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Safety Data Sheet (SDS)

SDS #: 712.5
Revision Date: July 6, 2016
SECTION 1 — CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Sodium Borohydride

Flinn Scientific, Inc. P.O. Box 219, Batavia, IL 60510 (800) 452-1261
Chemtrec Emergency Phone Number: (800) 424-10295
Signal Word
DANGER
SECTION 2 — HAZARDS IDENTIFICATION
Hazard class: Substances and mixtures which, in contact with water, emit flammable gases (Category 1). In contact with water releases flammable gases which may ignite spontaneously (H260). Handle under inert gas. Protect from moisture (P231+P232). Keep away from any possible contact with water, because of violent reaction and possible flash fire (P223).

Hazard class: Acute toxicity, oral (Category 3). Toxic if swallowed (H301). Do not eat, drink or smoke when using this product (P270).
Hazard class: Acute toxicity, dermal (Category 3). Toxic in contact with skin (H311).
Hazard class: Skin corrosion or irritation (Category 1). Causes severe skin burns and eye damage (H314).
Hazard class: Serious eye damage or irritation (Category 1). Causes serious eye damage (H318).
Hazard class: Acute toxicity, inhalation (Category 3). Toxic if inhaled (H331). Avoid breathing dust or fumes (P261).
Pictograms
SECTION 3 — COMPOSITION, INFORMATION ON INGREDIENTS
Component Name CAS Number Formula Formula Weight Concentration
Sodium borohydride

Synonyms: Sodium tetrahydroborate
16940-66-2 BH4Na 37.8326
SECTION 4 — FIRST AID MEASURES
Immediately call a POISON CENTER or physician (P310).
If inhaled: Remove victim to fresh air and keep at rest 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. Continue rinsing (P305+P351+P338). If on skin: Brush off loose particles from skin (P335). Remove immediately all contaminated clothing (P361). Rinse skin with water (P303+P361+P353). Wash contaminated clothing before reuse (P363). If swallowed: Rinse mouth. Immediately call a POISON CENTER or physician (P301+P310+P330).
SECTION 5 — FIRE FIGHTING MEASURES
Nonflammable, noncombustible solid.
Flammable limits: Lower: 3.02%
When heated to decomposition, may emit toxic fumes.
In case of fire: Use a tri-class dry chemical fire extinguisher. Do not use water, carbon dioxide, wet chemical or halocarbon fire extinguishers.
NFPA Code
H-3
F-4
R-2
No water
SECTION 6 — ACCIDENTAL RELEASE MEASURES
Do not allow solid to become airborne. Reacts with violently with water. Wipe up dust with a DRY paper towel to avoid generating dust. Place in a sealed bag or container and dispose. 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.
Store in a cool, dry place. Keep container tightly closed (P233). Use only in a hood or in a well ventilated area (P271).
NO WATER!
SECTION 8 — EXPOSURE CONTROLS, PERSONAL PROTECTION
Wear protective gloves, protective clothing, and eye protection (P280). Wash thoroughly after handling (P264). Use only in a hood or in a well ventilated area (P271).
SECTION 9 — PHYSICAL AND CHEMICAL PROPERTIES
White, granular solid. Odorless.
Reacts violently with water.
Melting point: 400 °C (decomposes)
Specific gravity: 1.074
SECTION 10 — STABILITY AND REACTIVITY
Avoid water, moisture, heat, and ignition sources. Reacts with water, active metals, oxidizing agents, acids, amines, and alcohols.
Shelf life: Poor.
SECTION 11 — TOXICOLOGICAL INFORMATION
Acute effects: Eye, skin, mucous membrane, upper respiratory and gastrointestinal system corrosion and irritation. Readily absorbed through the skin. Damage may occur without sensation or pain.
Chronic effects: N.A.
Target organs: All body tissues on contact.
ORL-RAT LD50: 162 mg/kg
IHL-RAT LC50: 36 mg/m3
SKN-RBT LD50: 230 mg/kg
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 #26c is one option.
SECTION 14 — TRANSPORT INFORMATION
Shipping name: Sodium borohydride. Hazard class: 4.3. UN number: UN1426. Packing Group: I
SECTION 15 — REGULATORY INFORMATION
TSCA, EINECS listed.
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.