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:C1954 
Health:
Flammability
Reactivity
Hazard Rating:
LeastSlightModerateHighExtreme
01234
NA = Not Applicable NE = Not Established
Product Name:Karl Fischer Reagent  
Trade/Chemical Synonyms 
Formula:N/A
RTECS:None 
C.A.SSee Below
Section 2 Component Mixture
Sara 313ComponentCAS Number%DimExposure Limits:
Iodine  CAS# 7553-56-2 14.55% W/V OSHA PEL (C) 0.1 ppm (1 mg/mƒ 
2-Methoxyethanol, 99% (Methyl Cellusolve®) CAS# 109-86-4 52.25% V/V 25 ppm (80mg/mƒ) OSHA TWA (SKIN) 
Pyridine  CAS# 110-86-1 25.4% V/V OSHA TWA 5 ppm (15 mg/mƒ) 
Sulfur Dioxide Gas  CAS# 7446-09-5 7.8% W/V OSHA TWA 2 ppm, STEL 5 ppm 
Section 3 Hazard Identification (Also see section 11)
Harmful if swallowed. 
Section 4 First Aid Measures
Harmful if swallowed.

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: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Induce vomiting by giving one teaspoon of Syrup of Ipecac.
Section 5 Fire Fighting Measures
Fire Extinguisher Type:Water spray, dry chemical, carbon dioxide, alcohol resistantfoam
Fire/Explosion Hazards:Fire possible at elevated temp. Dust in sufficient quantities can be an explosion hazard.
Fire Fighting Procedure:Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and clothing.
Section 6 Accidental Release Measures
Wear protective clothing.Absorb spill with inert material, then place in a chemical waste container. Dispose of in a manner consistent with federal, local law.
Section 7 Handling and Storage
Wash thoroughly after handling. Store in a cool dry well ventilated area. Keep away from heat and flame. Do not get in eyes, on skin, or on clothing. 
Section 8 Exposure Controls & Personal Protection
Respiratory Protection:NIOSH/MSHA-approved respirator
Ventilation: Mechanical: Hand Protection:Solvent resistant gloves as neoprene or nitrile
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 Gravity0.93
Boiling Point:Information not available Percent Volatile by Volume:>99
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: Dark brown liquid with disagreeable odor Lower Flamm. Limit in Air: Not applicable
Flash Point: Information not available Upper Flamm. Limit in Air: Not applicable
Section 10 Stability and Reactivity Information
Stability: StableConditions to Avoid: High temperatures, ignition sources, incompatible materials
Materials to Avoid:
water, organic materials, strong acids, bases, metals, halognes
Hazardous Decomposition Products:
Oxides of carbon and nitrogen, hydrogen iodide
Hazardous Polymerization:Not known to occur
Condition to Avoid:None known
Section 11 Additional Information
Ingredients in this solution have been shown to cause birth defects. Target organs: Kidneys, liver, CNS. Eye contact may cause eye burns, ingestion may cause intestinal tract burns, kidney and liver damage. May cause CNS depression, headache, dizziness, vomiting and drowsiness. Chronic exposure to chemicals in this solution have been associated with various neurotoxic effects, including permanent brain and nervous system damage. Prolonged or repeated skin contact may cause sensitization, dermatitis and liver or kidney damage. Inhalation may cause irritation of the respiratory tract with burning in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema. 
DOT Classification: Flammable liquid n.o.s. (Ethylene glycol monomethyl ether, Pyridine), 3, UN1993, 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.