SECTION 1 — CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Sodium Arsenite Meta

Flinn Scientific, Inc. P.O. Box 219, Batavia, IL 60510 (800) 452-1261
Chemtrec Emergency Phone Number: (800) 424-10284

Signal Word
DANGER

Hazard class: Acute toxicity, oral and dermal (Category 1). Fatal if swallowed or in contact with skin (H300+H310). Do not eat, drink or smoke when using this product (P270). Do not get in eyes, on skin, or on clothing (P262).

Hazard class: Carcinogenicity (Category 1). May cause cancer (H350). Obtain special instructions before use (P201). Do not handle until all safety precautions have been read and understood (P202). Use personal protective equipment as required (P281). Known human carcinogen (IARC-1).

Pictograms

SECTION 3 — COMPOSITION, INFORMATION ON INGREDIENTS

Component Name	CAS Number	Formula	Formula Weight	Concentration
Sodium (meta)arsenite Synonyms: Arsenous acid, sodium salt; Sodium dioxoarsenate	7784-46-5	NaAsO₂	129.9

SECTION 4 — FIRST AID MEASURES

If exposed or concerned: Get medical advice or attention IMMEDIATELY (P308+P313).
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 on skin: Gently wash with plenty of water (P302+P350), Immediately call a POISON CENTER or physician (P310), Remove immediately all contaminated clothing (P361), Wash contaminated clothing before reuse (P363).
If swallowed: Immediately call a POISON CENTER or physician (P301+P310). Rinse mouth (P330).

SECTION 5 — FIRE FIGHTING MEASURES

Nonflammable solid.
When heated to decomposition, may emit toxic fumes.
In case of fire: Use a tri-class dry chemical fire extinguisher.

NFPA Code

None established

SECTION 6 — ACCIDENTAL RELEASE MEASURES

Ventilate area and remove all water sources. 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 #7. Store with arsenates, cyanides and cyanates.
Somewhat hygroscopic. Absorbs carbon dioxide from air. Store in Flinn Chem-Saf™ bag, and lock up in a poison cabinet.

SECTION 8 — EXPOSURE CONTROLS, PERSONAL PROTECTION

Wear protective gloves, protective clothing, and eye protection (P280). Wash hands thoroughly after handling.

SECTION 9 — PHYSICAL AND CHEMICAL PROPERTIES

Grayish-white powder. Odorless.
Soluble: Water. Slightly in alcohol.

Specific gravity: 1.87

SECTION 10 — STABILITY AND REACTIVITY

Avoid contact with strong oxidizers, strong acids. Very poisonous. Absorbs carbon dioxide from the air.
Shelf life: Poor, hygroscopic and absorbs CO₂. See Section 7 for further information.

SECTION 11 — TOXICOLOGICAL INFORMATION

Acute effects: Highly toxic, irritant
Chronic effects: Known carcinogen
Target organs: Skin, lungs

ORL-RAT LD₅₀: 41 mg/kg
IHL-RAT LC₅₀: N.A.
SKN-RBT LD₅₀: 150 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 #27d is one option.

SECTION 14 — TRANSPORT INFORMATION

Shipping name: Sodium Arsenite, solid; Hazard class: 6.1, Poison; UN number: UN2027

SECTION 15 — REGULATORY INFORMATION

TSCA-listed, EINECS-listed (232-070-5), RCRA code D004.

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.