TE2062 Copper Telluride (Cu2Te) Powder (CAS No.12019-23-7)

SECTION 1. IDENTIFICATION

Product Name: Copper(I) Telluride

CAS #: 12019-52-2

Relevant identified uses of the substance: Scientific research and development

Supplier details:

Stanford Advanced Materials

E-mail: sales@samaterials.com

Tel: (949) 407-8904

Address: 23661 Birtcher Dr., Lake Forest, CA 92630 U.S.A.

SECTION 2. HAZARDS IDENTIFICATION

Classification

Classification under 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200)

Label Elements

None required

Hazards not otherwise classified (HNOC)

None identified

SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS

Component:

Copper(I) Telluride (Cu2Te)

CAS-No:

12019-52-2

Weight:

< 100%

SECTION 4. FIRST AID MEASURES

Eye Contact:

Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Get medical

attention.

Skin Contact:

Wash off immediately with plenty of water for at least 15 minutes. Get medical attention immediately if

symptoms occur.

Inhalation:

Move to fresh air. Get medical attention immediately if symptoms occur.

Ingestion:

Clean mouth with water and drink afterwards plenty of water. Get medical attention if symptoms occur.

Most important symptoms and effects:

None reasonably foreseeable.

Notes to Physician:

Treat symptomatically

SECTION 5. FIREFIGHTING MEASURES

Suitable Extinguishing Media: Not combustible.

Unsuitable Extinguishing Media: No information available

Flash Point: No information available

Method: No information available

Autoignition Temperature: No information available

Explosion Limits

Upper: No data available

Lower: No data available

Sensitivity to Mechanical Impact: No information available

Sensitivity to Static Discharge: No information available

Specific Hazards Arising from the Chemical:

Keep product and empty container away from heat and sources of ignition.

Hazardous Combustion Products:

Tellurium oxide Copper oxides

Protective Equipment and Precautions for Firefighters:

As in any fire, wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or

equivalent) and full protective gear.

NFPA

Health: 2

Flammability: 0

Instability: 0

Physical hazards: -

SECTION 6. ACCIDENTAL RELEASE MEASURES

Personal Precautions:

Ensure adequate ventilation. Use personal protective equipment. Avoid dust formation.

Environmental Precautions:

Should not be released into the environment. See Section 12 for additional ecological information. Do

not allow material to contaminate ground water system. Do not flush into surface water or sanitary

sewer system.

Methods for Containment and Clean Up:Sweep up or vacuum up spillage and collect in suitable container for disposal. Avoid dust formation.

SECTION 7. HANDLING AND STORAGE

Handling:

Wear personal protective equipment. Ensure adequate ventilation. Avoid contact with skin, eyes and

clothing. Avoid ingestion and inhalation. Avoid dust formation.

Storage:

Keep containers tightly closed in a dry, cool and well-ventilated place.

SECTION 8. EXPOSURE CONTROLS/PERSONAL PROTECTION

Exposure Guidelines

Component:

Copper(I) Telluride (Cu2Te)

ACGIH TLV:

TWA: 1 mg/m3

TWA: 0.1 mg/m3

OSHA PEL:

(Vacated) TWA: 0.1 mg/m3

NIOSH IDLH:

IDLH: 100 mg/m3

IDLH: 25 mg/m3

TWA: 1 mg/m3

TWA: 0.1 mg/m3

Mexico OEL (TWA):

TWA: 0.1 mg/m3

Engineering Measures:

None under normal use conditions.

Personal Protective Equipment

Eye/face Protection:

Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and

face protection regulations in 29 CFR 1910.133 or European Standard EN166.

Skin and body protection:

Wear appropriate protective gloves and clothing to prevent skin exposure.

Respiratory Protection:

No protective equipment is needed under normal use conditions.

Hygiene Measures:

Handle in accordance with good industrial hygiene and safety practice.

SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid

Appearance: No information available

Odor: Odorless

Odor Threshold: No information available

pH: No information available

Melting Point/Range: No data available

Boiling Point/Range: No information available

Flash Point: No information availableEvaporation Rate: Not applicable

Flammability (solid,gas): No information available

Flammability or explosive limits

Upper: No data available

Lower: No data available

Vapor Pressure: No information available

Vapor Density: Not applicable

Specific Gravity: 7.27 g/cm3

Solubility: No information available

Partition coefficient; n-octanol/water: No data available

Autoignition Temperature: No information available

Decomposition Temperature: No information available

Viscosity: Not applicable

Molecular Formula: Cu2Te

Molecular Weight: 254.68

SECTION 10. STABILITY AND REACTIVITY

Reactive Hazard:

None known, based on information available

Stability:

Stable under normal conditions.

Conditions to Avoid:

Incompatible products.

Incompatible Materials:

Strong oxidizing agents

Hazardous Decomposition Products:

Tellurium oxide, Copper oxides

Hazardous Polymerization:

Hazardous polymerization does not occur.

Hazardous Reactions:

None under normal processing.

SECTION 11. TOXICOLOGICAL INFORMATION

Acute Toxicity

Product Information:

Component Information:

Toxicologically Synergistic Products: No information available

Delayed and immediate effects as well as chronic effects from short and long-term exposure

Irritation: No information available

Sensitization: No information available

Carcinogenicity

Component: Copper(I) Telluride

CAS-No: 12019-52-2

IARC: Not listed

NTP: Not listed

ACGIH: Not listed

OSHA: Not listed

Mexico: Not listed

Mutagenic Effects: No information availableReproductive Effects: No information available.

Developmental Effects: No information available.

Teratogenicity: No information available.

STOT - single exposure: None known

STOT - repeated exposure: None known

Aspiration hazard: No information available

Symptoms / effects,both acute and delayed: No information available

Endocrine Disruptor Information: No information available

Other Adverse Effects: The toxicological properties have not been fully investigated.

SECTION 12. ECOLOGICAL INFORMATION

Ecotoxicity

May cause long-term adverse effects in the environment. Do not allow material to contaminate ground

water system.

Persistence and Degradability: Insoluble in water may persist

Bioaccumulation/ Accumulation: No information available.

Mobility: Is not likely mobile in the environment due its low water solubility

SECTION 13. DISPOSAL CONSIDERATIONS

Waste Disposal Methods:

Chemical waste generators must determine whether a discarded chemical is classified as a hazardous

waste. Chemical waste generators must also consult local, regional, and national hazardous waste

regulations to ensure complete and accurate classification.

SECTION 14. TRANSPORT INFORMATION

DOT:

Not regulated

TDG:

Not regulated

IATA:

Not regulated

IMDG/IMO:

Not regulated

SECTION 15. REGULATORY INFORMATION

Component

TSCA: X

DSL: -

NDSL: X

EINECS: 234-646-1

ELINCS: -

NLP:

PICCS: -

ENCS: -AICS: -

IECS: -

KECL: X

U.S. Federal Regulations

TSCA 12(b):

Not applicable

SARA 313

Component: Copper(I) Telluride

CAS-No: 12019-52-2

Weight:

< 100%

SARA 313 - Threshold Values:

1.0%

CWA (Clean Water Act):

Component: Copper(I) Telluride

CWA - Hazardous Substances: -

CWA - Reportable Quantities: -

CWA - Toxic Pollutants: X

CWA - Priority Pollutants: -

Clean Air Act: Not applicable

OSHA: Not applicable

CERCLA: Not applicable

California Proposition 65: This product does not contain any Proposition 65 chemicals

U.S. State Right-to-Know Regulations

Component: Copper(I) Telluride

Massachusetts: -

New Jersey: X

Pennsylvania: X

Illinois: -

Rhode Island: X

U.S. Department of Transportation

Reportable Quantity (RQ): N

DOT Marine Pollutant: N

DOT Severe Marine Pollutant: N

U.S. Department of Homeland Security:

This product does not contain any DHS chemicals.

Mexico - Grade:

No information available

SECTION 16. OTHER INFORMATION

Safety Data Sheet according to Regulation (EC) No. 1907/2006 (REACH). 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.