Analytical Industries GPR-7500 AIS Trace PPM Hydrogen Sulfide Analyzer - Manual (Page 34)

Advanced Instruments, Inc.
34
10. MSDS – Material Safety Data Sheet
Product Identification
Product Name H2S sensor Series - GPR
Synonyms Electrochemical Sensor
Manufacturer Advanced Instruments Inc., 2855 Metropolitan Place, Pomona, CA 91767 USA
Emergency Phone Number 909-392-6900
Preparation / Revision Date January 1, 1995
Notes H2S sensors are sealed, contain protective coverings and in normal conditions do not
present a health hazard. Information applies to electrolyte unless otherwise noted.
Specific Generic Ingredients
Carcinogens at levels > 0.1% None
Others at levels > 1.0% Acetic Acid or sulfuric acid
CAS Number Acetic Acid = 64-19-7
Chemical (Synonym) and
Family Potassium Hydroxide (KOH) – Base or Acetic Acid (CH
3
CO
2
H) – Acid, Lead (Pb) – Metal
General Requirements
Use Acid - as electrolyte
Handling Rubber or latex gloves, safety glasses
Storage Indefinitely
Physical Properties
Boiling Point Range Acetic Acid = 100 to 117

C
Melting Point Range Acetic Acid – NA, Lead 327  C
Freezing Point Acetic Acid = -40 to -10

C
Molecular Weight Acetic Acid – NA, Lead = 207
Specific Gravity Acetic Acid = 1.05 @ 20  C
Vapor Pressure Acetic Acid = 11.4 @ 20

C
Vapor Density Acetic Acid = 2.07
pH Acetic Acid = 2-3
Solubility in H
2
O Complete
% Volatiles by Volume None
Evaporation Rate Similar to water
Appearance and Odor Aqueous solutions Colorless, vinegar-like odor, sulfuric acid, no odor
Fire and Explosion Data
Flash and Fire Points Not applicable
Flammable Limits Not flammable
Extinguishing Method Not applicable
Special Fire Fighting
Procedures Not applicable