target organs: Eyes, skin, respiratory system.
ORL-RBT LDL0: 500 mg/kg
IHL-RAT LC50: N.A.
SKN-RBT LD50: 50 mg/24H
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 #10 is one option.
SECTION 14 — TRANSPORT INFORMATION
Shipping name: Sodium hydroxide, solid. Hazard class: 8, Corrosive. UN number: UN1823.
SECTION 15 — REGULATORY INFORMATION
TSCA-listed, EINECS-listed (215-185-5), RCRA code D002, D003.
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.