SIGMA-ALDRICH
Material Safety Data Sheet
Date Printed: 18/MAY/2005
Date Updated: 12/MAR/2004
Version 1.4
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 SELENIUM, POWDER, -100 MESH,
>=99.99%(NO BULK SALES ALLOWED)
Product Number 229865
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
SELENIUM, SOLID 7782-49-2 231-957-4 034-001-00-2
Formula Se
Molecular Weight 78.96 AMU
Synonyms C.I. 77805 * Colloidal selenium * Elemental
selenium * Selen (Polish) * Selenate * Selenium
(ACGIH) * Selenium alloy * Selenium base *
Selenium dust * Selenium elemental * Selenium
homopolymer * Vandex
3 - Hazards Identification
SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Toxic by inhalation and if swallowed. Danger of cumulative
effects. May cause long-term adverse effects in the aquatic
environment.
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: Use extinguishing media appropriate to surrounding
fire conditions. Noncombustible.
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 under nitrogen.
SPECIAL REQUIREMENTS: Store under inert gas.
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. Wash thoroughly after
handling.
EXPOSURE LIMITS
Country Source Type Value
Poland NDS 0.1 MG/M3
Poland NDSCh 0.3 MG/M3
Poland NDSP -
EXPOSURE LIMITS - DENMARK
Source Type Value
OEL TWA 0.1 mg/m3
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EXPOSURE LIMITS - GERMANY
Source Type Value
TRGS 900 OEL 0.1 mg/m3, E
Remarks: GB
EXPOSURE LIMITS - SWEDEN
Source Type Value
LLV (Level0.1 mg/m3
EXPOSURE LIMITS - SWITZERLAND
Source Type Value
OEL OEL 0.1 mg/m3
Remarks: E
EXPOSURE LIMITS - UNITED KINGDOM
Source Type Value
OEL OEL 0.1 mg/m3
PERSONAL PROTECTIVE EQUIPMENT
Respiratory Protection: Government approved respirator.
Hand Protection: Long rubber or neoprene gauntlet gloves.
Eye Protection: Chemical safety goggles.
9 - Physical and Chemical Properties
Appearance Physical State: Solid
Color: Light grey
Property Value At Temperature or Pressure
pH N/A
BP/BP Range N/A
MP/MP Range 217 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 4.81 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.
Materials to Avoid: Strong oxidizing agents Avoid contact with
acid.
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HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Nature of decomposition products
not known.
HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur
11 - Toxicological Information
RTECS NUMBER: VS7700000
ACUTE TOXICITY
LD50
Oral
Rat
6700 mg/kg
Remarks: Behavioral:Somnolence (general depressed activity).
Lungs, Thorax, or Respiration:Dyspnea. Nutritional and Gross
Metabolic:Changes in:Other changes.
LD50
Intravenous
Rat
6 MG/KG
SIGNS AND SYMPTOMS OF EXPOSURE
Exposure can cause: Anemia. Stomach pains, vomiting, diarrhea.
Coughing, chest pains, difficulty in breathing. Acute selenium
poisoning produces central nervous system effects, which include
nervousness, convulsions, and drowsiness. Other signs of
intoxication can include skin eruptions, lassitude,
gastrointestinal distress, teeth that are discolored or decayed,
odorous ("garlic") breath, and partial loss of hair and nails.
Chronic exposure by inhalation can produce symptoms that include
pallor, coating of the tongue, anemia, irritation of the mucosa,
lumbar pain, liver and spleen damage, as well as any of the
other previously mentioned symptoms.
ROUTE OF EXPOSURE
Skin Contact: Causes skin irritation.
Skin Absorption: Toxic if absorbed through skin.
Eye Contact: Causes eye irritation.
Inhalation: Toxic if inhaled. Material is irritating to mucous
membranes and upper respiratory tract.
Ingestion: Toxic if swallowed.
TARGET ORGAN INFORMATION
Central nervous system. Liver. Spleen. G.I. System. Teeth.
CHRONIC EXPOSURE - CARCINOGEN
Result: This product is or contains a component that is not
classifiable as to its carcinogenicity based on its IARC, ACGIH,
NTP, or EPA classification.
Mouse
Route of Application: Oral
Exposure Time: 60D
Result: Tumorigenic:Equivocal tumorigenic agent by RTECS
criteria. Skin and Appendages: Other: Tumors.
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IARC CARCINOGEN LIST
Rating: Group 3
CHRONIC EXPOSURE - TERATOGEN
Species: Mouse
Dose: 134 MG/KG
Route of Application: Oral
Exposure Time: (MULTIGENERATIONS)
Result: Effects on Embryo or Fetus: Fetotoxicity (except death,
e.g., stunted fetus). Effects on Embryo or Fetus: Fetal death.
12 - Ecological Information
No data available.
13 - Disposal Considerations
SUBSTANCE DISPOSAL
Material in the elemental state should be recovered for reuse or
recycling. Observe all federal, state, and local environmental
regulations.
14 - Transport Information
RID/ADR
UN#: 3077
Class: 9
PG: III
Proper Shipping Name: Environmentally hazardous
substance, solid, n.o.s
IMDG
UN#: 3077
Class: 9
PG: III
Proper Shipping Name: Environmentally hazardous
substance, solid, n.o.s
Marine Pollutant: No
Severe Marine Pollutant: No
Technical Name: Required
IATA
UN#: 3077
Class: 9
PG: III
Proper Shipping Name: Environmentally hazardous
substance, solid, n.o.s
Inhalation Packing Group I: No
Technical Name: Required
15 - Regulatory Information
CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
ANNEX I INDEX NUMBER: 034-001-00-2
INDICATION OF DANGER: T
Toxic.
R-PHRASES: 23/25 33 53
Toxic by inhalation and if swallowed. Danger of cumulative
effects. May cause long-term adverse effects in the aquatic
environment.
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S-PHRASES: 20/21 28 45 61
When using do not eat, drink, or smoke. After contact with
skin, wash immediately with plenty of soap-suds. 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.
COUNTRY SPECIFIC INFORMATION
Germany
WGK: 2
SWITZERLAND
SWISS POISON CLASS: 1
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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