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:      Cadmium Sulfide                                                                        Chemical Nature:             Binary Compound

Formula:            CdS

II           HAZARDOUS INGREDIENTS

TLV (Units):      0.05 mg/m³

III         PHYSICAL DATA

Boiling Point 760 mm Hg:             No data                                                           Melting Point:                  No data

Specific Gravity:                             4.82                                                                 Vapor Density:                 >1

Volatiles by Weight:                       N/A                                                                 Solubility in H₂O:            Insoluble in Cold Water

Appearance and Odor:                  Light yellow or orange crystals - odorless.

IV         FIRE AND EXPLOSION HAZARDS DATA

Flash Point (Method used): N/A                                                                          Autoignition Temperature: N/A

Flammable Limits: Upper: N/A  Lower: N/A

Extinguishing Media: If material is involved in a fire, use water fog or spray, dry chemical extinguishing agents, or dry sand.

Unusual Fire & Explosion Hazards: If material is heated to decomposition, it will emit highly toxic fumes and dusts. Material will emit highly toxic fumes in contact with strong acids.

Special Firefighting Procedures: Wear NIOSH/MSHA approved self contained breathing apparatus, chemical resistant protective

clothing, hat, gloves and boots. If without risk, move material out of fire area.

V           HEALTH HAZARD INFORMATION

Effects of Exposure:

              Irritation of the eyes, nose and throat, photophobia, headache, chills, muscle aches, anemia, difficulty breathing, lung cancer, nausea, vomiting, diarrhea and emphysema.

EMERGENCY AND FIRST AID PROCEDURES:

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

SKIN: Remove any contaminated clothing, brush material off of skin, flush with running water, wash carefully with soap and water.

INHALATION/INGESTION: Remove from exposure, seek medical attention.

VI         REACTIVITY DATA

Stability: Stable

Incompatibility (Material to avoid): Acids, acid fumes and oxidizing agents. Avoid heating to decomposition.

Hazardous Decomposition Products: Boron Oxide

Hazardous Polymerization: Will not occur

VII        SPILL OR LEAK PROCEDURES

Steps to Be Taken in Case Material Is Released or Spilled: Wearing respiratory protection and protective clothing, sweep up and place in properly marked container. Sweep spill area with moist sweeping compound and transfer to metal container, close container and retain for disposal. Wash spill area with scrap and water.

Waste Disposal Method: Disposal must be made in accordance with Federal, State and Local regulations.

IX         SPECIAL PROTECTION INFORMATION

Respiratory Protection (Specify Type): NIOSH/MSHA approved, high efficiency particulate respirator, or self contained breathing apparatus.

Ventilation: Local acceptable, Mechanical not acceptable.

Eye Protection: Safety glasses.

Protective Gloves: Rubber.

Other Protective Equipment: Chemical resistant coveralls, pocket-less lab coat and apron. Eye wash fountain capable of sustained

flushing. Hygienic facilities/washing.

IX         SPECIAL PRECAUTIONS

Other Handling and Storage Conditions:

Labeling: Danger! Toxic! Do not swallow or inhale. Avoid contact with skin and eyes. Use only with adequate ventilation. Wash thoroughly after handling. Keep container tightly closed when not in use. Protect container against physical damage. Store in a dry, well ventilated area away from acids, acid vapors and oxidizers.

Prepared By:       S. Dierks

Dated:                  April 1994