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:C1956 
Health:
Flammability
Reactivity
Hazard Rating:
LeastSlightModerateHighExtreme
01234
NA = Not Applicable NE = Not Established
Product Name:Lactic Acid 85% Reagent A.C.S.
Trade/Chemical Synonyms 
Formula:CH“CH(OH)COOH
RTECS:OD2800000 
C.A.SCAS# 50-21-5
Section 2 Component Mixture
Sara 313ComponentCAS Number%DimExposure Limits:
Lactic Acid 85% CAS# 50-21-5 100% W/W TXDS: orl-rat LD•: 3543 mg/Kg 
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:Water spray, Carbon dioxide, dry chemical, powder, foam.
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
Eliminate Ignition Sources. Neutralize with: Soda lime, soda ash. Absorb with vermiculite or other inert material. Place in container.
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:63°FSpecific Gravity1.2
Boiling Point:252°F Percent Volatile by Volume:Information not available
Vapor Pressure:Information not available Evaporation Rate:Information not available
Vapor Density: Information not available Evaporation Standard:
Solubility in Water: Miscible Auto ignition Temperature: Not applicable
Appearance and Odor: Colorless to yellow liquid, no odor Lower Flamm. Limit in Air: Not applicable
Flash Point: >235° F Upper Flamm. Limit in Air: Not applicable
Section 10 Stability and Reactivity Information
Stability: StableConditions to Avoid: Avoid contact with incompatible materials.
Materials to Avoid:
Strong oxidizing agents, acids, iodides, albumin
Hazardous Decomposition Products:
Toxic fumes of: Carbon Monoxide, Carbon Dioxide
Hazardous Polymerization:Will Not Occur
Condition to Avoid:None known
Section 11 Additional Information
May cause severe skin and eye irritation, corneal damage. Ingestion causes burns in the mouth, throat, stomach. Corrosive to mucous membranes. Conditions aggravated/target organs: Persons with pre-existing eye, skin and respiratory conditions may be more susceptible 
DOT Classification: Corrosive liquid, acidic, organic, n.o.s. (Lactic acid), 8, UN3265, 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.