SECTION 1. IDENTIFICATION
Product Name: Tin(IV) Selenide
CAS #: 20770-09-6
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
H
MIS
Health Ratings (0-4):
Health: 2
Flammability: 1
Physical: 1
Signal Word: Danger
Hazard Statements:
H301+H331: Toxic if swallowed or if inhaled
H373: May cause damage to organs through prolonged or repeated exposure
Precautionary Statements:
P260: Do not breathe dust/fume/gas/mist/vapors/spray
P301+P310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for
breathing
P405: Store locked upP501: Dispose of contents/container in accordance with local/regional/national/international
regulations
SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS
Chemical Family: Ceramic
Additional Names: Tin(IV) Selenide
Tin selenide (SnSe2):
Percentage: 100 wt%
CAS#: 20770-09-6
SECTION 4. FIRST AID MEASURES
General Treatment:
Seek medical attention if symptoms persist.
Special Treatment:
Immediately remove any clothing soiled by the product. Remove breathing apparatus only after
contaminated clothing has been completely removed. In case of irregular breathing or respiratory
arrest provide artificial respiration
Important Symptoms:
None
Inhalation:
Remove victim to fresh air. Supply oxygen if breathing is difficult.
Ingestion:
Seek medical attention.
Skin:
Wash affected area with mild soap and water. Remove any contaminated clothing.
Eyes:
Flush eyes with water, blinking often for several minutes. Remove contact lenses if present and easy
to do. Continue rinsing
SECTION 5. FIREFIGHTING MEASURES
Flammability:
Flammable as powder
Extinguishing Media:
Do not use water for metal fires –use CO2, sand, extinguishing powder.
Spec. Fire Fighting Procedure:
Use full-face, self-contained breathing apparatus with full protective clothing to prevent contact with
skin and eyes.
See section 10 for decomposition products.
SECTION 6. ACCIDENTAL RELEASE MEASURES
If Material Is Released/Spilled:
Wear appropriate respiratory and protective equipment specified in special protection information.
Isolate spill area and provide ventilation. Vacuum up spill using a high efficiency particulate
absolute (HEPA) air filter and place in a closed container for disposal.Take care not to raise dust.
Environmental Precautions:
Isolate runoff to prevent environmental pollution.
SECTION 7. HANDLING AND STORAGE
Handling Conditions:
Wash thoroughly after handling.
Storage Conditions:
Store in a cool dry place in a tightly sealed container. Store apart from materials and conditions listed
in section 10.
Work/Hygienic Maintenance:
Do not use tobacco or food in work area. Wash thoroughly before eating and smoking. Do not blow
dust off clothing or skin with compressed air.
Ventilation:
Provide sufficient ventilation to maintain concentration at or below threshold limit.
SECTION 8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Permissible Exposure Limits:
0.2 mg/m3 as Se, long-term value
Threshold Limit Value:
0.2 mg/m3 as Se, long-term value
Special Equipment:
None
Respiratory Protection:
Dust Respirator
Protective Gloves:
Rubber gloves
Eye Protection:
Safety glasses or goggles
Body Protection:
Protective work clothing. Wear close-toed shoes and long sleeves/pants.
SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES
Color: N/A
Form: Powder/Pieces
Odor: N/A
Water Solubility: Insoluble
Boiling Point: N/A
Melting Point: N/A
Flash Point: N/A
Autoignition Temperature: N/A
Density: N/A
Molecular weight: 276.63 g/mol
SECTION 10. STABILITY AND REACTIVITY
Stability:
Stable under recommended storage conditions
Reacts With:
Oxidizing agents
Incompatible Conditions:
None
Hazardous Decomposition Products:
Metal oxide fume
SECTION 11. TOXICOLOGICAL INFORMATION
Potential Health Effects:
Eyes:
Causes irritating effect
Skin:
Irritating to skin and mucous membranes
Ingestion:
May cause irritation
Inhalation:
May cause irritation
Chronic:
Selenium may cause amyotropic lateral sclerosis, bronchial irritation, gastrointestinal distress,
vasopharyngeal irritation, garlic odor on breath and sweat, metallic taste, pallor, irritability, excessive
fatigue, loss of fingernails and hair, pulmonary edema, anemia and weight loss.
Metallic tin and inorganic tin compounds may cause nausea, vomiting, diarrhea, irritation, and
pneumoconiosis.
Signs & Symptoms:
N/A
Aggravated Medical Conditions:
N/A
Median Lethal Dose:
N/A
Carcinogen:
NTP-R: Reasonably anticipated to be a carcinogen, limited evidence of carcinogenicity from
epidemiologic studies.
IARC-3: Not classifiable as to carcinogenicity to humans.
EPA-D: Not classifiable as to human carcinogenicity: inadequate human and animal evidence of
carcinogenicity or no data are available.
SECTION 12. ECOLOGICAL INFORMATION
Aquatic Toxicity:
High
Persistent Bioaccumulation Toxicity:
No
Very Persistent, Very Bioaccumulative:
No
Notes:
Very toxic for aquatic organism.
May cause long lasting harmful effect on aquatic life.Do not allow material to be released to the environment without official permits.
Do not allow product to reach any water sources.
Danger to drinking water if even extremely small quantities leak into the ground.
Also poisonous for fish and plankton in water bodies
Avoid transfer into the environment.
SECTION 13. DISPOSAL CONSIDERATIONS
Dispose of in accordance with local, state, national, and international regulations.
SECTION 14. TRANSPORT INFORMATION
Hazardous: Hazardous for transportation.
Hazard Class: 6.1 Toxic substances.
Packing Group: III
UN Number: UN 3283
Proper Shipping Name: Selenium compound, solid, n.o.s.(Tin selenide)
SECTION 15. REGULATORY INFORMATION
National regulations
All components of this product are listed in the U.S. Environmental Protection Agency Toxic
Substances Control Act Chemical substance Inventory.
All components of this product are listed on the Canadian Non-Domestic Substances List (NDSL).
SARA Section 313 (specific toxic chemical listings)
20770-09-6 Tin selenide
California Proposition 65
Prop 65 - Chemicals known to cause cancer
Substance is not listed.
Prop 65 - Developmental toxicity
Substance is not listed.
Prop 65 - Developmental toxicity, female
Substance is not listed.
Prop 65 - Developmental toxicity, male
Substance is not listed.
Information about limitation of use:
For use only by technically qualified individuals.
This product contains selenium and is subject to the reporting requirements of section 313 of the
Emergency Planning and Community Right to Know Act of 1986 and 40CFR372.
Other regulations, limitations and prohibitive regulations
Substance of Very High Concern (SVHC) according to the REACH Regulations (EC) No. 1907/2006.
Substance is not listed.
The conditions of restrictions according to Article 67 and Annex XVII of the Regulation (EC) No
1907/2006 (REACH) for the manufacturing, placing on the market and use must be observed.
Substance is not listed.
Annex XIV of the REACH Regulations (requiring Authorisation for use)
Substance is not listed.
Chemical safety assessment:
A Chemical Safety Assessment has not been carried out.
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.
