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File Name: espi-metals_com---boron.asp
                                            MATERIAL SAFETY DATA SHEET



I PRODUCT IDENTIFICATION

Trade Name: Boron Synonym: Boron Metal
Chemical Family: Metal Formula: B


II HAZARDOUS INGREDIENTS

Hazardous Component % OSHA/PEL ACGIH/TLV Sec. 302 Sec. 304 Sec. 313
Boron 0-100 N/E N/E No No No

HMIS Ratings (0-4): Health: 2 Flammability: 3 Reactivity: 0
HMIS Protective Equipment: E: glasses, gloves, dust respirator.


III PHYSICAL DATA

2550 oC 2300 oC
Boiling Point: Melting Point:
Specific Gravity: 3.33 Vapor Pressure: N/A
Vapor Density: N/E Evaporation Rate: N/A
% Volatile: N/A Solubility in H2O: Insoluble

Appearance and Odor: Gray-brown powder, no odor.


IV FIRE AND EXPLOSION HAZARDS DATA

Flash Point: N/E or N/A Flammability: Flammable solid
Flammable Limits: Upper: N/E Lower: N/E

Extinguishing Media: Class D or other suitable metal extinguishing agent.
Special Fire Fighting Procedures: Firefighters must wear full face self-contained breathing apparatus with full protective clothing to
prevent contact with skin and eyes. Fumes from fire are hazardous. Isolate runoff to prevent environmental pollution.

Unusual Fire and Explosion Hazards: Boron metal powder is highly reactive. Dust may ignite spontaneously in air. Powder
oxidizes slowly at room temperature. Boron metal may emit toxic fumes if involved in a fire. May ignite on contact with gaseous
chlorine or fluorine at room temperature. May react exothermically with metals above 900 oC. May react explosively when ground
with lead fluoride or silver fluoride. May explode with hydrogen iodide.


V HEALTH HAZARD INFORMATION

Routes of Entry: Inhalation, ingestion.

Effects of Exposure:
Boron compounds are very toxic and therefore considered an industrial poison. Boron is one of a group of elements, such as
Pb, Mn, As, which effects the central nervous system. Boron poisoning causes depression of the circulation, persistent vomiting and
diarrhea, followed by profound shock and coma. The temperature becomes subnormal and a scarlatina form rash may cover the entire
body.
Acute Effects:

Inhalation: DANGER-POISON. May cause irritation to the mucous membrane and boron poisoning.
Ingestion: DANGER-POISON. May cause irritation to the gastrointestinal tract and boron poisoning.
Skin: May cause mild irritation.
Eye: May cause mild irritation.

Chronic Effects:

Inhalation: No chronic health effects recorded.
Ingestion: May affect the central nervous system.
Skin: May cause dermatitis.
Eye: No chronic health effects recorded.

Medical Conditions Generally Aggravated by Exposure: Pre-existing respiratory disorders.
Target Organs: May affect the central nervous system.
Carcinogenicity: NTP: No IARC: No OSHA: No

EMERGENCY AND FIRST AID PROCEDURES:

INHALATION: Remove victim to fresh air, keep warm and quiet, give oxygen if breathing is difficult. Seek medical attention.
INGESTION: If conscious, give 1-2 glasses of milk or water and induce vomiting (never give anything by mouth or induce vomiting
to an unconscious person). Seek medical attention.
SKIN: Remove contaminated clothing from affected area, brush material off skin, wash affected area with mild soap and water. Seek
medical attention if symptoms persist.
EYES: Flush eyes with lukewarm water, lifting upper and lower eyelids, for at least 15 minutes. Seek medical attention if symptoms
persist.


VI REACTIVITY DATA

Stability: Stable

Conditions to Avoid: None
Incompatibility (Material to Avoid): NH3, Br2, BrF3, Cs2C2, Cl2, CuO, HIO3, PbO2, HNO3, NO, NOF, N2O, KClO3, KNO3, Rb2C2, S,
BrF5, IF5, FNO2, OF2, KNO2, Na2O2, PbO.

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: Wear appropriate respiratory and protective equipment specified in
Section VIII. Isolate spill area, provide ventilation and extinguish sources of ignition. Vacuum up spill using a high efficiency
particulate absolute (HEPA) air filter and place in a closed container for proper disposal. Use non-sparking tools. Take care not to
raise dust.

Waste Disposal Method: Dispose of in accordance with State, Federal and Local regulations.
VIII SPECIAL PROTECTION INFORMATION

Respiratory Protection (Specify Type): NIOSH/MSHA approved dust respirator.
Ventilation: Handle in a inert gas such as argon in a controlled, enclosed environment. Use local exhaust to maintain concentrations
at low exposure levels. General exhaust not recommended.

Protective Gloves: Rubber gloves. Eye Protection: Safety glasses recommended
Other Protective Equipment: Protective gear suitable to prevent contamination.


IX SPECIAL PRECAUTIONS

Precautions to Be Taken in Handling and Storage: Store in a tightly sealed container, in a cool, dry, well-ventilated area. Wash
thoroughly after handling. Handle and store in a controlled environment and inert gas such as argon.

Work/Hygienic/Maintenance Practices: Implement engineering and work practice controls to reduce and maintain concentration of
exposure at low levels. Use good housekeeping and sanitation practices. Do not use tobacco or food in work area. Wash thoroughly
before eating and smoking. Do not blow dust off clothing or skin with compressed air.


Prepared by: S. Dierks
Dated: April 1994

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