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:C1627 
Health:
Flammability
Reactivity
Hazard Rating:
LeastSlightModerateHighExtreme
01234
NA = Not Applicable NE = Not Established
Product Name:Cresol Red (o-Cresolsulfonphthalein) 
Trade/Chemical Synonyms 
Formula:C’‘H‘˜O•S
RTECS:NONE 
C.A.SCAS# 1733-12-6
Section 2 Component Mixture
Sara 313ComponentCAS Number%DimExposure Limits:
Cresol Red (o-Cresolsulfonphthalein) CAS# 1733-12-6 100% W/W  
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: 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 swallowed, induce vomiting immediately after giving two glasses of water. Never give anything by mouth to an unconscious person.
Section 5 Fire Fighting Measures
Fire Extinguisher Type:Water spray, Carbon Dioxide, dry chemical, powder, or foam.
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
Sweep up and place in suitable (fiberboard) containers for reclamation or later disposal. Ventilate area and wash spill site after pickup is complete.
Section 7 Handling and Storage
Do not breath dust. Avoid contact with eyes, skin and clothing. Avoid prolonged or repeated exposure. 
Section 8 Exposure Controls & Personal Protection
Respiratory Protection:dust mask
Ventilation: Mechanical: Hand Protection:Gloves to prevent 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 Gravity0.998
Boiling Point:Information not available Percent Volatile by Volume:0
Vapor Pressure:Information not available Evaporation Rate:not applicable
Vapor Density: Information not available Evaporation Standard:
Solubility in Water: Information not available Auto ignition Temperature: Not applicable
Appearance and Odor: red powder 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: Strong oxidizing agents
Materials to Avoid:
None known
Hazardous Decomposition Products:
oxides of carbon and sulfur
Hazardous Polymerization:Will Not Occur
Condition to Avoid:None known
Section 11 Additional Information
Causes skin irritation. May be harmful if absorbed through th eskin. May be harmful if inhaled. Material is irritating to mucous membranes and upper respiratory tract. May be harmful if ingested. 
DOT Classification: Not Regulated
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.