MATERIAL SAFETY DATA SHEET

                         Part # PHFS-1047



SECTION I: GENERAL INFORMATION

                Reference Fill Solution, 0.1M NH4Cl & Saturated Ag

PRODUCT NAME:



CHEMICAL NAME: Ammonium Chloride/Silver Chloride in Water

CHEMICAL FAMILY: salt solution

DOT SHIPPING INFO: none

IATA SHIPPING INFO: none





SECTION II: INGREDIENTS

CAS NO.          %       CHEMICAL NAME(S)    LD50(mg/kg)      OSHA/PEL

                                               oral-rat       ACGIH TLV

                                                               20 mg/m3

12125-02-9       0.5%    Ammonium Chloride    1650



7783-90-6       0.001%   Silver Chloride      330              none



7732-18-5       99.049% Water                 -                none





SECTION III: PHYSICAL DATA

                  o

BOILING POINT: 100 C

SPECIFIC GRAVITY: 1.03

VAPOR PRESSURE: N/A

FREEZING POINT: -4oC

VAPOR DENSITY: N/A

pH: 5-8

WATER SOLUBILITY: Soluble

APPEARANCE & ODOR: Clear, odorless liquid





SECTION IV: FIRE & EXPLOSION HAZARD DATA

FLASHPOINT: Not flammable

AUTOIGNITION TEMPERATURE: N/A

EXTINGUISHING MEDIA: Any

                                      Self        contained   breathing

SPECIAL FIRE FIGHTING PROCEDURES:

apparatus should be worn.

UNUSUAL FIRE & EXPLOSION HAZARDS: N/A

SECTION V: HEALTH HAZARD DATA

EFFECTS OF OVEREXPOSURE: Respiratory and stomach ailments.

EMERGENCY & FIRST AID:

EYES & SKIN: Skin-wash off with water. Eyes-irrigate with water

lifting the eye lids occasionally.

                        Dilute with large amount of water and

INGESTION/INHALATION:

consult a physician.





SECTION VI: REACTIVITY DATA

STABLE: yes

CONDITIONS TO AVOID: Heat or flame

INCOMPATIBILITY: Oxidizers, Br, F3, KClO3, hypochlorite bleaches,

NH4, NO3

HAZARDOUS DECOMPOSITION PRODUCTS: Emits toxic fumes when heated to

decomposition.

HAZARDOUS POLYMERIZATION: Will not occur.





SECTION VII: SPILL OR LEAK PROCEDURES

STEPS TO BE TAKEN: Vacuum up and set aside for waste disposal.

WASTE DISPOSAL METHOD: Observe all federal, state, and local laws

when disposing of this product.





SECTION VIII: SPECIAL PROTECTION INFORMATION

RESPIRATORY PROTECTION: N/A

VENTILATION: N/A

PROTECTIVE GLOVES: N/A

EYE PROTECTION: Safety goggles

OTHER PROTECTIVE EQUIPMENT: Lab coat





SECTION IX: SPECIAL PRECAUTIONS

PRECAUTIONS TO BE TAKEN IN HANDLING & STORAGE: Keep well sealed

and store away from heat or oxidizers.     Ammonium Chloride is a

CERCLA hazard and is subject to reporting under Section 304 of SARA

Title III.

OTHER PRECAUTIONS: No eating or drinking while working with this

product.    NFPA Rating (0-4): Health-1, Fire-0, Reactivity-0,

Specific-none.





ISSUE DATE: April 17, 2003