SIGMA-ALDRICH
Material Safety Data Sheet
Date Printed: 24/MAY/2005
Date Updated: 17/MAR/2004
Version 1.1
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 SODIUM SULFIDE
Product Number 407410
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
SODIUM SULFIDE 1313-82-2 215-211-5 016-009-00-8
Formula Na2S
Molecular Weight 78.04 AMU
Synonyms Sodium monosulfide * Sodium sulphide
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 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 immediately.
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
Sweep up, place in a bag and hold for waste disposal. Avoid
raising dust. Ventilate area and wash spill site after material
pickup is complete.
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 at 2-8掳C
SPECIAL REQUIREMENTS: Hygroscopic. Air and light sensitive.
8 - Exposure Controls / Personal Protection
ENGINEERING CONTROLS
Use only in a chemical fume hood. Safety shower and eye bath.
GENERAL HYGIENE MEASURES
Wash contaminated clothing before reuse. Discard contaminated
shoes. Wash thoroughly after handling.
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
Property Value At Temperature or Pressure
pH N/A
BP/BP Range N/A
MP/MP Range 950 掳C
ALDRICH - 407410 www.sigma-aldrich.com Page 2
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 1.86 g/cm3
Partition Coefficient N/A
Viscosity N/A
Vapor Density N/A
Saturated Vapor Conc. N/A
Evaporation Rate N/A
Bulk Density N/A
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
Stable: Stable.
Conditions to Avoid: Air. Moisture. Light.
Materials to Avoid: Oxidizing agents, Copper, Zinc.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Sulfur oxides, Sodium/sodium
oxides, Hydrogen sulfide gas.
HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur
11 - Toxicological Information
RTECS NUMBER: WE1905000
ACUTE TOXICITY
LD50
Oral
Rat
208 mg/kg
LD50
Intraperitoneal
Rat
147 MG/KG
LD50
Oral
Mouse
205 mg/kg
SIGNS AND SYMPTOMS OF EXPOSURE
If ingested, contact with stomach acids can liberate toxic
hydrogen sulfide gas. Material is extremely destructive to
tissue of the mucous membranes and upper respiratory tract,
eyes, and skin. Inhalation may result in spasm, inflammation and
ALDRICH - 407410 www.sigma-aldrich.com Page 3
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.
Ingestion: Toxic if swallowed.
12 - Ecological Information
No data available.
13 - Disposal Considerations
SUBSTANCE DISPOSAL
Contact a licensed professional waste disposal service to dispose
of this material. Dissolve or mix the material with a combustible
solvent and burn in a chemical incinerator equipped with an
afterburner and scrubber. Observe all federal, state, and local
environmental regulations.
14 - Transport Information
RID/ADR
UN#: 1385
Class: 4.2
PG: II
Proper Shipping Name: Sodium sulphide
IMDG
UN#: 1385
Class: 4.2
PG: II
Proper Shipping Name: Sodium sulphide, anhydrous
Marine Pollutant: No
Severe Marine Pollutant: No
IATA
UN#: 1385
Class: 4.2
PG: II
Proper Shipping Name: Sodium sulphide, anhydrous
Inhalation Packing Group I: No
15 - Regulatory Information
CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
ANNEX I INDEX NUMBER: 016-009-00-8
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 61 45
ALDRICH - 407410 www.sigma-aldrich.com Page 4
In case of contact with eyes, rinse immediately with plenty of
water and seek medical advice. Avoid release to the
environment. Refer to special instructions/safety data sheets.
In case of accident or if you feel unwell, seek medical advice
immediately (show the label where possible).
COUNTRY SPECIFIC INFORMATION
Germany
WGK: 2
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.
ALDRICH - 407410 www.sigma-aldrich.com Page 5
|