SIGMA-ALDRICH
MATERIAL SAFETY DATA SHEET
Date Printed: 03/15/2005
Date Updated: 04/11/2004
Version 1.3
Section 1 - Product and Company Information
Product Name SODIUM SULFIDE NONAHYDRATE, 98+%,
A.C.S. REAGENT
Product Number 208043
Brand ALDRICH
Company Sigma-Aldrich
Street Address 3050 Spruce Street
City, State, Zip, Country SAINT LOUIS MO 63103 US
Technical Phone: 314 771 5765
Emergency Phone: 414 273 3850 Ext. 5996
Fax: 800 325 5052
Section 2 - Composition/Information on Ingredient
Substance Name CAS # SARA 313
SODIUM SULFIDE (60-62% NA2S) SCALES 1313-84-4 No
Formula Na2S.9H2O
Synonyms Sodium sulphide nonahydrate * Sulfure de sodium
(French)
RTECS Number: WE1925000
Section 3 - Hazards Identification
EMERGENCY OVERVIEW
Toxic.
Contact with acids liberates toxic gas. Toxic by inhalation, in
contact with skin and if swallowed. Causes burns.
Target organ(s): Nerves. Cardiovascular system.
HMIS RATING
HEALTH: 3
FLAMMABILITY: 0
REACTIVITY: 1
NFPA RATING
HEALTH: 3
FLAMMABILITY: 0
REACTIVITY: 1
For additional information on toxicity, please refer to Section 11.
Section 4 - First Aid Measures
ORAL EXPOSURE
If swallowed, wash out mouth with water provided person is
conscious. Call a physician immediately.
INHALATION EXPOSURE
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.
DERMAL EXPOSURE
In case of skin contact, flush with copious amounts of water for
at least 15 minutes. Remove contaminated clothing and shoes.
Call a physician.
EYE EXPOSURE
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.
Section 5 - Fire Fighting Measures
FLASH POINT
N/A
AUTOIGNITION TEMP
N/A
FLAMMABILITY
N/A
EXTINGUISHING MEDIA
Suitable: Carbon dioxide, dry chemical powder, or appropriate
foam.
FIREFIGHTING
Protective Equipment: Wear self-contained breathing apparatus
and protective clothing to prevent contact with skin and eyes.
Specific Hazard(s): Emits toxic fumes under fire conditions.
EXPOSURE HAZARD(S)
Material: Corrosive. Toxic.
Section 6 - Accidental Release Measures
PROCEDURE 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.
Section 7 - Handling and Storage
HANDLING
User Exposure: Do not breathe dust. Do not get in eyes, on skin,
on clothing. Avoid prolonged or repeated exposure.
STORAGE
Suitable: Keep tightly closed.
Store at 2-8掳C
Section 8 - Exposure Controls / PPE
ENGINEERING CONTROLS
Use only in a chemical fume hood. Safety shower and eye bath.
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PERSONAL PROTECTIVE EQUIPMENT
Respiratory: Government approved respirator.
Hand: Compatible chemical-resistant gloves.
Eye: Chemical safety goggles.
GENERAL HYGIENE MEASURES
Wash contaminated clothing before reuse. Discard contaminated
shoes. Wash thoroughly after handling.
Section 9 - Physical/Chemical Properties
Appearance Color: Colorless
Form: Crystalline lumps
Property Value At Temperature or Pressure
Molecular Weight 240.18 AMU
pH N/A
BP/BP Range N/A
MP/MP Range N/A
Freezing Point N/A
Vapor Pressure N/A
Vapor Density N/A
Saturated Vapor Conc. N/A
SG/Density 1.427 g/cm3
Bulk Density N/A
Odor Threshold N/A
Volatile% N/A
VOC Content N/A
Water Content N/A
Solvent Content N/A
Evaporation Rate N/A
Viscosity N/A
Surface Tension N/A
Partition Coefficient N/A
Decomposition Temp. N/A
Flash Point N/A
Explosion Limits N/A
Flammability N/A
Autoignition Temp N/A
Refractive Index N/A
Optical Rotation N/A
Miscellaneous Data N/A
Solubility Solvent: 0.1 g/ml H2O clear, colorless
N/A = not available
Section 10 - Stability and Reactivity
STABILITY
Stable: Stable.
Conditions of Instability: Light sensitive.
Conditions to Avoid: Air sensitive. Exposure to air converts the
material to sodium thiosulfate and sodium carbonate. Moisture.
Materials to Avoid: Acids, Oxidizing agents, Aluminum, Copper,
Zinc, and their alloys.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Sulfur oxides, Hydrogen sulfide
gas, Sodium/sodium oxides.
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HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur
Section 11 - Toxicological Information
ROUTE OF EXPOSURE
Skin Contact: Causes burns.
Skin Absorption: Toxic if absorbed through skin.
Eye Contact: Causes burns.
Inhalation: Toxic if inhaled. Material is extremely destructive
to the tissue of the mucous membranes and upper respiratory
tract.
Ingestion: Toxic if swallowed.
TARGET ORGAN(S) OR SYSTEM(S)
Nerves. Cardiovascular system.
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.
TOXICITY DATA
Intraperitoneal
Mouse
53 MG/KG
LD50
Section 12 - Ecological Information
No data available.
Section 13 - Disposal Considerations
APPROPRIATE METHOD OF DISPOSAL OF SUBSTANCE OR PREPARATION
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.
Section 14 - Transport Information
DOT
Proper Shipping Name: Sodium sulfide, hydrated [with
not less than30 percent water]
UN#: 1849
Class: 8
Packing Group: Packing Group II
Hazard Label: Corrosive
PIH: Not PIH
IATA
Proper Shipping Name: Sodium sulphide, hydrated
IATA UN Number: 1849
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Hazard Class: 8
Packing Group: II
Section 15 - Regulatory Information
EU ADDITIONAL CLASSIFICATION
Symbol of Danger: C N
Indication of Danger: Corrosive. Dangerous for the environment.
R: 31 34 50
Risk Statements: Contact with acids liberates toxic gas. Causes
burns. Very toxic to aquatic organisms.
S: 26 45 61
Safety Statements: 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.
US CLASSIFICATION AND LABEL TEXT
Indication of Danger: Toxic.
Risk Statements: Contact with acids liberates toxic gas. Toxic
by inhalation, in contact with skin and if swallowed. Causes
burns.
Safety Statements: Keep away from sources of ignition - no
smoking. In case of contact with eyes, rinse immediately with
plenty of water and seek medical advice. Wear suitable
protective clothing, gloves, and eye/face protection. Do not
breathe dust.
US Statements: Target organ(s): Nerves. Cardiovascular system.
UNITED STATES REGULATORY INFORMATION
SARA LISTED: No
CANADA REGULATORY INFORMATION
WHMIS Classification: This product has been classified in
accordance with the hazard criteria of the CPR, and the MSDS
contains all the information required by the CPR.
DSL: No
NDSL: No
Section 16 - Other Information
DISCLAIMER
For R&D use only. Not for drug, household or other uses.
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.
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