SIGMA-ALDRICH
Material Safety Data Sheet
Date Printed: 12/MAY/2005
Date Updated: 13/MAR/2004
Version 1.2
According to 91/155/EEC
Classified as Hazardous according to the criteria of EU Annex 1 and
NOHSC.
1 - Product and Company Information
Product Name POTASSIUM SUPEROXIDE, POWDER
Product Number 278904
Company Sigma-Aldrich Pty, Ltd
Unit 2, 14 Anella Avenue
Castle Hill NSW 1765
Australia
Technical Phone # +61 2 9841 0555
Fax +61 2 9841 0500
Emergency Phone # +61 2 9841 0566
2 - Composition/Information on Ingredients
Product Name CAS # EC no Annex I
Index Number
POTASSIUM SUPEROXIDE 12030-88-5 234-746-5 None
Formula KO2
Molecular Weight 71.1 AMU
Synonyms Potassium dioxide
3 - Hazards Identification
SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Contact with combustible material may cause fire. Causes burns.
Reacts violently with water.
4 - First Aid Measures
AFTER INHALATION
If inhaled, remove to fresh air. If breathing becomes difficult,
call a physician.
AFTER SKIN CONTACT
In case of skin contact, flush with copious amounts of water for
at least 15 minutes. Remove contaminated clothing and shoes.
Call a physician.
AFTER EYE CONTACT
In case of contact with eyes, flush with copious amounts of
water for at least 15 minutes. Assure adequate flushing by
separating the eyelids with fingers. Call a physician.
AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.
5 - Fire Fighting Measures
EXTINGUISHING MEDIA
Suitable: Carbon dioxide, dry chemical powder, or appropriate
foam.
SPECIAL RISKS
Specific Hazard(s): Emits toxic fumes under fire conditions.
Contact with other material may cause fire. May accelerate
combustion.
SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
Wear self-contained breathing apparatus and protective clothing
to prevent contact with skin and eyes.
6 - Accidental Release Measures
PERSONAL PRECAUTION PROCEDURES TO BE FOLLOWED IN CASE OF LEAK OR SPILL
Evacuate area.
PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear self-contained breathing apparatus, rubber boots, and heavy
rubber gloves.
METHODS FOR CLEANING UP
Absorb on sand or vermiculite and place in closed containers for
disposal. Ventilate area and wash spill site after material
pickup is complete.
7 - Handling and Storage
HANDLING
Directions for Safe Handling: Do not breathe vapor. Do not get
in eyes, on skin, on clothing. Avoid prolonged or repeated
exposure.
STORAGE
Conditions of Storage: Keep tightly closed. Keep away from
combustible materials, heat, sparks, and open flame. Store in a
cool dry place.
Incompatible Materials: Do not allow contact with water
8 - Exposure Controls / Personal Protection
ENGINEERING CONTROLS
Use only in a chemical fume hood. Safety shower and eye bath.
GENERAL HYGIENE MEASURES
Wash thoroughly after handling. Remove and wash contaminated
clothing promptly.
PERSONAL PROTECTIVE EQUIPMENT
Respiratory Protection: Government approved respirator.
Hand Protection: Compatible chemical-resistant gloves.
Eye Protection: Chemical safety goggles.
9 - Physical and Chemical Properties
Appearance Physical State: Solid
Color: Light yellow
Form: Powder
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Property Value At Temperature or Pressure
pH N/A
BP/BP Range N/A
MP/MP Range 425 掳C
Flash Point N/A
Flammability N/A
Autoignition Temp N/A
Oxidizing Properties N/A
Explosive Properties N/A
Explosion Limits N/A
Vapor Pressure N/A
SG/Density N/A
Partition Coefficient N/A
Viscosity N/A
Vapor Density N/A
Saturated Vapor Conc. N/A
Evaporation Rate N/A
Bulk Density 0.16 - 0.320 kg/l
Decomposition Temp. N/A
Solvent Content N/A
Water Content N/A
Surface Tension N/A
Conductivity N/A
Miscellaneous Data N/A
10 - Stability and Reactivity
STABILITY
Conditions to Avoid: Do not allow water to enter container because
of violent reaction.
Materials to Avoid: Strong acids, Alcohols, Strong reducing
agents, Finely powdered metals.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Oxygen, Potassium oxides.
HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur
11 - Toxicological Information
RTECS NUMBER: TT6053000
SIGNS AND SYMPTOMS OF EXPOSURE
Material is extremely destructive to tissue of the mucous
membranes and upper respiratory tract, eyes, and skin.
Inhalation may result in spasm, inflammation and edema of the
larynxand bronchi, chemical pneumonitis, and pulmonary edema.
Symptoms of exposure may include burning sensation, coughing,
wheezing, laryngitis, shortness of breath, headache, nausea, and
vomiting. To the best of our knowledge, the chemical, physical,
and toxicological properties have not been thoroughly
investigated.
ROUTE OF EXPOSURE
Skin Contact: Causes burns.
Skin Absorption: May be harmful if absorbed through the skin.
Eye Contact: Causes burns.
Inhalation: Material is extremely destructive to the tissue of
the mucous membranes and upper respiratory tract. May be harmful
if inhaled.
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Ingestion: May be harmful if swallowed.
CHRONIC EXPOSURE - MUTAGEN
Human
10 MG/L
Cell Type: Other cell types
DNA damage
Human
100 UG/L
Cell Type: lymphocyte
Cytogenetic analysis
Hamster
12500 UG/L
Cell Type: ovary
DNA damage
12 - Ecological Information
No data available.
ECOTOXICOLOGICAL EFFECTS
Species: other fish
Time: 24 h
Value: 80 mg/l
13 - Disposal Considerations
SUBSTANCE DISPOSAL
Contact a licensed professional waste disposal service to dispose
of this material. Observe all federal, state, and local
environmental regulations.
14 - Transport Information
RID/ADR
UN#: 2466
Class: 5.1
PG: I
Proper Shipping Name: Potassium superoxide
IMDG
UN#: 2466
Class: 5.1
PG: I
Proper Shipping Name: Potassium superoxide
Marine Pollutant: No
Severe Marine Pollutant: No
IATA
UN#: 2466
Class: 5.1
PG: I
Proper Shipping Name: Potassium superoxide
Inhalation Packing Group I: No
15 - Regulatory Information
CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
INDICATION OF DANGER: O C
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Oxidizing. Corrosive.
R-PHRASES: 8 34 14
Contact with combustible material may cause fire. Causes burns.
Reacts violently with water.
S-PHRASES: 17 27 36/37/39
Keep away from combustible material. Take off immediately all
contaminated clothing. Wear suitable protective clothing,
gloves, and eye/face protection.
16 - Other Information
WARRANTY
The above information is believed to be correct but does not
purport to be all inclusive and shall be used only as a guide. The
information in this document is based on the present state of our
knowledge and is applicable to the product with regard to
appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Sigma-Aldrich Inc.,
shall not be held liable for any damage resulting from handling or
from contact with the above product. See reverse side of invoice
or packing slip for additional terms and conditions of sale.
Copyright 2005 Sigma-Aldrich Co. License granted to make unlimited
paper copies for internal use only.
DISCLAIMER
For R&D use only. Not for drug, household or other uses.
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