SIGMA-ALDRICH
Material Safety Data Sheet
Date Printed: 20/FEB/2005
Date Updated: 14/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 CADMIUM TELLURIDE, POWDER, 5 MICRON,
99.99+%
Product Number 256544
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
CADMIUM TELLURIDE, POWDER, 5 1306-25-8 215-149-9 048-001-00-5
MICRON,99.99+%
Formula CdTe
Molecular Weight 240 AMU
Synonyms Cadmium monotelluride * Irtran 6
3 - Hazards Identification
SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Harmful by inhalation, in contact with skin and if swallowed. Very
toxic to aquatic organisms, 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 INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.
5 - Fire Fighting Measures
EXTINGUISHING MEDIA
Suitable: Noncombustible. Use extinguishing media appropriate to
surrounding fire conditions.
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. Wear disposable coveralls and discard them after
use.
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 in a cool dry
place.
Incompatible Materials: Avoid contact with acid.
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. Discard contaminated clothing and
shoes.
EXPOSURE LIMITS - DENMARK
Source Type Value
OEL TWA 0.01 mg/m3
EXPOSURE LIMITS - UNITED KINGDOM
Source Type Value
OEL TWA 0.025MG(CD)/M3
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 Color: White
Form: Crystals
Property Value At Temperature or Pressure
pH N/A
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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 6.2 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
Materials to Avoid: Strong oxidizing agents, Strong acids.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Nature of decomposition products
not known.
11 - Toxicological Information
RTECS NUMBER: EV3330000
ACUTE TOXICITY
LD50
Intraperitoneal
Rat
2820 MG/KG
Remarks: Behavioral:Tremor. Behavioral:Change in motor activity
(specific assay). Nutritional and Gross Metabolic:Weight loss or
decreased weight gain.
LD50
Intraperitoneal
Mouse
2100 MG/KG
Remarks: Behavioral:Tremor. Behavioral:Change in motor activity
(specific assay). Nutritional and Gross Metabolic:Weight loss or
decreased weight gain.
SIGNS AND SYMPTOMS OF EXPOSURE
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. May cause irritation.
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CHRONIC EXPOSURE - CARCINOGEN
Result: Carcinogen.
IARC CARCINOGEN LIST
Rating: Group 1
12 - Ecological Information
No data available.
13 - Disposal Considerations
SUBSTANCE DISPOSAL
Bury in a landfill site approved for the disposal of chemical and
hazardous wastes. Observe all federal, state, and local
environmental regulations.
14 - Transport Information
RID/ADR
UN#: 2570
Class: 6.1
PG: III
Proper Shipping Name: Cadmium compound
IMDG
UN#: 2570
Class: 6.1
PG: III
Proper Shipping Name: Cadmium compound
Marine Pollutant: No
Severe Marine Pollutant: Yes
IATA
UN#: 2570
Class: 6.1
PG: III
Proper Shipping Name: Cadmium compound
Inhalation Packing Group I: No
15 - Regulatory Information
CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
ANNEX I INDEX NUMBER: 048-001-00-5
NOTA: A, 1
INDICATION OF DANGER: Xn N
Harmful. Dangerous for the environment.
R-PHRASES: 20/21/22 50/53
Harmful by inhalation, in contact with skin and if swallowed.
Very toxic to aquatic organisms, may cause long-term adverse
effects in the aquatic environment.
S-PHRASES: 60 61
This material and its container must be disposed of as
hazardous waste. Avoid release to the environment. Refer to
special instructions/safety data sheets.
SWITZERLAND
SWISS POISON CLASS: 1
16 - Other Information
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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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