EMS CATALOG NO: 20158
EMS PRODUCT: Potassium Iodide
DATE: 04/29/2001
PAGE NO: One of 5
MATERIAL SAFETY DATA SHEET
The information contained herein is based on data considered
accurate. However, no warranty is expressed or implied
regarding the accuracy of these data or the results to be
obtained from the use thereof.
Electron Microscopy Sciences assumes no responsibility for
personal injury or property damage to vendees, users or
third parties caused by the material. Such vendees or users
assume all risks associated with the use of the material.
ELECTRON MICROSCOPY SCIENCES
321 MORRIS ROAD
P.O. BOX 251 24 HOUR EMERGENCY NUMBER
FORT WASHINGTON, PA. 19034 CHEMTREC: 800-424-9300
(215) 646-1566
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PRODUCT IDENTIFICATION
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Potassium Iodide
PRODUCT NAME:
CAS NO: 7681-11-0 -- 100%
CHEMICAL FAMILY: Inorganic Salt
FORMULA: 1000 PPM BA in Solution
MOLECULAR WEIGHT: 166.01
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HAZARDS IDENTIFICATION
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EMERGENCY OVERVIEW: May be harmful if swallowed. May be
irritating to skin, eyes and mucous
membranes.
APPEARANCE: Colorless, odorless crystals or granules.
POTENTIAL HEALTH EFFECTS (ACUTE AND CHRONIC):
SYMPTOMS OF EXPOSURE: May be harmful if swallowed. May be
irritating on contact with eyes or
prolonged contact with skin.
MEDICAL CONDITION
AGGRAVATED BY EXPOSURE: Data not available.
ROUTES OF ENTRY: Inhalation, ingestion.
CARCINOGENICITY: The material is not listed (IARC, NTP,
OSHA) as cancer causing agent.
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FIRST AID MEASURES
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EMERGENCY FIRST AID: Get medical assistance for all cases of
overexposure.
SKIN: Wash thoroughly with soap and water.
EYES: Immediately flush thoroughly with water for at
least 15 minutes.
INHALATION: Remove to fresh air; give artificial
respiration if breathing has stopped.
INGESTION: If conscious, drink water and induce vomiting
immediately as directed by medical personnel.
Never give anything by mouth to an unconscious
person.
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FIRE FIGHTING MEASURES
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FLASH POINT: Noncombustible
FLAMMABLE LIMITS: LEL: n/av UEL: n/av
EXTINGUISHING MEDIA: Use any suitable for adjacent material.
FIRE FIGHTING PROCEDURES: Wear self contained breathing apparatus.
FIRE & EXPLOSION HAZARDS: Thermal decomposition produces highly
toxic fumes.
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ACCIDENTAL RELEASE MEASURES
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SPILL RESPONSE:
Evacuate the area of all unnecessary personnel. Wear suitable
protective equipment listed under exposure/personal protection. Eliminate any ignition
sources until the area is determined to be free from explosion or fire hazards. Contain the
release and eliminate its source, if this can be done without risk. Take up and container-
ize for proper disposal laws described under disposal. Comply with federal, state, and
local regulations on reporting releases. Refer to regulatory information for reportable
quantity and other regulatory data.
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HANDLING AND STORAGE
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HANDLING AND STORAGE:
Keep container tightly closed. Store at controlled room
temperature. Do not breathe dust. Do not get in eyes, on skin,
or on clothing.
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EXPOSURE CONTROLS/PERSONAL PROTECTION
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ENGINEERING CONTROLS AND PERSONAL PROTECTIVE EQUIPMENT:
Ventilation, respiratory protection, protective clothing, eye
protection material should be handled or transferred in an
approved fume hood or with adequate ventilation.
Protective gloves (neoprene, PVC or equivalent) should be worn to
prevent skin contact.
Safety glasses with side shields should be worn at all times.
WORK/HYGIENIC PRACTICES:
Wash thoroughly after handling. Do not take internally. Eye
wash and safety equipment should be readily available.
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PHYSICAL AND CHEMICAL PROPERTIES
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BOILING POINT (C 760 MMHG): 142oC
723oC
MELTING POINT (C):
SPECIFIC GRAVITY (H2O = 1): 3.12
1 745oC
VAPOR PRESSURE (MM HG):
PERCENT VOLATILE BY VOL (%): n/a
VAPOR DENSITY (AIR = 1): n/a
EVAPORATION RATE (BUAC = 1) n/a
SOLUBILITY IN WATER (%): 60
APPEARANCE: Colorless, odorless crystals or
granules
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STABILITY AND REACTIVITY
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STABILITY: Yes
HAZARDOUS POLYMERIZATION: Does not occur
HAZARDOUS DECOMPOSITION: Iodine, iodine compounds
CONDITIONS TO AVOID: None indicated
MATERIALS TO AVOID: Oxidizers, Bromine Trifluoride,
Chlorine Trifluoride, Fluorine
Perchlorate.
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TOXICOLOGICAL INFORMATION
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TOXICITY DATA:
ORL-MUS LDLO: 1862 mg/kg IVN-RAT LDLO: 167 mg/kg
TOXICOLOGICAL FINDINGS:
Tests on laboratory animals indicate material may produce adverse
mutagenic and reproductive effects. Cited in registry of toxic
effects of substances (RTECS).
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DISPOSAL CONSIDERATIONS
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EPA WASTER NUMBERS - TREATMENT:
Material does not have an EPA waste number and is not a listed
waste, however consultation with a permitted waste disposal site
(TSD) should be accomplished. Always contact permitted waste
disposer (TSD) to assure compliance with all current local, state
and federal regulations.
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TRANSPORT INFORMATION
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DOT PROPER SHIPPING NAME: Not regulated
DOT ID NUMBER: None
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REGULATORY INFORMATION
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NFPA HAZARDS RATINGS:
HEALTH : 2
FLAMMABILITY: 0
REACTIVITY: 0
SPECIAL HAZARDS:
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