Extinguishing Media:carbon dioxide, regular dry chemical Large fires:
Use regular foam or flood with fine water spray.
Fire Fighting Procedures:Move container from fire area if it can be
done without risk. Cool containers with water spray until well
after the fire is out. Stay away from the ends of tanks. Withdraw
immediately in case of rising sound from venting safety device or
any discoloration of tanks due to fire. For tank, rail car or tank
truck, evacuation radius: 800 meters (1/2 mile).
Unusual Fire/Explosion Hazard:Negligible fire hazard.

Spill Release Procedures:Stop leak if possible without personal risk.
Keep unnecessary people away, isolate hazard area and deny entry.
Stay upwind and keep out of low areas.
Neutralizing Agent:

Handling and Storage Precautions:Store and handle in accordance with
all current regulations and standards. Keep separated from
incompatible substances.
Other Precautions:

Respiratory Protection:Under conditions of frequent use or heavy
exposure, respiratory protection may be needed. Respiratory
protection is ranked in order from minimum to maximum. Consider
warning properties before use. For Unknown Concentrations or
Immediately Dangerous to Life or Health - Any supplied-air
respirator with full facepiece and operated in a pressure-demand or
other positive-pressure mode in combination with a separate escape
supply. Any self-contained breathing apparatus with a full
facepiece.
Ventilation:Based on available information, additional ventilation is
not required. Ensure compliance with applicable exposure limits.
Protective Gloves:Wear appropriate chemical resistant gloves.
Eye Protection:Wear splash resistant safety goggles. Provide an
emergency eye wash fountain and quick drench shower in the
immediate work area.
Other Protective Equipment:Wear appropriate chemical resistant
clothing.
Supplemental Safety and Health
SULFUR HEXAFLUORIDE: 1000 ppm (6000 mg/m3) OSHA TWA 1000 ppm ACGIH TWA
1000 ppm (6000 mg/m3) NIOSH recommended TWA 10 hour(s)

Boiling Pt:Not available
Melt/Freeze Pt:-58.9 F (-50.5 C)
Vapor Pres:16548 mmHg @ 20 C
Vapor Density:5.1
Spec Gravity:1.68
pH:Not applicable
Evaporation Rate & Reference:Not applicable
Solubility in Water:slightly soluble
Appearance and Odor:PHYSICAL STATE:gas COLOR:colorless ODOR:odorless
Corrosion Rate:

Stability Indicator/Materials to Avoid:Stable at normal temperatures
and pressure.
Hazardous Decomposition Products:Thermal decomposition products:
halogens, oxides of sulfur Thermal decomposition products:
halogens, oxides of sulfur
Conditions to Avoid Polymerization:Will not polymerize.

Waste Disposal Methods:Dispose in accordance with all applicable
regulations.

Toxicological Information:SULFUR HEXAFLUORIDE: ACUTE TOXICITY LEVEL:
Insufficient Data.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.

Ecological:Not available

Transport Information:U.S. DOT 49 CFR 172.101: PROPER SHIPPING NAME:
Sulfur hexafluoride ID NUMBER: UN1080 HAZARD CLASS OR DIVISION: 2.2
LABELING REQUIREMENTS: Nonflammable gas

SARA Title III Information: SARA TITLE III SECTION 302 EXTREMELY
HAZARDOUS SUBSTANCES (40 CFR 355.30): Not regulated. SARA TITLE
III SECTION 304 EXTREMELY HAZARDOUS SUBSTANCES (40 CFR 355.40): Not
regulated. SARA TITLE III SARA SECTIONS 311/312 HAZARDOUS
CATEGORIES (40 CFR 370.21): ACUTE: Yes CHRONIC: No FIRE: No
REACTIVE: No SUDDEN RELEASE: Yes SARA TITLE III SECTION 313 (40
CFR 372.65): Not regulated.
Federal Regulatory Information:CERCLA SECTIONS 102a/103 HAZARDOUS
SUBSTANCES (40 CFR 302.4): Not regulated. OSHA PROCESS SAFETY
(29CFR1910.119): Not regulated.
State Regulatory Information: California Proposition 65: Not regulated.