SECTION 2. HAZARDS IDENTIFICATION

Signal Word: Danger

Hazard Statements: H301: Toxic if swallowed
H332: Harmful if inhaled
Precautionary Statements: P261 Avoid breathing dust/fume/vapor
P264: Wash thoroughly after handling
P304+P340: IF INHALED: Remove victim to fresh air and keep at rest
in a position comfortable for breathing
P321: Specific treatment
P405: Store locked up
P501: Dispose of contents/container in accordance with
local/regional/national/international regulations
HMIS Health Ratings (0-4):
Health: 2
Flammability: 1
Physical: 1

SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS

Chemical Family: Semimetallic alloy
Additional Names: None
Germanium antimonide (GeSb):
Percentage: 100 wt%
CAS #: 12299-73-9
EC #: N/A

SECTION 4. FIRST AID MEASURES

General Treatment: Seek medical attention if symptoms persist.
Special Treatment: None
Important Symptoms: None
Inhalation: Remove victim to fresh air. Supply oxygen if breathing is difficult.
Ingestion: Do not induce vomiting. Seek immediate medical attention.
Skin: Remove any contaminated clothing. Wash affected area with mild soap
and water.
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: Non-flammable, except as powder
Extinguishing Media: Do not use water for metal fires – use 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: 0.5 mg/m3
as Sb, long-term value
Threshold Limit Value: 0.5 mg/m3
as Sb, long-term value
Special Equipment: None
Respiratory Protection: Use a respirator with type P100 (USA) or P3 (EN143) cartridges as a
backup to engineering controls. Risk assessment should be performed
to determine if air-purifying respirators are appropriate. Only use
equipment tested and approved under appropriate government
standards.
Protective Gloves: Nitrile rubber, NBR 0.11mm thick.
Penetration time of glove material: 480 minutes
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 Silver-grey
Form: Powder, Granules, Pellets, Sputtering target, Custom parts
Odor: Odorless
Water Solubility: Insoluble
Boiling Point: N/A
Melting Point: N/A
Flash Point: N/A
Autoignition Temperature: N/A
Density: 6.53 g/cm³
Molecular weight: 191.47 g/mol

SECTION 10. STABILITY AND REACTIVITY

Stability: Stable under recommended storage conditions
Reacts With: Acids, Halogens, Oxidizing agents
Incompatible Conditions: None
Hazardous Decomposition Products: Metal oxide fume

SECTION 11. TOXICOLOGICAL INFORMATION

Potential Health Effects:
Eyes: May cause irritation
Skin: May cause irritation
Ingestion: Toxic
Inhalation: Harmful
Chronic: N/A
Signs & Symptoms: N/A
Aggravated Medical Conditions: N/A
Median Lethal Dose: 100 mg/kg for rat by mouth as Sb
Carcinogen: N/A

SECTION 12. ECOLOGICAL INFORMATION

Aquatic Toxicity: High
Persistent Bioaccumulation Toxicity: No
Very Persistent, Very Bioaccumulative: No
Notes: Toxic for aquatic organism.
May cause long lasting harmful effect on aquatic life.
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.
Do not allow undiluted product or large quantities to reach ground
water, water course or sewage system.
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 as powder only.
Hazard Class: 6.1 Toxic substances.
Packing Group: III
UN Number: UN1549
Proper Shipping Name: Antimony compounds, inorganic, solid, n.o.s. (Germanium antimonide)

SECTION 15. REGULATORY INFORMATION

Sec 302 Extremely Hazardous: No
Sec 304 Reportable Quantities: N/A
Sec 313 Toxic Chemicals: Yes, Antimony