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MATERIAL SAFETY DATA SHEET

I            PRODUCT IDENTIFICATION

Trade Name:                    Cesium Nitrate                                                              Synonym:           Nitric acid, cesium salt

Chemical Family:             Inorganic Nitrate                                                           Formula:            CsNO₃

CAS #:                               7789-18-6

II           HAZARDOUS INGREDIENTS

TLV (Units): Not Established                      PEL: Not Established                     Percent: 100%

III         PHYSICAL DATA

Boiling Point:                   Decomposes                                                                  Melting Point:

Specific Gravity:              3.68                                                                               Solubility in H₂O:            9.16 g/100 cc @ 0 ^oC

Appearance and Odor:    White crystalline powder, odorless

IV         FIRE AND EXPLOSION HAZARDS DATA

Flash Point (method used): N/A                                                                           Autoignition Temp: N/A

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

Extinguishing Media: Non-combustible. If involved in a fire, use water, carbon dioxide, dry chemical extinguishing agents, dry sand, or dry ground dolomite.

Special Fire Fighting Procedures: Inorganic nitrates act as oxygen carriers which may cause a fire or explosion if in contact with reducing agents or inorganic matter. Use normal procedures which include wearing NIOSH/MSHA approved self-contained breathing apparatus with full protective clothing. If without risk, remove material from fire area. Cool container with water form maximum distance.

Unusual Fire and Explosion Hazards: No data

V           HEALTH HAZARD INFORMATION

Effects of Exposure:

Acute Effects:

Ingestion: Large amounts taken by mouth may have serious or even fatal effects. Symptoms include dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness, convulsions and collapse.

Skin Contact: May cause irritation

Eye Contact: May cause irritation

Inhalation: May cause irritation

Chronic Effects:

Ingestion: Small, repeated doses may lead to weakness, general depression, headache and mental impairment.

Skin Contact: None known

Eye Contact: None known

Inhalation: None known

Other: None known

TLV: Not Established

Medical Conditions Generally Aggravated by the Chemical: None Known

Carcinogenicity Data: No information

Most Likely Routes of Entry: Ingestion

EMERGENCY AND FIRST AID PROCEDURES:

EYES: Immediately flush eyes with plenty of water for at least 15 minutes, holding eyes open.

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.

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

VI         REACTIVITY DATA

Stability: Stable

Incompatibility Conditions or Materials to Avoid: Reducing agents, organic matter, moisture.

Hazardous Decomposition Products: NOx

Hazardous Polymerization: Will not occur.

VII        SPILL OR LEAK PROCEDURES

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

Waste Disposal Method: In accordance with Local, State, and Federal Regulations.

RCRA Code: D001                                                                                                TSCA Registered: Yes

VIII      SPECIAL PROTECTION INFORMATION

Respiratory Protection: High efficiency particle respirator.

Ventilation: Glove bag or box with dry inert atmosphere.

Eye/Face Protection: ANSI approved safety goggles                                           Protective Gloves: Rubber

Other Protective Equipment: Normal lab wear.

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.

Other Handling and Storage Conditions:

♦            Wash thoroughly after handling.

♦            Don not get in eyes, on skin or clothing.

♦            Do not breathe dust, vapor, mist, or gas.

♦            Keep container closed.

♦            Keep away from heat, sparks and open flames.

♦            Store in tightly closed containers.

♦            Empty container may contain hazardous residues.

♦            Flammable solid.

DANGER: Oxidizer, irritates skin and eyes

Transportation Information: US DOT (Per 49CFR 172.101)

Proper Shipping Name: Nitrate, n.o.s.

Hazard Classification: Oxidizer

UN: NA 1477

Prepared by:        S. Dierks

Dated:                  October 1990