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Advanced Gas Technologies Inc, 1401 Stauffer Road, Palm, PA, 18070, USA

Tel +1 215 541 4116, Fax +1 215 541 4443, sales@advgas.com

www.advgas.com

Material Safety Data Sheet

Refrigerant R600a - ISOBUTANE

Revision 09/04.

1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Advanced Gas Technologies

1401 Stauffer Road

Palm, PA 18070.

Telephone Number: (215) 541-4116

MSDS IDENTIFICATION CODE / NUMBER: IA

EMERGENCY TELEPHONE NUMBER

CHEMTREC (800) 424-9300

PRODUCT NAME: Isobutane

CAS NUMBER: 75-28-5

CHEMICAL FAMILY: Aliphatic hydrocarbon

CHEMICAL FORMULA: C

SYNONYMS: 2-Methylpropane, Trimethylmethane

2. COMPOSITION / INFORMATION ON INGREDIENTS

INGREDIENT NAME EXPOSURE LIMITS CONCENTRATION

PERCENT BY WEIGHT

Isobutane No 99.0-99.9

CAS NUMBER: 75-28-5 OSHA PEL-TWA: Simple Asphyxiant

3. HAZARDS INDENTIFICATION

This product does not contain oxygen and may cause asphyxia if released in a confined area.

Simple

hydrocarbons can cause irritation and central nervous system depression at high concentrations.

Extremely

flammable.

EYE EFFECTS:

None anticipated as product is a gas at room temperature.

SKIN EFFECTS:

None anticipated as product is a gas at room temperature.

INGESTION EFFECTS:

Ingestion is unlikely.

INHALATION EFFECTS:

Product is relatively nontoxic. Simple hydrocarbons can irritate the eyes, mucous membranes and

respiratory system at high concentrations.

Inhalation of high concentrations may cause dizziness, disorientation, incoordination, narcosis, or

nausea or narcotic.

Summary of content (5 pages)

PAGE 1
. Material Safety Data Sheet Refrigerant R600a - ISOBUTANE Revision 09/04. 1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION Advanced Gas Technologies 1401 Stauffer Road Palm, PA 18070. Telephone Number: (215) 541-4116 MSDS IDENTIFICATION CODE / NUMBER: IA EMERGENCY TELEPHONE NUMBER CHEMTREC (800) 424-9300 PRODUCT NAME: Isobutane CAS NUMBER: 75-28-5 CHEMICAL FAMILY: Aliphatic hydrocarbon CHEMICAL FORMULA: C4 H 10 SYNONYMS: 2-Methylpropane, Trimethylmethane 2.
PAGE 2
. Page 2: Isobutane Continued This product may displace oxygen if released in a confined space. Maintain oxygen levels above 19.5% at sea level to prevent asphyxiation. Effects of oxygen deficiency resulting from simple asphyxiants may include: rapid breahing, diminished mental alertness, impaired muscular coordination, faulty judgement, depression of all sensations, emotional instability, and fatigue.
PAGE 3
. Page 3: Isobutane Continued Be cautious of a Boiling Liquid Evaporating Vapor Explosion, BLEVE, if flame is impinging on surrounding containers. Direct a 500 GPM water stream onto containers above the liquid level with remote monitors. Limit the number of personnel in proximity to the fire. Evacuate surrounding areas to at least 3000 feet in all directions. 6. ACCIDENTAL RELEASE MEASURES Evacuate all personnel from affected area. Use appropriate protective equipment.
PAGE 4
. Page 4: Isobutane Continued RESPIRATORY PROTECTION Positive pressure air line with full-face mask and escape bottle or self-contained breathing apparatus should be available for emergency use. OTHER / GENERAL PROTECTION Safety shoes,safety shower, eyewash. 9. PHYSICAL AND CHEMICAL PROPERTIES BASIC PHYSICAL PROPERTIES BOILING POINT: 10.9 oF -11.7 oC MELTING POINT: -255.3 oF -159.6 o C VAPOR PRESSURE: (@70 F) 45 psia VAPOR DENSITY (AIR=1): 2.
PAGE 5
. Page 5: Isobutane Contained 15. REGULATORY INFORMATION SARA TITLE III NOTIFICATIONS AND INFORMATION SARA TITLE III - HAZARD CLASSES: 16.