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:      Cesium Chloride                                                                         Chemical Family:             Inorganic Chloride

Formula:            CsC1                                                                                           Synonym:                          None

CAS #:                7647-17-8 

II           HAZARDOUS INGREDIENTS

TLV:     Not established                                                                                          %:        100

III         PHYSICAL DATA

Boiling Point:                   1290 ^oC                                                                         Melting Point:                  646 ^oC (decomposes)

Vapor Pressure:               Essentially 0                                                                  Evaporation Rate:           0

Specific Gravity:              3.988                                                                             Solubility in H₂O:            Soluble

Appearance and Odor:    White crystalline solid, odorless

IV         FIRE AND EXPLOSION HAZARDS DATA

Flash Point: N\A                                                                                                    Autoignition Temperature: N\A

Flammable Limits: Upper: N\A Lower: N\A

Extinguishing Media: Use water, carbon dioxide, dry chemical extinguishing agents, dry sand, or dry ground dolomite.

Special Firefighting Procedures: No special fire fighting procedures needed. Use normal procedures which include wearing a self-contained breathing apparatus and full protective clothing to prevent contact with skin and eyes. If without risk, remove material from fire area. Cool container with water from a maximum distance.

V           HEALTH HAZARD INFORMATION

Routes of Entry: Ingestion

OSHA/PEL: N\A                                                                                                                 ACGIH/TLV: N\A

Animal Toxicity: LD50: Ipr-rat: 1500 mg/kg          Ipr-Mos: 1420 mg/kg orl-Mos: 2300 mg/kg

Effects of Over Exposure:

Acute Affects:

Ingestion: May cause irritation, may effect electrolyte balance

Skin Contact: May cause irritation

Eye Contact: May cause irritation

Inhalation: May cause irritation

Chronic Affects:

Ingestion: None known

Skin Contact: None known

Eye Contact: None known

Inhalation: None known

Medical Conditions, if any, Aggravated by Exposure: None known

Other Health Hazards: None known

EMERGENCY AND FIRST AID PROCEDURES:

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

SKIN CONTACT: Remove contaminated clothing, flood skin with large amounts of water. If irritation persists seek medical assistance as necessary.

INHALATION: No specific information, seek medical attention.

INGESTION: No specific information, seek medical attention.

VI         REACTIVITY DATA

Stability: Stable

Other: Hygroscopic

Incompatibility (Material to avoid): Acids, acid fumes, BF₃, moisture, strong oxidizing agents.

Hazardous Decomposition Products: Cl, HCl

Hazardous Polymerization: Will not occur

Conditions to Avoid: Thermal Decomposition

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

RCRA Code: None

TSCA Registered: Yes

VIII      SPECIAL PROTECTION INFORMATION

Respiratory Protection (Specify Type): High efficiency particle respirator.

Ventilation: Laboratory fume hood

Eye Protection: Safety goggles, ANSI approved

Protective Gloves: Rubber

Other Protective Equipment: Normal lab wear

IX         SPECIAL PRECAUTIONS

Handling and Storage Conditions: 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: Per 49CFR 172.101

♦            Wash thoroughly after handling

♦            Do 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

♦            Do not store near combustibles

♦            Empty container may contain hazardous residues

♦            Flammable solid

Proper Ship Name:          Not Regulated

Hazard Class:                   None

UN#:                                  None

Prepared By:       S. Dierks

Dated:                  October 1990