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Chemical Datasheet

POTASSIUM IODIDE

Chemical Identifiers

CAS Number UN/NA Number DOT Hazard Label USCG CHRIS Code
  • 7681-11-0
 none data unavailable
  • PTI
NIOSH Pocket Guide International Chem Safety Card
none none
NFPA 704
data unavailable
General Description
Odorless white solid. Sinks and mixes with water. (USCG, 1999)

Hazards

Reactivity Alerts
none
Air & Water Reactions
Water soluble.
Fire Hazard
No information available.
Health Hazard
May irritate eyes or open cuts. (USCG, 1999)
Reactivity Profile
Potassium iodide is a weak reducing agent, and may react with strong or weak oxidizing agents.

Bromine trifluoride rapidly attacks potassium iodide [Mellor 2, Supp. 1:164, 165. 1956].
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents

No information available.

Response Recommendations

Isolation and Evacuation
No information available.
Firefighting
No information available.
Non-Fire Response
No information available.
Protective Clothing
Goggles or face shield. (USCG, 1999)
DuPont Tychem® Suit Fabrics
No information available.
First Aid
Flush all affected areas with water. (USCG, 1999)

Physical Properties

Chemical Formula:
  • KI
Flash Point: data unavailable
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: Not flammable (USCG, 1999)
Melting Point: 1258°F (USCG, 1999)
Vapor Pressure: data unavailable
Vapor Density (Relative to Air): data unavailable
Specific Gravity: 3.13 at 59°F (USCG, 1999) - Denser than water; will sink
Boiling Point: Very high (USCG, 1999)
Molecular Weight: 166.01 (USCG, 1999)
Water Solubility: data unavailable
Ionization Energy/Potential: data unavailable
IDLH: data unavailable

AEGLs (Acute Exposure Guideline Levels)

No AEGL information available.

ERPGs (Emergency Response Planning Guidelines)

No ERPG information available.

PACs (Protective Action Criteria)

Chemical PAC-1 PAC-2 PAC-3
Potassium iodide (7681-11-0) 1.3 mg/m3 15 mg/m3 87 mg/m3
(DOE, 2018)

Regulatory Information

EPA Consolidated List of Lists

No regulatory information available.

CISA Chemical Facility Anti-Terrorism Standards (CFATS)

No regulatory information available.

OSHA Process Safety Management (PSM) Standard List

No regulatory information available.

Alternate Chemical Names