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Potassium Chromate in Sulfuric Acid Solution Safety Data Sheet (SDS)

SDS #: 624.05
Revision Date: November 4, 2014
SECTION 1 — CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Potassium Chromate in Sulfuric Acid Solution

Flinn Scientific, Inc. P.O. Box 219, Batavia, IL 60510 (800) 452-1261
Chemtrec Emergency Phone Number: (800) 424-10150
Signal Word
DANGER
SECTION 2 — HAZARDS IDENTIFICATION
Hazard class: Skin and serious eye damage, corrosion or irritation (Category 2, 2A). Causes skin and serious eye irritation (H315+H319).

Hazard class: Germ cell mutagenicity (Category 1A). 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).






Industrial exposure to sulfuric acid vapors and mists is listed as a known human carcinogen by IARC (IARC-1).

Pictograms
SECTION 3 — COMPOSITION, INFORMATION ON INGREDIENTS
Component Name CAS Number Formula Formula Weight Concentration
Potassium chromate
Sulfuric Acid
Water

7789-00-6
7664-93-9
7732-18-5
K2CrO4
H2SO4
H2O
194.21
98.08
18.00
1.9%
2.7%
>95%
SECTION 4 — FIRST AID MEASURES
If exposed or concerned: Get medical advice or attention (P308+P313).
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 so. Continue rinsing (P305+P351+P338). If eye irritation persists eyes: Get medical advice or attention (P337+P313).
If on skin: Wash with plenty of water (P302+P352). If skin irritation occurs: Get medical advice or attention (P332+P313).
If swallowed: Rinse mouth. Immediately call a POISON CENTER or physician (P301+P310+P330).
SECTION 5 — FIRE FIGHTING MEASURES
Nonflammable, noncombustible solution.
In case of fire: Use a tri-class dry chemical fire extinguisher.
NFPA Code
None Established
SECTION 6 — ACCIDENTAL RELEASE MEASURES
Restrict unprotected personnel from area. Ventilate area. Spilled sulfuric acid is very slippery. Contain spill with sand or other inert absorbent material, neutralize with sodium bicarbonate or calcium hydroxide and deposit in sealed bag or container. See sections 8 and 13 for further information.
SECTION 7 — HANDLING AND STORAGE
Flinn Suggested Chemical Storage Pattern: Inorganic #9. Store with acids, except nitric acid.
Store in a dedicated acid cabinet and away from any source of water; if an acid cabinet is not available, store in Flinn Saf-Cube™.
SECTION 8 — EXPOSURE CONTROLS, PERSONAL PROTECTION
Wear protective gloves, protective clothing, and eye protection (P280). Wash hands thoroughly after handling (P264). Contaminated work clothing should not be allowed out of the workplace (P272)
SECTION 9 — PHYSICAL AND CHEMICAL PROPERTIES
Light yellow liquid.
pH: <1>
SECTION 10 — STABILITY AND REACTIVITY
Avoid contact with strong bases, organic materials, finely powdered metals, peroxides, carbonates, chlorates, nitrates, and reducing agents.
Shelf life: Good, if stored properly.
SECTION 11 — TOXICOLOGICAL INFORMATION
Acute effects: Skin and eye irritant.
Chronic effects: Known carcinogen, mutagen (as potassium chromate). Dental erosion (as sulfuric acid).
Target organs: Lungs, kidneys, eyes and skin.
ORL-RAT LD50: 2140 mg/kg as sulfuric acid
ORL-MUS LD50: 9473 mg/kg as potassium chromate @ 1.9%
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 #24b is one option.
SECTION 14 — TRANSPORT INFORMATION
Shipping Name: Sulfuric Acid Solution. Hazard Class: 8, corrosive. UN number: UN2796.
SECTION 15 — REGULATORY INFORMATION
Not 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.