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

                                                                                                                     2464

                                       PHENYLMERCURIC NITRATE, BASIC



CHEMICAL NAME & SYNONYMS                                                            DOT CLASS        SARA TITLE 313

Phenylmercuric Nitrate, Basic                                                       6.1/II           Yes Hg cmpds.

                                                                                    TSCA listed - No



FORMULA                    REPORTABLE QUANTITY                                      F.W.              CAS#

(C6H5Hg)2NO3OH                        N/A                                           634.42            8003-05-2



PHYSICAL DATA

White to off-white powder. Odorless.



APPEARANCE & ODOR

Melting point 176EC. Insoluble in water.



REACTIVITY & CONDITIONS TO AVOID

Stable when protected from light. Light sensitive. Incompatible with strong acids and strong oxidizers.



FIRE HAZARDS

Not flammable, but may decompose in general fire emitting mercury and phenylmercury vapors. Firefighters wear

SCBA.



EXTINGUISHER                                                                        FLASHPOINT        LEL     UEL

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



HEALTH HAZARDS

Toxic if inhaled, swallowed, or absorbed through skin. Irritating to skin, eyes and mucous membranes. LD50 (scu-rat) 63

mg/kg. Effects of mercury poisoning: Acute-severe nausea, abdominal pain, bloody diarrhea, kidney damage and death.

Chronic-CNS disturbances, muscle tremors, loss of memory, irritability, depression, insomnia, gum disease, possible

irrationality or insanity. These symptoms usually disappear with time after exposure ceases. OSHA PEL: Ceiling 100 ug

Hg/m3. ACGIH PEL:TWA 25 ug Hg/m3 (skin). Warning: This product contains a chemical known to the state of

California to cause birth defects or other reproductive harm.



SPECIAL PRECAUTIONS

Wear goggles, rubber gloves and protective clothing while handling. Use suitable ventilation and/or a respirator approved

for mercury vapors. Avoid all contact.



FIRST AID

Wash skin and eyes thoroughly with water after contact. For eyes, get medical attention. If swallowed, give milk or milk

of magnesia and induce vomiting. If symptoms of chronic exposure develop, get medical attention.



SPILLS & LEAKS

Take up spill in suitable absorbant and dispose to hazardous waste. Wash up with water. Do not allow this material to

enter sewer systems or waterways.







CATALOG #                                                           PREPARED BY                               DATE

2464                                                                           MDM                    May 4, 1999