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Section SIGMA ALDRICH Information contact Hazard EYE
                                  SIGMA-ALDRICH
      
                           MATERIAL SAFETY DATA SHEET
      
                                                    Date Printed: 02/19/2009
                                                    Date Updated: 02/19/2009
                                                               Version  1.5
      
      
      Section 1 - Product and Company Information
      
      Product Name                 SULFORHODAMINE 101
      Product Number               S7635
      Brand                        SIGMA
      
      Company                      Sigma-Aldrich Canada, Ltd
      Address                      2149 Winston Park Drive
                                   Oakville ON L6H 6J8 CA
      Technical Phone:             9058299500
      Fax:                         9058299292
      Emergency Phone:             800-424-9300
      
      Section 2 - Composition/Information on Ingredient
      
      Substance Name                          CAS #                 SARA 313
      SULFORHODAMINE 101                      60311-02-6            No
      
      Formula         C31H30N2O7S2
      
      Section 3 - Hazards Identification
      
      EMERGENCY OVERVIEW
         Caution: Avoid contact and inhalation.
      
      HMIS RATING
         HEALTH: 0
         FLAMMABILITY: 0
         REACTIVITY: 0
      
      NFPA RATING
         HEALTH: 0
         FLAMMABILITY: 0
         REACTIVITY: 0
      
      For additional information on toxicity, please refer to Section 11.
      
      Section 4 - First Aid Measures
      
      ORAL EXPOSURE
         If swallowed, wash out mouth with water provided person is
         conscious. Call a physician.
      
      INHALATION EXPOSURE
         If inhaled, remove to fresh air. If breathing becomes difficult,
         call a physician.
      
      DERMAL EXPOSURE
         In case of contact, immediately wash skin with soap and copious
         amounts of water.
      
      EYE EXPOSURE
         In case of contact with eyes, flush with copious amounts of
         water for at least 15 minutes. Assure adequate flushing by
         separating the eyelids with fingers. Call a physician.
      
      Section 5 - Fire Fighting Measures
      
      FLASH POINT
         N/A
      
      AUTOIGNITION TEMP
         N/A
      
      FLAMMABILITY
         N/A
      
      EXTINGUISHING MEDIA
         Suitable: Water spray. Carbon dioxide, dry chemical powder, or
         appropriate foam.
      
      FIREFIGHTING
         Protective Equipment: Wear self-contained breathing apparatus
         and protective clothing to prevent contact with skin and eyes.
         Specific Hazard(s): Emits toxic fumes under fire conditions.
      
      Section 6 - Accidental Release Measures
      
      PROCEDURE(S) OF PERSONAL PRECAUTION(S)
         Exercise appropriate precautions to minimize direct contact with
         skin or eyes and prevent inhalation of dust.
      
      METHODS FOR CLEANING UP
         Sweep up, place in a bag and hold for waste disposal. Avoid
         raising dust. Ventilate area and wash spill site after material
         pickup is complete.
      
      Section 7 - Handling and Storage
      
      HANDLING
         User Exposure: Avoid inhalation. Avoid contact with eyes, skin,
         and clothing. Avoid prolonged or repeated exposure.
      
      STORAGE
         Suitable: Keep tightly closed.
      
      Section 8 - Exposure Controls / PPE
      
      ENGINEERING CONTROLS
         Safety shower and eye bath. Mechanical exhaust required.
      
      PERSONAL PROTECTIVE EQUIPMENT
         Respiratory: Use respirators and components tested and approved
         under appropriate government standards such as NIOSH (US) or CEN
         (EU). Respiratory protection is not required. Where protection
         from nuisance levels of dusts are desired, use type N95 (US) or
         type P1 (EN 143) dust masks.
         Hand: Protective gloves.
         Eye: Chemical safety goggles.
      
      GENERAL HYGIENE MEASURES
         Wash thoroughly after handling.
      
