| Safety data sheet |
| According to EC Directive 91/155/EEC |
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|
| 1. Identification of the substance/preparation and of the company/undertaking |
| Identification of the product | ||
| Catalogue No.: | 805890 | |
| Product name: | Mesitylene for synthesis | |
| Manufacturer/supplier identification | ||
| Company: |
Merck Ltd. 9th Floor, Monterey Tower, 2170 New Petchburi Road, Bangkapi, Huaykwang, Bangkok 10320 Tel: (662) 308 - 0218 |
|
| 2. Composition/information on ingredients |
| Synonyms |
| 1,3,5-Trimethylbenzene |
| CAS-No.: | 108-67-8 | EC-Index-No.: | 601-025-00-5 | ||
| Molar mass: | 120.20 | EINECS-No.: | 203-604-4 | ||
| Molecular formula: | C9H12 | ||||
| 3. Hazards identification |
| Flammable. Irritating to respiratory system. |
| 4. First aid measures |
|
After inhalation: fresh air. After skin contact: wash off with plenty of water. Remove contaminated clothing. After eye contact: rinse out with plenty of water with the eyelid held wide open. Summon eye specialist. After swallowing: make victim drink plenty of water, induce vomiting, summon doctor. |
| 5. Fire-fighting measures |
| Suitable extinguishing media: |
| Water, CO2, foam, powder. |
|
Special risks: |
| Combustible. Vapours heavier than air. Formation of explosive mixtures possible with air. |
|
Special protective equipment for fire fighting: |
| Do not stay in dangerous zone without self-contained breathing apparatus. |
|
Other information: |
| Prevent fire-fighting water from entering surface water or groundwater. |
| 6. Accidental release measures |
|
Person-related precautionary measures: Do not inhale vapours/aerosols. Ensure supply of fresh air in enclosed rooms. Environmental-protection measures: Do not allow to enter sewerage system. Procedures for cleaning / absorption: Take up with liquid-absorbent material (e.g. Chemizorb® ). Forward for disposal. Clean up affected area. |
| 7. Handling and storage |
| Handling: |
| Keep away from sources of ignition. Take measures to prevent electrostatic charging. |
| Storage: |
| Tightly closed in a well-ventilated place, away from sources of ignition and heat. At +15°C to +25°C. |
| 8. Exposure controls/personal protection |
| Personal protective equipment: | |
| Respiratory protection: | required when vapours/aerosols are generated. |
| Eye protection: | required |
| Hand protection: |
required Protective clothing should be selected specifically for the working place, depending on concentration and quantity of the hazardous substances handled. The resistance of the protective clothing to chemicals should be ascertained with the respective supplier. |
| Industrial hygiene: | Change contaminated clothing. Application of skin-protective barrier cream recommended. Wash hands after working with substance. |
| 9. Physical and chemical properties |
| Form: | liquid | |||
| Colour: | colourless | |||
| Odour: | aromatic | |||
| pH value | not available | |||
| Viscosity | dynamic | (20 °C) | 0.95 mPa*s | |
| Melting temperature | -45 °C | |||
| Boiling temperature | 163 - 165 °C | |||
| Ignition temperature | 560 °C | |||
| Flash point | 48 °C | |||
| Explosion limits | lower | 1 Vol% | ||
| upper | 6 Vol% | |||
| Vapour pressure | (20 °C) | 3 hPa | ||
| Density | (20 °C) | 0.87 g/cm3 | ||
| Solubility in | water | (20 °C) | slightly soluble | |
| ethanol | (20 °C) | soluble | ||
| ether | (20 °C) | soluble |
| Further information |
| Distillable in an undecomposed state at normal pressure. |
| 10. Stability and reactivity |
| Conditions to be avoided |
| no information available |
| Substances to be avoided |
| oxidizing agent |
| Hazardous decomposition products |
| no information available |
| Further information |
| Keep away from sources of ignition. |
| 11. Toxicological information |
| Acute toxicity |
| Quantitative data on the toxicity of this product are not available. |
| Further toxicological information |
|
After inhalation: Irritations of the mucous membranes, coughing, and dyspnoea. After swallowing: irritations of mucous membranes in the mouth, pharynx, oesophagus and gastrointestinal tract. |
| Further data |
| The product should be handled with the care usual when dealing with chemicals. |
| 12. Ecological information |
|
Ecotoxic effects: Quantitative data on the ecological effect of this product are not available. Further ecologic data: Do not allow to enter waters, waste water, or soil! |
| 13. Disposal considerations |
| Product: |
| There are no uniform EC Regulations for the disposal of chemicals or residues. Chemical residues generally count as special waste. The disposal of the latter is regulated in the EC member countries through corresponding laws and regulations. We recommend that you contact either the authorities in charge or approved waste disposal companies which will advise you on how to dispose of special waste. |
| Packaging: |
| Disposal in compliance with official regulations. Handle contaminated packaging in the same way as the substance itself. If not officially specified differently, non-contaminated packaging may be treated like household waste or recycled. |
| 14. Transport information |
| Transport over land ADR/RID and GGVS/GGVE (Germany) | ||||
| GGVS/GGVE class: | 3 | Number and letter: | 31c | |
| ADR/RID class: | 3 | Number and letter: | 31c | |
| Name of material: | 2325 1,3,5-TRIMETHYLBENZEN | |||
| River transport ADN/ADNR | |||
| not examined | |||
| Sea transport IMDG | ||||||
| IMDG class: | 3.3 | UN-No.: | 2325 | Packaging group: | III | |
| Ems: | 3-03 | MFAG: | 310 | |||
| Correct technical name: | 1,3,5-TRIMETHYLBENZENE MARINE POLLUTANT | |||||
| Air transport ICAO-TI and IATA-DGR | |||||
| ICAO/IATA class: | 3 | UN/ID-No.: | 2325 | Packaging group: | III |
| Correct technical name: | 1,3,5-TRIMETHYLBENZENE | ||||
| The transport regulations are cited according to international regulations and in the form applicable in Germany (GGVS/GGVE). Possible national deviations in other countries are not considered. |
| EXCLUDED FROM TRANSPORT BY AIR! |
| 15. Regulatory information |
| Labelling according to EC Directives | ||
| Symbol: | Xi | Irritant immediately and show this container or label. |
| R-phrases: | R 10-37 | Flammable. Irritating to respiratory system. |
| S-phrases: | --- | |
| German regulations | ||
| Water pollution class | 2 | (polluting substance) |
| 16. Other information |
| Reason for alteration |
| General update. |
