logo

Safety Data Sheet (SDS)

SDS #: 627
Revision Date: March 21, 2014
SECTION 1 — CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Potassium Dichromate

Flinn Scientific, Inc. P.O. Box 219, Batavia, IL 60510 (800) 452-1261
Chemtrec Emergency Phone Number: (800) 424-10152
Signal Word
DANGER
SECTION 2 — HAZARDS IDENTIFICATION
Hazard class: Oxidizing gases (Category 1). May cause or intensify fire; oxidizer (H270). Do not spray on an open flame or other ignition source (P211).
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 4). Harmful in contact with skin (H312).
Hazard class: Skin corrosion or irritation (Category 1). Causes severe skin burns and eye damage (H314). Do not breathe dust or fumes (P260).
Hazard class: Acute toxicity, inhalation (Category 1). Fatal if inhaled (H330).
Hazard class: Germ cell mutagenicity (Category 1). May cause genetic defects (H340). 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).
Hazard class: Carcinogenicity (Category 1). May cause cancer (H350).
Hazard class: Reproductive toxicity (Category 1). May damage fertility or the unborn child (H360).
Hazard class: Specific target organ toxicity, repeated exposure (Category 1). Causes damage to organs (H372).

Pictograms
SECTION 3 — COMPOSITION, INFORMATION ON INGREDIENTS
Component Name CAS Number Formula Formula Weight Concentration
Potassium dichromate

Synonyms: Potassium bichromate
7778-50-9 K2Cr2O7 294.22
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 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
Nonflammable solid.
Strong oxidizer. Dangerous fire risk when in contact with organic materials.
When heated to decomposition, may emit toxic fumes.
In case of fire: Stop leak if safe to do so (P370+P376). Use a tri-class dry chemical fire extinguisher.
NFPA Code
None established
SECTION 6 — ACCIDENTAL RELEASE MEASURES
Restrict unprotected personnel from area. 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 #8. Store with borates, chromates, manganates and permanganates.
Store in a cool dry place. Store in a locked poisons cabinet.
Keep and store away from clothing and combustible materials (P220). Use only in a hood or in a well-ventilated area.
SECTION 8 — EXPOSURE CONTROLS, PERSONAL PROTECTION
Wear protective gloves, protective clothing, and eye protection. Wash hands thoroughly after handling (P264). Use only in a hood or in a well-ventilated area. Wear respiratory protection (P284).
SECTION 9 — PHYSICAL AND CHEMICAL PROPERTIES
Orange crystalline powder. Odorless.
Soluble: Water. Insoluble in alcohol.

Melting point: 396 °C
Specific gravity: 2.676
SECTION 10 — STABILITY AND REACTIVITY
Avoid contact with reducers and organic materials.
Shelf life: Indefinite, if stored properly.
SECTION 11 — TOXICOLOGICAL INFORMATION
Acute effects: Poison, corrosive, sensitizer
Chronic effects: Known carcinogen, mutagen
Target organs: Lungs, kidneys
ORL-MUS LD50: 190 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 #12a is one option.
SECTION 14 — TRANSPORT INFORMATION
Shipping name: Oxidizing solid, N.O.S.; Hazard class: 5.1, Oxidizer; UN number: UN1479
SECTION 15 — REGULATORY INFORMATION
TSCA-listed, EINECS-listed (231-906-6), RCRA code D001, D007.
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.