ELECTRONIC SPACE PRODUCTS INTERNATIONAL

1050 Benson Way, Ashland, OR 97520

Toll Free (800) 638-2581 * Fax (541) 488-8313

E-Mail: sales@espimetals.com

MATERIAL SAFETY DATA SHEET

I            PRODUCT IDENTIFICATION

Trade Name:                    Tin Selenide                                                                  Synonyms:          None

Chemical Formula:          SnSe                                                                              CAS #:                1315-06-6

II           HAZARDOUS INGREDIENTS

None

III         PHYSICAL DATA

Boiling Point:                   Unknown                                                                      Melting Point:                  861

Density, gm/cc:                 6.179                                                                             Solubility in H₂O:            Insoluble

Appearance/Odorless:     Steel grey crystalline solid. No odor.

IV         FIRE AND EXPLOSION HAZARDS DATA

Flash Point: Not Applicable                                                                                  Extinguishing Media: Dry chemical

Special Fire Fighting Procedures: Wear SCBA unit when fighting chemical fires.

Unusual Fire & Explosion Hazards: None

V           HEALTH HAZARD INFORMATION

Permissible Exposure Limit:

TLV for Se compounds (as Se): 0.2 mg/m³; OSHA PEL = 0.2 mg/m³

TLV for Tin, inorganic compounds: 2 mg/m³; OSHA PEL = 2 mg/m³

Effects of Overexposure: Irritation: To dust; Eye, Skin irritation. Mild (transient) also Mucous Membranes.

Corrosivity: None                                                                                                  Sensitization: None

Lung Effects: Dusts of this compound can cause irritation, metallic taste and a garlic-like odor to the breath. High concentration can cause shortness of breath, chills, bronchospasms, fever, headache and delayed pulmonary edema. May aggravate pre-existing lung disorders.

Other (specify): Repeated skin contact could cause an allergic-type dermatitis. Not an ingestion hazard. Selenium and tin are not implicated as a carcinogen.

EMERGENCY AND FIRST AID PROCEDURES:

EYES: Flush with copious amounts of water for at least 15 minutes.

SKIN: Flush with soap and water.

INHALATION: Remove to fresh air.

INGESTION: Induce vomiting.

VI         REACTIVITY DATA

Stability: Stable

Incompatibility (Material to avoid): None documented.

Hazardous Decomposition Products: Se fume upon heating to decomposition.

Hazardous Polymerization: Will not occur.

VII        SPILL OR LEAK PROCEDURES

Steps to Be Taken in Case Material Is Released or Spilled: Sweep or scoop up and remove.

Waste Disposal Method: Disposal of in an approved hazardous waste landfill.

VIII      SPECIAL PROTECTION INFORMATION

Respiratory Protection (Specify Type): Use an air purifying respirator, if dust or fumes are being generated.

Ventilation: Local exhaust.

Eye Protection: Safety glasses.                                                                              Hand (Glove Type): Neoprene

Other Protective Equipment: Normal laboratory wear.

IX         SPECIAL PRECAUTIONS

Precautionary Labeling: Wash thoroughly after handling. Do not get in eyes, on skin or clothing. Do not breathe dust, vapor, mist, gas. Keep container closed.

              The above information is believed to be correct, but does not purport to be all inclusive and shall be used only as a guide. ESPI shall not be held liable for any damage resulting from handling or from contact with the above product.

Prepared By:       S. Dierks

Dated:                  October 1994