      Section 9 - Physical/Chemical Properties
      
      
      
      SIGMA - S7635                  www.sigma-aldrich.com          Page   2
      Appearance              Color: Second.
                              Form: Powder
      
      Property                Value               At Temperature or Pressure
      
      Molecular Weight        606.7 AMU
      pH                      N/A
      BP/BP Range             N/A
      MP/MP Range             N/A
      Freezing Point          N/A
      Vapor Pressure          N/A
      Vapor Density           N/A
      Saturated Vapor Conc.   N/A
      SG/Density              N/A
      Bulk Density            N/A
      Odor Threshold          N/A
      Volatile%               N/A
      VOC Content             N/A
      Water Content           N/A
      Solvent Content         N/A
      Evaporation Rate        N/A
      Viscosity               N/A
      Surface Tension         N/A
      Partition Coefficient   N/A
      Decomposition Temp.     N/A
      Flash Point             N/A
      Explosion Limits        N/A
      Flammability            N/A
      Autoignition Temp       N/A
      Refractive Index        N/A
      Optical Rotation        N/A
      Miscellaneous Data      N/A
      Solubility              N/A
      
      N/A = not available
      
      Section 10 - Stability and Reactivity
      
      STABILITY
         Stable: Stable.
         Materials to Avoid: Strong oxidizing agents.
      
      HAZARDOUS DECOMPOSITION PRODUCTS
         Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide,
         Nitrogen oxides, Sulfur oxides.
      
      HAZARDOUS POLYMERIZATION
         Hazardous Polymerization: Will not occur
      
      Section 11 - Toxicological Information
      
      ROUTE OF EXPOSURE
         Skin Contact: May cause skin irritation.
         Skin Absorption: May be harmful if absorbed through the skin.
         Eye Contact: May cause eye irritation.
         Inhalation: Material may be irritating to mucous membranes and
         upper respiratory tract. May be harmful if inhaled.
         Ingestion: May be harmful if swallowed.
      
      SIGNS AND SYMPTOMS OF EXPOSURE
         To the best of our knowledge, the chemical, physical, and
         toxicological properties have not been thoroughly investigated.
      
      
      SIGMA - S7635                  www.sigma-aldrich.com          Page   3
      
      Section 12 - Ecological Information
      
      No data available.
      
      Section 13 - Disposal Considerations
      
      APPROPRIATE METHOD OF DISPOSAL OF SUBSTANCE OR PREPARATION
         Contact a licensed professional waste disposal service to dispose
         of this material. Dissolve or mix the material with a combustible
         solvent and burn in a chemical incinerator equipped with an
         afterburner and scrubber. Observe all federal, state, and local
         environmental regulations.
      
      Section 14 - Transport Information
      
      DOT
         Proper Shipping Name: None
         Non-Hazardous for Transport: This substance is
         considered to be non-hazardous for transport.
      
      IATA
         Non-Hazardous for Air Transport: Non-hazardous for air
         transport.
      
      Section 15 - Regulatory Information
      
      EU ADDITIONAL CLASSIFICATION
         S: 22-24/25
         Safety Statements: Do not breathe dust. Avoid contact with skin
         and eyes.
      
      US CLASSIFICATION AND LABEL TEXT
         US Statements: Caution: Avoid contact and inhalation.
      
      UNITED STATES REGULATORY INFORMATION
         SARA LISTED: No
      
      CANADA REGULATORY INFORMATION
         WHMIS Classification: This product has been classified in
         accordance with the hazard criteria of the CPR, and the MSDS
         contains all the information required by the CPR.
         DSL: No
         NDSL: Yes
      
      Section 16 - Other Information
      
      DISCLAIMER
         For R&D use only. Not for drug, household or other uses.
      
      WARRANTY
         The above information is believed to be correct but does not
         purport to be all inclusive and shall be used only as a guide. The
         information in this document is based on the present state of our
         knowledge and is applicable to the product with regard to
         appropriate safety precautions. It does not represent any
         guarantee of the properties of the product. Sigma-Aldrich Inc.,
         shall not be held liable for any damage resulting from handling or
         from contact with the above product. See reverse side of invoice
         or packing slip for additional terms and conditions of sale.
         Copyright 2009 Sigma-Aldrich Co. License granted to make unlimited
         paper copies for internal use only.
      
      SIGMA - S7635                  www.sigma-aldrich.com          Page   4