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

                                                                                                     3134

                                    ETHYL ETHYNYL ETHER, 50%



CHEMICAL NAME & SYNONYMS                                                DOT CLASS     SARA TITLE 313

Ethyl ethynyl ether, 50% in Hexanes;                                    3/II          No

ethoxy acetylene; Farchan Prod. No. 139734                              TSCA listed - No



FORMULA                             REPORTABLE QUANTITY                 F.W.          CAS#

HC/COCH 2CH 3 50%                           N/A                         70.09         927-80-0

C 6H 14 (mixed isomers)   50%             2270 kg                       86.18         110-54-3



PHYSICAL DATA

Density 0.802.    Boiling point 55-56°C.



APPEARANCE & ODOR

Clear colorless liquid, gasoline-like odor.



REACTIVITY & CONDITIONS TO AVOID

Stable. Incompatible with strong oxidizing materials, heat and sources of ignition.              Reported

to undergo explosive decomposition if heated above its boiling point to 100°C.                   Requires

refrigeration.



FIRE HAZARDS

Flammable liquid, will emit toxic fumes of carbon monoxide and carbon dioxide.             Firefighters

wear SCBA.



EXTINGUISHER                                                            FLASHPOINT    LEL   UEL

CO 2, ABC dry powder, foam, water spray or fog.                         -34°C         Not known



HEALTH HAZARDS

Vapors can be irritating to eyes and respiratory tract, hexane can be narcotic in high

concentration. Symptoms of over exposure to hexane -fatigue, loss of appetite, drowsiness,

dizziness, lung irritation, chest pain, headache, nausea, pulmonary edema, possibly fatal

narcosis. OSHA Std. (hexane) Air TWA 50 ppm. TLV 50 ppm. OSHA PEL not established for ethyl

ethynyl ether. LD 50(hexane)(oral-rat) 28710 mg/kg. LD 50(ethyl ethynyl ether)(oral-mouse) 2400

mg/kg. Hexane has experimental teratogenic, mutagenic and reproductive effects. No evidence

of carcinogenicity. This product is supplied for use in research and development only and must

be used by or under the supervision of a technically qualified individual.



FIRST AID

Remove contaminated clothing immediately and launder before reuse. Discard contaminated shoes.

For eyes, flush with plenty of water for at least fifteen minutes.     Seek medical attention

immediately.  For skin, wash thoroughly with soap and water, while removing clothing.     Seek

medical attention. For inhalation, remove to fresh air. If not breathing give mouth to mouth

resuscitation. If breathing is difficult, give oxygen. Seek medical attention at once. For

ingestion, give milk or water and seek medical attention at once.



SPECIAL PRECAUTIONS

Wear goggles, rubber gloves, protective clothing. Use only with adequate ventilation and/or

suitable respiratory protection. Avoid all contact. Requires refrigeration.



SPILLS & LEAKS

Remove ignition sources. Ventilate area. Equip personnel with respirator.              Take up spill in

absorbent and dispose to incinerator or other suitable hazardous waste.





CATALOG #                                                     PREPARED BY                   DATE

3134                                                              MDM                 February 20, 2004