Material Safety Data Sheet
Science Stuff, Inc.
1104 Newport Ave
Austin, TX 78753
Phone (512) 837-6020
Chemtrec 800-424-9300
24 Hour Emergency Assistance
Section 1 Identification
Product Number:C1988 
Health: 
Flammability 
Reactivity 
Hazard Rating:
LeastSlightModerateHighExtreme
01234
NA = Not Applicable NE = Not Established
Product Name:Light's Solution see Redox Buffer (7810) 
Trade/Chemical Synonyms 
Formula:N/A
RTECS:None 
C.A.SSee Below
Section 2 Component Mixture
Sara 313ComponentCAS Number%DimExposure Limits:
Water, Deionized ASTM Type II CAS# 7732-18-5 Balance V/V None Established 
Ferric Ammonium Sulfate  CAS# 7783-83-7 4.822% W/V None established 
Ferrous Ammonium Sulfate  CAS# 7783-85-9 3.921% W/V None Established 
Sulfuric Acid  CAS# 7664-93-9 5.62% V/V OSHA TWA 1 mg/mƒ, ACGIH STEL 3 ppm 
Section 3 Hazard Identification (Also see section 11)
 
Section 4 First Aid Measures






Section 5 Fire Fighting Measures
Fire Extinguisher Type:Any means suitable for extinguishing surrounding fire
Fire/Explosion Hazards:None Known.
Fire Fighting Procedure:Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and clothing.
Section 6 Accidental Release Measures
Absorb spill with inert material, then place in a chemical waste container. Neutralize with a weak base.
Section 7 Handling and Storage
Wash thoroughly after handling. Remove contaminated clothes and wash before reuse. Use with adequate ventilation. 
Section 8 Exposure Controls & Personal Protection
Respiratory Protection:None required
Ventilation: Mechanical: Hand Protection:Wear appropriate gloves to prevent skin exposure
Local Exhaust: Eye Protection:Splash Goggles
Other Protective Equipment: Wear appropriate clothing to prevent skin exposure
Section 9 Physical and Chemical Properties
Melting Point:Information not availableSpecific Gravity~1
Boiling Point:Information not available Percent Volatile by Volume:~85%
Vapor Pressure:Information not available Evaporation Rate:Information not available
Vapor Density: Information not available Evaporation Standard:
Solubility in Water: Soluble Auto ignition Temperature: Not applicable
Appearance and Odor: Clear pale brown odorless liquid Lower Flamm. Limit in Air: Not applicable
Flash Point: not flammable Upper Flamm. Limit in Air: Not applicable
Section 10 Stability and Reactivity Information
Stability: StableConditions to Avoid: Avoid contact with incompatible materials, temperature extremes.
Materials to Avoid:
Oxidizing agents, metals, bases, amines
Hazardous Decomposition Products:
Not known to occur
Hazardous Polymerization:not known to occur
Condition to Avoid:None known
Section 11 Additional Information
Conditions aggravated/target organs: Persons with pre-existing skin, respiratory and eye disorders are more susceptible. Corrosive! Acute: Severe irritation and burns to skin, eyes, lungs, and GI tract. Chronic: Dermatitis, eye damage. Strong inorganic acid mists of sulfuric acid can cause cancer of the larynx. 
DOT Classification: 
DOT regulations may change from time to time. Please consult the most recent version of the relevant regulations.
Revision No:0Date Entered: 9/1/2006 Approved by: WPF

The information contained herein is believed to be accurate and is offered in good faith for the user's consideration and investigation. No warranty is expressed or implied regarding the completeness or accuracy of this information, whether originating from Science Stuff, Inc. or from an alternate source. Users of this material should satisfy themselves by independent investigation of current scientific and medical information that this material may be safely handled.