Date 2/1/98
MATERIAL SAFETY DATA SHEET (MSDS)

NEWMAN LAMPERT MILK SMEAR STAIN --- LW MODIFICATION

SECTION 1 - Identification
Product Name    Milk Smear Stain                                    Manufacturer's Name       Applied Research Institute          Chemical Name    methylene Blue                                    Manufacturer's Address    3 N Simm Lane             
Chloride in 1,1,2,2 Tetrachlorethenane & Ethanol            Newtown, CT 06470                                                
   (denatured)                                                                  Telephone Number (908) 442-1888                         
Chemical Family Hydrocarbon & Chlorinated Solvent

SECTION 2 - Hazard Rating                                                                                                      Corrosive     
Hazard Classification:          Health    Poisonous            Flammability                            Reactivity                      
Composition:   Component                     Concentration                                                     Criterion & Value     
1,1,2,2 Tetrachlorethane                                44%                                                            TLV (skin)       5ppm 
Methanol                                                         2%                                                            TLV              200ppm
Glacial Acetic Acid                                         .5%                                                                                              
Ethanol                                                           49%                                                            TLV             1000ppm

SECTION 3 - Physical Properties
Appearance and Odor     Blue liquid with sweet odor                                                                                           
Boiling Point ( F) 176          Specific Gravity (Water = 1) 1.2           Solubility in Water   60%                               
Vapor Pressure (mmHg)    6      Vapor Density (Air = 1) 3.7          Evaporation Rate ( = 1)                                  
Reacts if Exposed to:    Light NO      Air NO     Heat YES      Water NO        Strong Oxidizer     YES                   

SECTION 4 - Fire or explosion Data           Flash Point ( F)    55  
                       Autoignition Temperature      ( F)     95 EST           
                       LEL (%)    8.6 (calculated)    UEL (%)  18.8 (calculated)
Extinguishing Media   Carbon Dioxide or dry chemical                                                                                           
                                                                                                                                                                             
Special Firefighting Procedure  Self contained breathing equipment                                                                        
                                               should be used                                                                                                       
Unusual Fire or Explosion Protection May decompose to toxic and corrosive vapors when in contact with a red hot surface                                                                                                                                                                     

SECTION 5 - Health Data
TLV        11 ppm                              Criterion          1,1,2,2 Tetrachlorethane content                                            
Effects of Overexposure May cause lacrimation, vomiting, diarrhea, headache, dizziness, cramps, unconsciousness & death-suspected carcinogen.                                                                                                                                     
Emergency and First Aid Procedures
            Ingestion Get medical help immediately, induce vomiting                                                                             
            Inhalation   Remove to fresh air.  If not breathing give artificial respiration.  Get medical help promptly.       
            Skin Remove contaminated clothing.  Wash with warm water and soap. .                                                   
            Eye   Hold   eyes open, wash with clear clean water for at least 15 minutes.   Get medical help.                     

Irritant:     Skin    Primary                Eye  Primary                  Inhalation    primary   

SECTION 6 - Reactivity
Stable               X            Unstable                         Conditions to Avoid Contact with Hot Surface                           
Incompatibly     Reacts violently with such metals as Sodium, Potassium and strong alkalies                                    
                                                                                                                                                                              
Hazardous Decomposition Products  HCL, Phosgene and other Toxic Substances                                                   
                                                                                                                                                                              
Hazardous Polymerization:   No   X         Yes               Conditions to Avoid                                                              
                                                                                                                                                                              
Corrosive:  No            Yes     X    Materials                                                                                                           
                                                                                                                                                                              

SECTION 7 - Spills and Leaks
Steps to be Taken in Case Material is Released or Spilled   Evacuate area, ventilate and clean up by mopping or using absorbent.                                                                
Waste or Disposal Precautions Dispose in accordance with all Federal, State and Local regulations                           

SECTION 8 - Special Protection
Respirators: No          Yes   X     Type Canister type approved for organic vapors                                                 
Ventilation: Use the guidelines recommended by the American Conference of Governmental Industrial Hygienists
in the current edition of "Industrial Ventilation", considering the TLV, Lower Explosive (Flammable) Limit 
& conditions under which this product is used.
Gloves   Poly vinyl alcohol                          Other                                                                                                   
Eye Protection    Goggles                                                                                                                                      

SECTION 9 - Special Precautions
Handling & Storage    Store in well ventilated cool location                                                                                     
                                                                                                                                                                             
DOT Hazard Label Required:  No              Yes    X     Specify    Flammable Liquid                                               
                                                                                                   Poison                                                                
Other Precautions  Avoid contact with vapor.  Do not eat, drink or smoke while handling this chemical.                   

This MSDS was provided by Applied Research Institute, Newtown, CT.   Applied Research Products Ltd. is not responsible for any errors or omissions.