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

                                                                                                   3194

                                              2-HEXYNE



CHEMICAL NAME & SYNONYMS                                                DOT CLASS     SARA TITLE 313

2-Hexyne                                                                3/II          No

                                                                        TSCA listed - No



FORMULA                             REPORTABLE QUANTITY                 F.W.          CAS#

CH 3CH 2CH 2C/CCH 3                         N/A                         82.15         764-35-2



PHYSICAL DATA

Density 0.73; Boiling point 84°C.



APPEARANCE & ODOR

Clear colorless to slightly yellow liquid.



REACTIVITY & CONDITIONS TO AVOID

Stable. Avoid flame and sources of ignition. Incompatible with strong oxidizing materials.



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.                         -14°C (est)   Not known



HEALTH HAZARDS

May be irritating to skin, eyes and mucous membrane. May be harmful if swallowed, inhaled or

absorbed through the skin. The HEALTH RISKS of this product HAVE NOT BEEN FULLY DETERMINED. This

product must only be used under conditions of PRUDENT LABORATORY PRACTICE as described at 40

CFR 720.36. This product is supplied SOLELY for use in RESEARCH AND DEVELOPMENT by or under the

supervision of a TECHNICALLY QUALIFIED INDIVIDUAL, Who should be FULLY COGNIZANT of the

procedures for working with chemical products of this type as described at 40 CFR 720.36. No

LD/TD data found. OSHA PEL/ACGIH TLV not established. This material is not a listed carcinogen.

It DOES NOT indicate absence of carcinogenicity.



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, 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.



SPILLS & LEAKS

Ventilate area. Equip personnel with respirator. Take up spill in absorbent and dispose to

incinerator or other suitable hazardous waste.





CATALOG #                                                     PREPARED BY                   DATE

3194                                                              MDM                      May 23, 2005