FLINN SCIENTIFIC INC. 

"Your Safer Source for Science Supplies" 

MSDS #: 346.00 
Revision Date: November 25, 2002

Material Safety Data Sheet (MSDS) 
Section 1 — Chemical Product and Company Identification 

Ferrous Ammonium Sulfate Solution 

Flinn Scientific, Inc. P.O. Box 219 Batavia, IL 60510 (800) 452-1261 
CHEMTREC Emergency Phone Number: (800) 424-9300 

Section 2 — Composition, Information on Ingredients 

Ferrous Ammonium Sulfate (7783-85-9) 4%, Sulfuric Acid (7664-93-9) 2%, and Water (7732-18-5) 94%. 
CAS#: None Established 

Section 3 — Hazards Identification 

Light green liquid. Odorless. 
FLINN AT-A-GLANCE 

Corrosive, body tissue irritant. Avoid all body contact. 
Health-1 
Flammability-0 
Reactivity-0 
Exposure-2 
Storage-0 

0 is low hazard, 3 is high hazard 

Section 4 — First Aid Measures 

Call a physician, seek medical attention for further treatment, observation and support after first aid.
Inhalation: Remove to fresh air at once. If breathing has stopped give artificial respiration immediately.
Eye: Immediately flush with fresh water for 15 minutes.
External: Wash continuously with fresh water for 15 minutes.
Internal: Give large quantities of water. Call a physician or poison control at once.


Section 5 — Fire Fighting Measures 

Non-flammable, non-combustible liquid. 
NFPA CODE 
None Established 

Section 6 — Accidental Release Measures 

Restrict unprotected personnel from area and ventilate area. Contain spill with sand or absorbent material; 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 #2. Store with acetates, halides, sulfates, sulfites, thiosulfates and 
phosphates. 

Section 8 — Exposure Controls , Personal Protection 

Avoid contact with eyes, skin and clothing. Wear chemical splash goggles, chemical-resistant gloves and chemical-resistant apron. 

© 2002 Flinn Scientific, Inc. All Rights Reserved. 
PAGE 1 OF 2 


FLINN SCIENTIFIC INC. 
Ferrous Ammonium Sulfate Solution 
"Your Safer Source for Science Supplies" 

MSDS #: 346.00 
Material Safety Data Sheet (MSDS) Revision Date: November 25, 2002 


Section 9 — Physical and Chemical Properties 

Light green liquid. Odorless. 

Section 10 — Stability and Reactivity 

Shelf life: Poor; protect from light. 

Section 11 — Toxicological Information 

Acute effects: Corrosive, toxic ORL-RAT LD50: N.A. 
Chronic effects: N.A. IHL-RAT LC50: N.A. 
Target organs: N.A. SKN-RBT LD50: N.A. 

N.A. = Not available, not all health aspects of this substance have been fully investigated. 
Section 12 — Ecological Information 

Data not yet available. 

Section 13 — Disposal Considerations 

Please consult with state and local regulations.
Flinn Suggested Disposal Method #26b is one option.


Section 14 — Transport Information 

Shipping Name: Not regulated 
Hazard Class: N/A 
UN Number: N/A 

N/A = Not applicable 

Section 15 — Regulatory Information 

Not listed. 

Section 16 — Other Information 

Consult your copy of the Flinn Scientific Catalog/Reference Manual for additional information about laboratory chemicals. 
This Material Safety Data Sheet (MSDS) 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. Flinn Scientific Inc. assumes no legal 
responsibility for use or reliance upon this data. 

FLINN SCIENTIFIC INC. 

"Your Safer Source for Science Supplies" 

Improve Safety--Use Flinn Chemicals


flinn@flinnsci.com www.flinnsci.com 

P.O. Box 219 Batavia IL 60510 
(800) 452-1261 Fax (866) 452-1436 
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© 2002 Flinn Scientific, Inc. All Rights Reserved.