Product ID:ISOBUTANE
MSDS Date:10/01/1985
FSC:6830
NIIN:00N008581
MSDS Number: BCQQC

Emergency Phone: 713-471-2544

Info Phone: 713-471-2544

Cage: 23972

Cage: 23972

-159.6C

CAS: 75-28-5

RTECS: TZ4300000

Fraction By Weight: Fraction by Wt

OSHA PEL N/K

ACGIH TLV: N/K

LD50 LC50 Mixture:N/K
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:(SEE SIGNS & SYMPTOMS OF OVEREXPOSURE)
Explanation of Carcinogenicity:N/A
Effects of Overexposure:ISOBUTANE IS NOT CONSIDERED TOXIC. IT CAN ACT
AS A SIMPLE ASPHYXIANT BY DISPLACING AIR. SYMPTOMS OF ASPHYXIATIONS
INCLUDE RAPID RESPIRATION, DIZZINESS & FATIGUE. CONTACT W/LIQUID OF
ISOBUTANE CAN CAUS E FROSTBITE. NO KNOWN CHRONIC EFFECTS OF
OVEREXPOSURE.
Medical Cond Aggravated by Exposure:N/K

First Aid:INHALATION:MOVE VICTIM TO FRESH AIR. IF NOT BREATHING, GIVE
ARTIFICIAL RESPIRATION, PREFERABLY MOUTH TO MOUTH. IF BREATHING IS
DIFFICULT, GIVE OXYGEN. CALL A PHYSICIAN. CONTACT:TREAT FOR
FROSTBITE.

Flash Point:N/K
Lower Limits:1.8
Upper Limits:8.4
Extinguishing Media:SMALL SECONDARY FIRES MAY BE BROUGHT UNDER CONTROL
BY USING CO*2/DRY CHEM TYPE FIRE EXTINGUISHERS WHILE STOPPING FLOW.
Fire Fighting Procedures:USE NIOSH/MSHA APVD PRESS DEMAND SCBA & FULL
PROT EQPT. ONLY SAFE WAY TO EXTINGUISH IS STOP FLOW OF GAS. IF FLOW
CANNOT BE STOPPED, LET FIRE(SEE SUP DATA)
Unusual Fire/Explosion Hazard:CYL EXPOS TO FIRE MAY RUPTURE W/VIOLENT
FORCE.APPL H*2O SPRAY FR MAX POSSIBLE DIST.FLAMMABLE GASES MAY
SPREAD FR SPILL AFT FIRE IS EXTINGUISHED & REIGNITE.

Spill Release Procedures:SHUT OFF ALL IGNITION SOURCES & VENTILATE THE
AREA. FOR CONTROLLING LARGE FLOWS, PERSONNEL MAY HAVE TO WEAR
APPROACH TYPE PROTECTIVE SUITS & POSITIVE PRESSURE SCBA.
Neutralizing Agent:N/K

Handling and Storage Precautions:CYLINDERS SHOULD BE STORED & USED IN
DRY, WELL VENTILATED AREAS AWAY FR SOURCE OF HEAT/IGNITION.DO NOT
STORE WITH OXIDIZERS.
Other Precautions:BFR USING:SECURE CYL TO PVNT IT FR FALLING/BEING
KNOCKED OVER.INSTALL CHECK VALVES/TRAPS TO PVNT SUCKBACK TO
CYL.GROUND ALL LINES & EQPT.LEAK CHECK LINES & EQPT. HAVE EMER PLAN
COVERING STEPS TO BE TA KEN IN EVENT OF ACCIDENTAL RELEASE.

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR APPROPRIATE FOR
EXPOSURE OF CONCERN . POSITIVE PRESSURE SCBA SHOULD BE WORN IF IT
IS SUSPECTED THAT ISOBUTANE IS IN THE AIR.
Ventilation:VENTILATION APPROPRIATE FOR CONDITIONS OF USE.CONSULT
INDUSTRIAL HYGIENIST/SAFETY SPECIALIST FOR SPECIFIC GUIDANCE
Protective Gloves:GLOVES RECM FOR CYLINDER HANDLING.
Eye Protection:CHEMICAL WORKERS GOGGLES
Other Protective Equipment:N/K
Work Hygienic Practices:N/K
Supplemental Safety and Health
BP:(10.9F). VAP PRESS:210 KPA(GAUGE) AT 21.1C. PH, PCT VOLT-VOL, FLASH
PT METH, ROUTES OF ENTRY & CARCINOGENITY:FP N. FIRE FIGHT:BURN
ITSELF OUT WHILE COOLING CYLINDER & SURROUNDINGS USING WATER SPRAY
.

Boiling Pt:B.P. Text:-11.7 C
Melt/Freeze Pt:M.P/F.P Text:N/K
Decomp Temp:Decomp Text:N/K
Vapor Pres:30.4 PSIG
Vapor Density:2.064
Spec Gravity:N/K
Evaporation Rate & Reference:N/K
Solubility in Water:NEGLIGIBLE AT 0C,32F
Appearance and Odor:AT ROOM TEMP & ATM PRESS ISOBUTANE IS COLORLESS GAS
SHIPPED AS LIQ GAS.

Stability Indicator/Materials to Avoid:YES
OXIDIZING MATERIALS
Stability Condition to Avoid:N/K
Hazardous Decomposition Products:CARBON MONOXIDE & CARBON DIOXIDE

Waste Disposal Methods:DISPOSAL MUST BE IN ACCORDANCE WITH FEDERAL,
STATE & LOCAL REGULATIONS .

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.