ELECTRONIC SPACE PRODUCTS INTERNATIONAL

1050 Benson Way, Ashland, OR 97520

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E-Mail: sales@espimetals.com

MATERIAL SAFETY DATA SHEET

I            PRODUCT IDENTIFICATION

Trade Name:      Chromium Boride                                                                       Chemical Family:             Metal Boride

Formula:            CrB₂                                                                                            CAS #:                               12007-16-8

II           HAZARDOUS INGREDIENTS

TLV:     0.5 mg/m³                                        OSHA PEL:       1 mg/m³              %:         100

HMIS Hazard Rating: Health: 1               Flammability: 0               Reactivity: 0      Personal Protection: E

III         PHYSICAL DATA

Boiling Point:                   No data                                                                         Melting Point:                  1850 ^oC

Solubility:                         Insoluble                                                                       Density (gm/cc): 5.15

Appearance and Odor:    Dark grey powder, pieces; no odor.

IV         FIRE AND EXPLOSION HAZARDS

Flammability: Very low

Extinguishing Media: Agents for metal fires such as dry graphite, MET-L-X, TEC.

V           HEALTH HAZARD INFORMATION

Routes of Entry: Inhalation and skin.

Effects of Overexposure:

Inhalation: Chromium dusts can cause irritation of the nose, throat and mucous membranes as well as soreness of the nose and throat.

Dermal/Eye Contact: May cause irritation. Repeated or prolonged contact with certain chromium compounds can cause eczematous dermatitis.

Other: Insoluble chromium compounds exhibit very low oral toxicity. No specific signs of chromium toxicity have been reported.

Medical Conditions Generally Aggravated by Exposure: pre-existing lung disorders.

Carcinogencity: Chromium: NTP and IARC Monographs.

EMERGENCY AND FIRST AID PROCEDURES:

EYES: Flush eyes with water to remove particles. If irritation persists, contact a physician.

SKIN: Wash with soap and water.

INHALATION: Remove to fresh air. Treat symptomatically.

INGESTION: Give victim fluids, then induce vomiting. Seek medical assistance.

VI         REACTIVITY DATA

Stability: Stable

Hazardous Decomposition Products: No data

Hazardous Polymerization: Will not occur.

Conditions to Avoid: None

VII        SPILL OR LEAK PROCEDURES

Steps to Be Taken in Case Material Is Released or Spilled: Sweep or scoop up and place in container for disposal.

Waste Disposal Method: Dispose of waste in an approved hazardous waste landfill. Contact federal, state or local authorities for proper disposal procedures.

VIII      SPECIAL PROTECTION INFORMATION

Respiratory Protection: Any respirator approved for dusts, mists and fumes.

Ventilation: Local Exhaust: To control dusts and maintain exposure below TLV.

Mechanical: Not recommended.

Protective Gloves: Any glove to limit skin contact.

Eye Protection: Safety glasses

Other Protective Equipment: Normal work wear.

Handling and Storage Conditions: Wash throughly after handling. Keep container closed.

Issued By:           S. Dierks

Dated:                  April 1994