OFI TESTING EQUIPMENT, INC.                                          Effective Date:02/22/02



                                  MATERIAL SAFETY DATA SHEET

                            SECTION I         - PRODUCT IDENTIFICATION

Chemical Name:              BROMOCRESOL GREEN - METHYL ORANGE SOLUTION

Trade Name:                 BROMOCRESOL GREEN - METHYL ORANGE SOLUTION

OFI Part No.                240-05

Chemical Family:            Tetrabromo-m-cresolsulfonphthalein and benzoic acid, sodium salt in aqueous solution

Formula:

                            SECTION II        - HAZARDOUS CONSTITUENTS

CAS #:                                CHEMICAL NAME

547-58-0                    Methyl Orange Sodium Salt     0.01 to 0.02%

62625-32-5                  Bromocresol Green Sodium Salt  0.05 to 0.23%

                            SECTION III - PHYSICAL PROPERTIES

                            Dark Blue - Green / Odorless

Appearance / Odor:

                            Completely Soluble in Water

Solubility:

                            1.0

Specific Gravity:

                            No Information Found

pH:

                            No Information Found

% Volatiles by Vol.:

                            32 0 F ( 0 0C)

Melting Point:

                            212 0 F ( 100 0C)

Boiling Point:

                            Essentially the Same as Water.

Vapor Density (Air=1):

                            Essentially the Same as Water.

Vapor Pressure (mmHg):

                            SECTION IV       - FIRE, EXPLOSION AND REACTIVITY

Fire:                       Not Considered to be a Fire Hazard.



Explosion:                  Not Considered to be an Explosion Hazard.

Fire Extinguishing Media:   Use any Means Suitable for Extinguishing Surrounding Fire.

Special Information:        Use Protective Clothing and Breathing Equipment Appropriate for the Surrounding Fire.









General Reactivity:         Stable Under Ordinary Conditions of Use and Storage.

Hazardous Decomposition:    No Hazardous Decomposition Products.







Incompatibilities:          No Incompatibility Data Found.







                            Will Not Occur.

Hazardous Polymerization:

                            SECTION V      - HEALTH HAZARD INFORMATION

Inhalation:                 No Adverse Health Effects Expected from Inhalation.









Ingestion:                  Large Doses may Cause Stomach Upset.









Skin:                       Not Expected to be a Health Hazard. May Cause Slight Irritation.







Eye Contact:                Splashes may Cause Irritation.







Chronic Exposure:           No Information Found.

                            SECTION V       - HEALTH, HAZARD INFORMATION (cont.)

Carcinogenic References:    NTP Carcinogen - Known: No, IARC Category- None



Aggravated by Exposure:     No Information Found.



                            SECTION VI - EMERGENCY & FIRST AID PROCEDURES

Inhalation:                 Not Expected to Require First Aid Measures



Ingestion:                  If Large Amounts were Swallowed, Give Water to Drink and Get Medical Advice.



Skin:                       Wash Exposed area with Soap and Water. Get Medical Advice if Irritation Develops.



Eyes:                       In case of Contact, Immediately Flush Eyes with Plenty of Water for at Least 15 Minutes, Lifting

                            Upper and Lower Eyelids Occasionally. Call a Physician if Irritation Persists.

                            SECTION VII - INDUSTRIAL HYGIENE MEASURES

Ventilation System:         Not Expected to Require any Special Ventilation.









Airborne Exposure Limits:   None Established.

Personal Respirators:       Not Expected to Require Personal Respirator Usage.

(NIOSH APPROVED)









Skin Protection:            Wear Protective Gloves and Clean Body-Covering Clothing.



Eye Protection:             Use Chemical Safety Glasses. Maintain Eye Wash Fountain and Quick-Drench Facilities in

                            Work Area.

                            SECTION VIII - INDUSTRIAL HYGIENE MEASURES

Accidental Release:         Ventilate Area of Leak or Spill. Wear Appropriate Personal Protective Equipment as Specified

                            in Section 7. Contain and Recover Liquid when Possible. Collect Liquid in an Appropriate

                            Container or Absorb with an Inert Material (e.g., Vermiculite, Dry Sand, Earth), and Place in a

                            Chemical Waste Container. Do Not Use Combustible Materials, such as Saw Dust.

Disposal:                   Dilute with Water and Flush to Sewer if Local Ordinances allow, Otherwise, Whatever Cannot

                            be saved for recovery or recycling should be managed in an appropriate and approved waste

                            Disposal Facility. Processing, use or Contamination of this product may change the waste

                            management options. State and Local Disposal Regulations may Differ from Federal

                            Disposal Regulations. Dispose of Container and Unused Contents in Accordance with

                            Federal, State and

Environmental Fate:         Local Requirements.

                            No Information Found.

                            SECTION IX - SPECIAL PRECAUTIONS

Handling and Storage:       Keep in a Tightly Closed Container, Stored in a Cool, Dry, Ventilated Area. Protect against

                            Physical Damage. Protect from Freezing and Direct Sunlight.

                            SECTION X       - DOT SHIPPING REQUIREMENTS

Shipping Name:

Hazard Class:               NOT REGULATED

Identification No.:         NOT REGULATED

NFPA Rating:                HEALTH-0, FLAMMABILITY-0, REACTIVITY-0

                            SECTION XI      - IN CASE OF EMERGENCY

(713) 880 - 9884                  OFI TESTING EQUIPMENT, INC. - Regular Business Hours

(713) 880 - 9885                  OFI TESTING EQUIPMENT, INC. - After Regular Business Hours