GFS CHEMICALS, INC.

                                    P.O. Box 245 Powell, OH 43065

                                 740-881-5501(Tel.) 740-881-5989(Fax)

                                 1-800-424-9300(Chemtrec 24Hr. Info.)



                                 MATERIAL SAFETY DATA SHEET

                                                                                                   1155

                                            IODOETHANE



CHEMICAL NAME & SYNONYMS                                                DOT CLASS     SARA TITLE 313

Iodoethane; Ethyl Iodide                                                NR            No

                                                                        TSCA listed - Yes



FORMULA                            REPORTABLE QUANTITY                  F.W.          CAS#

C 2H 5I                                    N/A                          155.97        75-03-6



PHYSICAL DATA

Boiling point 72°C; Melting point -108°C; Density 1.93. Vapor pressure 100 mm at 18°C; Vapor

density 5.38.



APPEARANCE & ODOR

Clear colorless liquid. Characteristic odor.



REACTIVITY & CONDITIONS TO AVOID

Stable if properly stored. Turns brown on exposure to light. May react with water or steam to

produce toxic and corrosive fumes. Incompatible with oxidizers. For best shelf life store over

copper in a well sealed bottle under nitrogen.



FIRE HAZARDS

Combustible material. Will burn in air if ignited. Avoid inhalation of smoke.

Firefighters wear SCBA. NFPA # 3-1-1.



EXTINGUISHER                                                            FLASHPOINT    LEL   UEL

CO 2, chemical or water spray.                                          72°C          N/A   N/A



HEALTH HAZARDS

Moderately irritating to skin and eyes and mucous membranes. Inhalation toxicity is low.

Narcotic in high concentrations. LC 50(ihl-rat) 65000 mg/m 3/30M. May be harmful if swallowed or

absorbed through the skin. Mutagenic data reported. No evidence of carcinogenicity.



SPECIAL PRECAUTIONS

Wear rubber gloves and eye protection while handling. Use only with adequate ventilation. Store

in well sealed bottle with copper and inert gas.



FIRST AID

External-wash skin and eyes thoroughly with water. Inhalation-remove to fresh air. If breathing

is difficult, give oxygen, if breathing has stopped, give artificial respiration. Get medical

assistance. If swallowed, give water or milk to drink and get medical attention.



SPILLS & LEAKS

Contain spill, ventilate area, take up spill in absorbent and sweep. Disposal to incinerator

or other suitable method.





CATALOG #                                                     PREPARED BY                   DATE

1155                                                              MDM                  January 26, 2005