Material Safety Data Sheet

THIS PRODUCT IS A CHEMICAL SUBSTANCE, AND IS INTENDED TO BE USED BY PERSONS

HAVING CHEMICAL KNOWLEDGE AND SKILL, AT THEIR OWN DISCRETION AND RISK.



IDENTITY:         TMBZ-PS



Section 1.        Chemical Identification

Trade Name:       TMBZ-PS

Manufacturer:     Dojindo Laboratories

Address:          Kumamoto Techno Research Park, Tabaru 2025-5 Mashiki-machi, Kamimashiki-gun, Kumamoto

                  861-2202, JAPAN

Telephone:        +81-96-286-1515

Data prepared:    August 30, 2001



Section 2.      Composition/ Information on Ingredients

Chemical Name:       N-(3-Sulfopropyl)-3,3',5,5'-tetramethylbenzidine,sodium salt

CAS Registry #:      02062-46-4, 102062-36-2(free acid)



Section 3.        Health Hazard Data

Route(s) of Entry:

                  Inhalation? Yes;              Skin? Yes;       Ingestion? Yes

Health Hazards (Acute and Chronic):             May be harmful by inhalation, ingestion or skin absorption.

Causes eye and skin irritation. Material is irritating to mucous membranes and upper respiratory tract.

Signs and Symptoms of Exposure: Not available

Medical Conditions Generally Aggravated by Exposure: Not available



Section 4.         First Aid Procedure

In case of contact with eyes, immediately flush eyes with copious amounts of water for at least 15 minutes. In case of

contact, immediately wash skin with soap and copious amounts of water. Assure adequate flushing of the eyes by

separating the eyelids with fingers. If inhaled, remove to fresh air. If not breathing, give artificial respiration. If

breathing is difficult, give oxygen. If ingested, wash out mouth with water. Call physician. Discard contaminated

clothing and shoes.



Section 5.        Fire and Explosion Hazard Data

Flash Point (Method Used):        Not available

Flammable Limits:                 Not available

Extinguishing Media:              Carbon dioxide, dry chemical powder, foam and water

Special Fire Fighting Procedures:          Wear protective clothing, respirator, chemical safety goggles, rubber boots

                                           and heavy rubber gloves.

Unusual Fire and Explosion Hazards:        Fire may produce irritating or poisonous gases.



Section 6.       Accidental Release Measures

Steps to be Taken in Case Material is Released or Spilled:

Wear self-contained breathing apparatus, rubber boots and heavy rubber gloves. Evacuate the area. Sweep up, place in a

bag and hold for waste disposal. Ventilate the area and wash the spill site after material pickup is complete. Avoid

raising dust.



Section 7.        Handling and Storage

Wear appropriate NIOSH/ MSHA-approved respirator, chemical-safety goggles, chemical-resistant gloves, other

protective clothing. Mechanical exhaust required. Use only in a chemical fume hood. Safety shower and eye bath. Face

shield. Do not breathe the dust. Do not get in eyes, on skin or on clothing. Wash thoroughly after handling. Irritant.

Harmful solid. Avoid all contact. Avoid prolonged or repeated exposure.

Other Precautions:        Keep tightly closed. Protect from light and air. Store in a cool, dark and dry place.

                          Packaged in Nitrogen gas.



Section 8.        Exposure Controls/ Personal Protection

Respiratory Protection (Specify Type):     Necessary

Ventilation, Local Exhaust:        Chemical fume hood

Mechanical (General):     Necessary

Protective Gloves:        Chemical-resistant gloves

Eye Protection:           Chemical-safety goggles

Other Protective Clothing or Equipment:    Necessary

Work/ Hygienic Practices:          Wash thoroughly after handling. Access to safety shower and eye-wash required.

                                   Do not permit eating, drinking or smoking near the material.



Section 9.        Physical/ Chemical Characteristics

                                    220-248 oC (dec.)

Melting Point:

Boiling Point:                      Not available

Specific Gravity (water=1):         Not available

Vapor Pressure:                     Not available

Vapor Density (air=1):              Not available

Evaporation Rate (butyl acetate=1): Not available

Solubility in water:                Soluble

Appearance and Odor:                White or pale yellow powder



Section 10.       Reactivity Data

Stability:        Stable

Conditions to Avoid:       Heat, sunlight and high temperature

Incompatibility (Materials to Avoid):        Strong oxidizing agents,strong acids and strong bases.

Hazardous Decomposition or Byproducts: When decomposed, it may emit toxic fumes of carbon monoxide, carbon

                                             dioxide nitrogen oxides and sulfur oxides.

Hazardous Polymerization:           Will not occur



Section 11.        Toxicological Information

Acute Effects:     Data not available

Chronic Effects:   Data not available

Carcinogenicity:   Data not available

RTECS #:           No.DV2300000,RP5425000



Section 12.       Ecological Information

Data not available



Section 13.       Disposal Consideration

Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an after

burner and scrubber.



Section 14.        Transport Information

Not regulated



Section 15.        Regulatory Information

Not applicable



Section 16.        Other Information



THE ABOVE INFORMATION IS BELIEVED TO BE CORRECT BUT DOES NOT PURPORT TO BE

ALLINCLUSIVE AND SHALL BE USED ONLY AS A GUIDE. DOJINDO LABORATORIES SHALL NOT

BE HELD LIABLE FOR ANYDAMAGE RESULTING FROM HANDING OR FROM CONTACT WITH THE

ABOVE MATERIAL.