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:C1234 
Health:
Flammability
Reactivity
Hazard Rating:
LeastSlightModerateHighExtreme
01234
NA = Not Applicable NE = Not Established
Product Name:Ammonium Hydroxide 1+1 v/v 50% Aqueous 
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 
Ammonium Hydroxide 28-30% w/w CAS# 1336-21-6 50% V/V None established 
Section 3 Hazard Identification (Also see section 11)
May be fatal if inhaled, swallowed or absorbed thru the skin Avoid all contact. Use with adequate ventilation. Wash thoroughly after use. Keep container closed. 
Section 4 First Aid Measures
May be fatal if inhaled, swallowed or absorbed thru the skin Avoid all contact. Use with adequate ventilation. Wash thoroughly after use. Keep container closed.

FIRST AID: CALL A PHYSICIAN. SKIN: In case of contact, immediately flush skin with water for at least 15 minutes while removing contaminated clothing and shoes. Thoroughly clean clothing and shoes before reuse.

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:vapors may accumulate in confined spaces
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 with a weak acid.
Section 7 Handling and Storage
wash thoroughly after handling. Use only in a well ventilated area. Do not get in eyes on skin or on clothing. Do not invest or inhale. 
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:Goggles and Face Shield
Other Protective Equipment: Wear appropriate clothing to prevent skin exposure.
Section 9 Physical and Chemical Properties
Melting Point:Information not availableSpecific GravityInformation not available
Boiling Point:Information not available 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: Soluble Auto ignition Temperature: information not available
Appearance and Odor: Clear colorless / Strong ammonia smell Lower Flamm. Limit in Air: Information not available
Flash Point: Not flammable Upper Flamm. Limit in Air: information not available
Section 10 Stability and Reactivity Information
Stability: StableConditions to Avoid: High temperatures, incompatibilities
Materials to Avoid:
Strong acids, Oxidizers.
Hazardous Decomposition Products:
Ammonia, nitric oxide
Hazardous Polymerization:Will Not Occur
Condition to Avoid:None known
Section 11 Additional Information
Conditions aggravated/target organs: Persons with pre-existing skin, eye or respiratory or mucous membrane disorders are more susceptible. Corrosive! Acute: Severe irritation and burns to skin, eyes, lungs, mucous membranes and GI tract. Skin ulcers, blindness, difficult breathing. Chronic: Dermatitis, eye damage, lung damage. 
DOT Classification: Ammonia Solutions, 8, UN2672, 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.