Material Safety Data Sheet
2,4,6-Trimethylbenzenesulfonyl chloride 
Section 1 - Chemical Product and Company Identification
MSDS Name: 2,4,6-Trimethylbenzenesulfonyl chloride
Catalog Numbers: 86-34693

Section 2 - Composition, Information on Ingredients 
CAS# 773-64-8
Chemical Name: 2,4,6-Trimethylbenzenesulfonyl chloride 
Percent  98%
EINECS/ELINCS:212-257-8
Hazard Symbols: C
Risk Phrases: 34-29

Section 3 - Hazards Identification 
EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.Light sensitive.

Potential Health Effects
Inhalation: May be harmful if inhaled. Material is extremely destructive to the tissue of the mucous membranes and upper respiratory tract.
Skin: May be harmful if absorbed through skin. Causes skin burns.
Eyes: Causes eye burns.
Ingestion: May be harmful if swallowed. Causes burns.

Section 4 - First Aid Measures
Ingestion: Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin: Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.

Section 5 - Fire Fighting Measures 
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media: In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Section 6 - Accidental Release Measures 
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:Vacuum or sweep up material and place into a suitable disposal container.

Section 7 - Handling and Storage 
Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Store protected from light. Wash clothing before reuse.
Storage: Store in cool place. Keep container tightly closed in a dry and well-ventilated place.Store under inert gas. Moisture sensitive.

Section 8 - Exposure Controls, Personal Protection 
Engineering Controls: Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits. Use process enclosure, local exhaust ventilation, or other engineering controls to control airborne levels.

Personal Protective Equipment
Eyes: Wear safety glasses and chemical goggles if splashing is possible.
Skin: Wear safety glasses and chemical goggles if splashing is possible.
Clothing: Wear appropriate protective clothing to minimize contact with skin.
Respirators: Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.

Section 9 - Physical and Chemical Properties 
Physical State: White
Color: Crystalline
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.  
Viscosity: Not available.
Boiling Point: 150°C/20mm
Melting point: 55-57 °C(lit.)
Autoignition Temperature: Not available
Flash Point: >230 °F 
Explosion Limits: Lower: Not available
Explosion Limits: Upper: Not available
Decomposition Temperature: Not available. 
Water Solubility: insoluble

Specific Gravity/Density: Not available.
Molecular Formula: C9H11ClO2S
Molecular Weight: 218.7

Section 10 - Stability and Reactivity 
Chemical Stability: Stable under normal temperatures and pressures.
Conditions to Avoid:Incompatible materials, light.
Incompatibilities with Other Materials: Strong oxidizing agents, strong bases.
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, hydrogen iodide.
Hazardous Polymerization:Has not been reported.

Section 11 - Toxicological Information
RTECS#: DB8930000
CAS# 773-64-8:  
LD50/LC50: RTECS: DB8930000
Carcinogenicity:
2,4,6-Trimethylbenzenesulfonyl chloride , 98%- Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Other Studies: The toxicological properties have not been fully investigated.
WGK Germany : 3
PackingGroup : II

Section 12 - Ecological Information 
Nor available

Section 13 - Disposal Considerations 
Dispose of in a manner consistent  with federal, state, and local regulations.

Section 14 - Transport Information 
Shipping Name: Not regulated

Section 15 - Regulatory Information 
European/International Regulations
      European Labeling in Accordance with EC Directives
           Hazard Symbols: C
           Risk Phrases:
                   R34 Causes burns
                   R29 Contact with water liberates toxic gas
           Safety Phrases:
                   S22: Do not breathe dust
                   S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
                   S27: Take off immediately all contaminated clothing
                   S36/37/39: Wear suitable protective clothing, gloves and eye/face protection
                   S45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
           FLUKA BRAND F CODES
                   F10: Keep under argon
                   F21: Sensitive to humidity

 Section 16 - Additional Information
While the information herein is believed to be reliable, it is furnished without warranty of any kind. It shall be used only as a guide. We assume no liabilities from the use of this product or information contained herein.