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:C2964 
Hazard Rating:
NA = Not Applicable NE = Not Established
Product Name:Water Hardness Indicator  Indicator Solution
Trade/Chemical Synonyms 
C.A.SSee Below
Section 2 Component Mixture
Sara 313ComponentCAS Number%DimExposure Limits:
Eriochrome Black T Reagent Grade CAS# 1787-61-7 0.5% W/V None established 
2-Methoxyethanol, 99% (Methyl Cellusolve«) CAS# 109-86-4 Balance v/v 25 ppm (80mg/mâ) OSHA TWA (SKIN) 
Section 3 Hazard Identification (Also see section 11)
Keep away from heat and ignition sources. Harmful if swallowed. Avoid breathing vapors. Use with adequate ventilation. Avoid contact with eyes, skin, and clothes. Wash thoroughly after handling. Keep container closed. 
Section 4 First Aid Measures
Keep away from heat and ignition sources. Harmful if swallowed. Avoid breathing vapors. Use with adequate ventilation. Avoid contact with eyes, skin, and clothes. Wash thoroughly after handling. Keep container closed.

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:Use flooding amounts of water. Avoid breathing toxic vapors
Fire/Explosion Hazards:Vapor may travel considerable distance to source of ignition and flash back.
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. Dispose of in a manner consistent with federal, local law.
Section 7 Handling and Storage
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:NIOSH Approved Gloves
Local Exhaust: Eye Protection:Splash Goggles
Other Protective Equipment: Wear appropriate clothing to prevent skin exposure
Section 9 Physical and Chemical Properties
Melting Point:-121░F (-49░C)Specific Gravity0.97
Boiling Point:255░F (124░C) Percent Volatile by Volume:>99
Vapor Pressure:6 mm Hg @ 20░ C Evaporation Rate:0.5
Vapor Density: 26 Evaporation Standard: Butylacetate =1
Solubility in Water: Miscible Auto ignition Temperature: Information not available
Appearance and Odor: Clear liquid with mild pleasant odor Lower Flamm. Limit in Air: 2.3%
Flash Point: 102F (39C) Upper Flamm. Limit in Air: 24.5%
Section 10 Stability and Reactivity Information
Stability: StableConditions to Avoid: May form peroxides on exposure to air
Materials to Avoid:
Caustics, Strong oxidizers, air
Hazardous Decomposition Products:
Toxic oxides of Carbon
Hazardous Polymerization:Not known to occur
Condition to Avoid:None known
Section 11 Additional Information
DANGER! Material may be harmful by inhalation, ingestion or if absorbed through the skin. May cause headache, drowsiness, personality changes, disorientation, disturbed vision, possible death. May cause liver damage. Persons with preexisting eye, skin or mucous membrane disorders may be more susceptible. 
DOT Classification: Flammable liquids, n.o.s. (2-methoxy ethanol), 3, UN1993, PG III
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.