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:C2153 
Health:
Flammability
Reactivity
Hazard Rating:
LeastSlightModerateHighExtreme
01234
NA = Not Applicable NE = Not Established
Product Name:Nessler's Reagent Solution 
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 
Mercuric Iodide Red CAS# 7774-29-0 10% W/V OSHA TWA 0.1 mg(Hg)/mƒ 
Potassium Iodide  CAS# 7681-11-0 7% W/V TXDS: orl-hmn LDLo: 1862 mg/Kg 
Sodium Hydroxide  CAS# 1310-73-2 16% W/V OSHA PEL 2 mg/mƒ ACGIH 2mg/mƒ 
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: If swallowed, induce vomiting immediately after giving two glasses of water. Never give anything by mouth to an unconcious person.
Section 5 Fire Fighting Measures
Fire Extinguisher Type:Any means suitable for extinguishing surrounding fire
Fire/Explosion Hazards:None
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. Hold for heavy metal disposal.
Section 7 Handling and Storage
Wash thoroughly after handling. Remove contaminated clothes and wash before reuse. Use with adequate ventilation. 
Section 8 Exposure Controls & Personal Protection
Respiratory Protection:None required
Ventilation: Mechanical: Hand Protection:NIOSH Approved Gloves
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:<2°CSpecific GravityInformation not available
Boiling Point:>98°C Percent Volatile by Volume:83%
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: Clear yellow liquid 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: Contact with Incompatible substances
Materials to Avoid:
Oxidizing materials, acidic conditions
Hazardous Decomposition Products:
Toxic fumes of: Mercury
Hazardous Polymerization:Will Not Occur
Condition to Avoid:None known
Section 11 Additional Information
Condtions aggravated/target organs: Persons with pre-existing skin, eye, or respiratory disorders are more susceptible. Acute: Irritation and burns to skin, eyes, digestive tract. Mercury poisoning. Mists may cause respiratory irritation. Chronic: Dermatitis, eye damage, skin damage, mercury poisoning. 
DOT Classification: Corrosive Liquid,toxic,n.o.s.(Sodium Hydroxide, Mercuric Iodide) 8, UN2922, PG II
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.