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 POLYSULFIDE
Product Number 12665
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 (POLY)SULFIDE 37199-66-9 253-390-1 016-007-00-7
Synonyms Potassium polysulfide
3 - Hazards Identification
SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Contact with acids liberates toxic gas. Causes burns. Very toxic
to aquatic organisms.
4 - First Aid Measures
AFTER INHALATION
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.
AFTER EYE CONTACT
Assure adequate flushing of the eyes by separating the eyelids
with fingers.
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.
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
Cover with dry lime or soda ash, pick up, keep in a closed
container, and hold for waste disposal.
7 - Handling and Storage
HANDLING
Directions for Safe Handling: Do not breathe dust. Do not get in
eyes, on skin, on clothing. Avoid prolonged or repeated exposure.
STORAGE
Conditions of Storage: Keep tightly closed. Store in a cool dry
place.
Incompatible Materials: Avoid contact with acid.
8 - Exposure Controls / Personal Protection
ENGINEERING CONTROLS
Safety shower and eye bath. Use only in a chemical fume hood.
GENERAL HYGIENE MEASURES
Wash thoroughly after handling. Wash contaminated clothing before
reuse. Discard contaminated shoes.
PERSONAL PROTECTIVE EQUIPMENT
Special Protective Measures: Wear appropriate government approved
respirator, chemical-resistant gloves, safety goggles, other
protective clothing.
9 - Physical and Chemical Properties
Appearance N/A
Property Value At Temperature or Pressure
pH N/A
BP/BP Range N/A
MP/MP Range N/A
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 N/A
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Decomposition Temp. N/A
Solvent Content N/A
Water Content N/A
Surface Tension N/A
Conductivity N/A
Miscellaneous Data N/A
Solubility N/A
10 - Stability and Reactivity
STABILITY
Materials to Avoid: Strong oxidizing agents.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide.
11 - Toxicological Information
RTECS NUMBER: TT5950000
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
Multiple Routes: Harmful if swallowed, inhaled, or absorbed
through skin.
12 - Ecological Information
No data available.
13 - Disposal Considerations
SUBSTANCE DISPOSAL
Observe all federal, state, and local environmental regulations.
14 - Transport Information
RID/ADR
UN#: 1382
Class: 4.2
PG: II
Proper Shipping Name: Potassium sulphide
IMDG
UN#: 1382
Class: 4.2
PG: II
Proper Shipping Name: Potassium sulphide, anhydrous
Marine Pollutant: No
Severe Marine Pollutant: No
IATA
UN#: 1382
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Class: 4.2
PG: II
Proper Shipping Name: Potassium sulphide, anhydrous
Inhalation Packing Group I: No
15 - Regulatory Information
CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
ANNEX I INDEX NUMBER: 016-007-00-7
INDICATION OF DANGER: C N
Corrosive. Dangerous for the environment.
R-PHRASES: 31 34 50
Contact with acids liberates toxic gas. Causes burns. Very
toxic to aquatic organisms.
S-PHRASES: 26 45 61
In case of contact with eyes, rinse immediately with plenty of
water and seek medical advice. In case of accident or if you
feel unwell, seek medical advice immediately (show the label
where possible). Avoid release to the environment. Refer to
special instructions/safety data sheets.
SWITZERLAND
SWISS POISON CLASS: 2
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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