MATERIAL SAFETY DATA SHEET

I.   PRODUCT IDENTIFICATION

Manufacturer/Supplier:

ESPI Metals

1050 Benson Way, Ashland, OR 97520

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

E-Mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

Product Name:     Silver (I) Sulfide

Formula:              Ag₂S

II.   HAZARDOUS INGREDIENTS

Hazardous Components:  Silver Sulfide

Percent (%):                   100

OSHA/PEL:                      0.01 mg Ag/m³

ACGIH/TLV:                     0.01 mg Ag/m³

III.   PHYSICAL DATA

Boiling Point:                   Decomposes

Freezing/Melting Point:  825 ^oC

Specific Gravity:              7.317

Solubility in H₂O:             Insoluble

Appearance and Odor:    Grayish black powder, odor not known.

Other:                              Light sensitive

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:  Do not use water.  Use carbon dioxide, dry chemical extinguishing agents, dry sand, or dry ground dolomite.

Special Fire Fighting Procedures:  No special firefighting procedures needed.  Use normal procedures which include wearing NIOSH/MSHA approved self-contained breathing apparatus, flame and chemical resistant clothing; hats, boots and gloves.  If without risk, remove material from fire area.

V.   HEALTH HAZARD INFORMATION

Effects of Exposure:

Acute Effects:

Ingestion:  May be harmful, effects not known.

Skin Contact:  Causes skin irritation.

Eye Contact:  Causes eye irritation.

Inhalation:  Irritating to the mucous membranes and upper respiratory tract.

Chronic Effects:

Ingestion:  See other chronic effects

Skin Contact:  See other chronic effects

Eye Contact:  None known

Inhalation:  See other chronic effects

Other:  Absorption of silver compounds by ingestion, inhalation or through broken skin can cause argyreia, a permanent bluish-grey discoloration of the skin, conjunctiva and mucous membranes.

Most likely Routes of Entry:  Ingestion

Medical Conditions, if any, Aggravated by the Chemical:  None known

Other Health Hazards:  None known

EMERGENCY AND FIRST AID PROCEDURES:

INGESTION:  No data available but one should obtain medical attention.

EYES:  Immediately flush eyes, including under eyelids, with large amounts of water for at least 15 minutes.  Call a physician.

SKIN:  Remove contaminated clothing, flood skin with large amounts of water.  If irritation persists seek medical attention.

INHALATION:  No specific information available, one should obtain medical attention.

VI.   REACTIVITY DATA

Stability:  Stable

Incompatibility (Material to Avoid):  Contact with acids may evolve H₂S, a toxic and flammable gas.

Hazardous Decomposition Products:  SOx, H₂S

Conditions to Avoid:  Thermal decomposition

Hazardous Polymerization:  Will not occur

RCRA Code:  D011

TSCA Registered:  Yes

VII.   SPILL AND LEAK PROCEDURES

Steps to be Taken in Case Material is Released or Spilled:  Wearing full protective equipment, cover spill with dry vermiculite.  Mix well and carefully transfer to a container.

Waste Disposal:  Consult state, local or federal EPA regulations for proper disposal.

VIII.   SPECIAL PROTECTION INFORMATION

Respiratory Protection:  High efficiency particle respirator.

Eye/Face Protection:  ANSI approved safety goggles.

Ventilation Requirements:  Laboratory fume hood.

Protective Gloves:  Rubber

IX.   SPECIAL PRECAUTIONS

Handling and Storage:  Keep container tightly closed.  Store in a cool, dry, well-ventilated area.  Wash thoroughly after use.

Other Precautions:  Lab coat and apron, flame and chemical resistant coveralls, eyewash capable of sustained flushing, safety drench shower and hygienic facilities for washing.

Transportation Information:  Per 49CFR 172.101

Proper Shipping Name:  Not regulated

Hazard Classification:  None

UN#:   None

WARNING:  Causes skin pigmentation.

This product contains silver which is subject to the reporting requirements of section 313 of the Emergency Planning and Community Right-To-Know Act of 1986 and 40CFR 372.

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:                   June 1993