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:C1164 
Health:
Flammability
Reactivity
Hazard Rating:
LeastSlightModerateHighExtreme
01234
NA = Not Applicable NE = Not Established
Product Name:Alkaline-Iodide Soln APHA Winkler Method 
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 
Potassium Iodide  CAS# 7681-11-0 15% W/V TXDS: orl-hmn LDLo: 1862 mg/Kg 
Sodium Azide (Sodium Trinitride) CAS# 26628-22-8 1% W/V ACGIH (C) 0.11 ppm (0.29 mg/mƒ) 
Sodium Hydroxide  CAS# 1310-73-2 50% W/V OSHA PEL 2 mg/mƒ ACGIH 2mg/mƒ 
Section 3 Hazard Identification (Also see section 11)
May be harmful if swallowed. May cause irritation. Avoid breathing vapors, or dusts. Use with adequate ventilation. Avoid contact with eyes, skin, and clothes. Wash thoroughly after handling. 
Section 4 First Aid Measures
May be harmful if swallowed. May cause irritation. Avoid breathing vapors, or dusts. Use with adequate ventilation. Avoid contact with eyes, skin, and clothes. Wash thoroughly after handling.

FIRST AID: SKIN: Remove contaminated clothing. Wash exposed area with soap and water. if irritation persists, seek medical attention.

EYES: Wash eyes with plenty of water for at least 15 minutes, lifting lids occasionally. Seek Medical Aid. INHALATION: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen

INGESTION: Give several glasses of milk or water. Vomiting may occur spontaneously, but DO NOT INDUCE! Never give anything by mouth to an unconscious person.
Section 5 Fire Fighting Measures
Fire Extinguisher Type:Any means suitable for extinguishing surrounding fire
Fire/Explosion Hazards:Thermal decomposition produces highly toxic fumes.
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 carefully with a weak acid.
Section 7 Handling and Storage
Store in a cool, dry, well-ventilated place away from incompatible materials. Wash thoroughly after handling. 
Section 8 Exposure Controls & Personal Protection
Respiratory Protection:NIOSH/MSHA-approved respirator
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:~45%
Vapor Pressure:Information not available Evaporation Rate:Information not available
Vapor Density: Information not available Evaporation Standard: Not Applicable
Solubility in Water: Soluble Auto ignition Temperature: Information not available
Appearance and Odor: Colorless, odorless liquid Lower Flamm. Limit in Air: Information not available
Flash Point: Information not available Upper Flamm. Limit in Air: Information not available
Section 10 Stability and Reactivity Information
Stability: StableConditions to Avoid: Avoid contact with incompatible materials.
Materials to Avoid:
Acids, acid chlorides, metals, oxidizers, halogenated solvents
Hazardous Decomposition Products:
Nitrogen oxides, iodine compounds, metal azides
Hazardous Polymerization:Will Not Occur
Condition to Avoid:None known
Section 11 Additional Information
Corrosive! Toxic! Conditions aggravated: Persons with preexisting skin, eye or respiratory disorders may be more susceptible. Acute: Severe irritation or burns to skin, eyes, mucous membranes, respiratory and GI tracts. May be fatal by ingestion or inhalation. Chronic: Dermatitis, damage to eyes, central nervous system, genetic material. Target organs: Nerves, heart, brain. 
DOT Classification: Corrosive liquids, n.o.s. (Sodium Hydroxide), 8, UN1760, PG II
DOT regulations may change from time to time. Please consult the most recent version of the relevant regulations.
Revision No:0.1Date 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.