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

                                                                                                                      1914

                                          GUANIDINE HYDROCHLORIDE



CHEMICAL NAME & SYNONYMS                                                            DOT CLASS          SARA TITLE 313

Guanidine Hydrochloride                                                             NR                 No

                        TSCA - Yes



FORMULA                                                                             F.W.               CAS#

NH2C(NH)NH2.HCl                                                                     95.53              50-01-1



PHYSICAL DATA

M.p 183 C; very soluble in water.



APPEARANCE & ODOR

White crystalline powder. Odorless.



REACTIVITY & CONDITIONS TO AVOID

Stable. No hazardous self-reactivity. Incompatible with oxidizers.



FIRE HAZARDS

Will be consumed in general fire. Firefighters wear SCBA.



EXTINGUISHER                                                                        FLASHPOINT         LEL         UEL

CO2, dry chemical or foam.                                                          N/A                N/A         N/A



HEALTH HAZARDS

Irritating to skin, eyes and mucous membranes. Toxic by ingestion, inhalation or injection. LD50 (ipr-mouse) 500 mg/kg.

LDLo (scu-rat) 404 mg/kg. No oral LD/TD found. Mutagenic data. Symptoms of overexposure: nausea, diarrhea,

nervous system. PEL/TLV not established. No evidence of carcinogenicity.



SPECIAL PRECAUTIONS

Wear goggles and rubber gloves while handling.



FIRST AID

Wash contact area thoroughly with water. If eye irritation persists, see a physician. If swallowed, give water or milk and

induce vomiting. Call a physician.



SPILLS & LEAKS

Take up with absorbent. Disposal to incinerator. Wash up with water.







CATALOG #                                                                           PREPARED BY                   DATE

1914                                                                                LM                           12/26/96