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

                                                                                              2984

                            TETRABUTYLAMMONIUM HYDROXIDE SOLUTION



CHEMICAL NAME & SYNONYMS                                       DOT CLASS     SARA TITLE 313

Tetrabutylammonium Hydroxide, 40% Solution                     8/II          No

                                                               TSCA listed - yes



FORMULA                           REPORTABLE QUANTITY          F.W.            CAS#

(C 4H 9) 4NOH   40%                       N/A                  259.48          2052-49-5

H 2O             60%                      N/A                  18.02           7732-18-5



PHYSICAL DATA

Density 1.0; Vapor pressure 17.5 mm Hg at 20°C;   Vapor density 1.0; pH >13.



APPEARANCE & ODOR

Clear liquid. Odorless. Solids may form which will redissolve upon heating to about 40°C.



REACTIVITY & CONDITIONS TO AVOID

Stable. Alkaline reaction. Incompatible with acids, oxidizers.   No hazardous self-reactivity.



FIRE HAZARDS

Not flammable or combustible. Will evaporate in general fire conditions.    Avoid inhalation of

vapors. Firefighters wear SCBA. NFPA # 2-0-1.



EXTINGUISHER                                                   FLASHPOINT      LEL     UEL

Fight surrounding fire.                                        N/A             N/A     N/A



HEALTH HAZARDS

Corrosive, caustic to skin, eyes and tissue. Causes chemical burns. LD Lo (scu-mouse) 19 mg/kg.

Danger orally is in the caustic nature of the product. LD/TD no further data. No evidence of

carcinogenicity.



SPECIAL PRECAUTIONS

Use rubber gloves and goggles or face shield while handling.   Safety shower in area.



FIRST AID

Wash skin or eyes thoroughly with water. Get medical attention for eyes. If swallowed, give

water or milk to drink, ice to suck and get medical assistance. DO NOT induce vomiting.



SPILLS & LEAKS

Spills can be neutralized with a weak acid diluted with water. Mop up and dispose to sanitary

sewer. Alternately the spill may be taken into an absorbent and incinerated. Do not dispose

to surface waters.





CATALOG #                                                PREPARED BY                   DATE

2984                                                         MDM                     July 16, 2004