| 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.: | 808177 | |
| Product name: | Dimethyl terephthalate 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 |
| Dimethyl 1,4-benzenedicarboxylate ; Terephthalic acid dimethyl ester ; DMT |
| CAS-No.: | 120-61-6 | EC-Index-No.: | - | ||
| Molar mass: | 194.19 | EINECS-No.: | 204-411-8 | ||
| Molecular formula: | C10H10O4 | ||||
| 3. Hazards identification |
| According to the evaluative data available, a classification according to categories of danger as specified in Directive 67/548/EEC and laid down in the legislation of the country concerned is not required. |
| 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. After swallowing: make victim drink plenty of water, induce vomiting. Summon doctor if feeling unwell. |
| 5. Fire-fighting measures |
| Suitable extinguishing media: |
| Water, CO2, foam, powder. |
|
Special risks: |
| Combustible. Development of hazardous combustion gases or vapours possible in the event of fire. |
|
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: Avoid generation of dusts; do not inhale dusts. Ensure supply of fresh air in enclosed rooms. Environmental-protection measures: Do not allow to enter sewerage system. Procedures for cleaning / absorption: Take up dry. Forward for disposal. Clean up affected area. Avoid generation of dusts. |
| 7. Handling and storage |
| Handling: |
| No further requirements. |
| Storage: |
| At +15°C to +25°C. Tightly closed. No further requirements. |
| 8. Exposure controls/personal protection |
| Personal protective equipment: | |
| Respiratory protection: | required when dusts 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: | scales | |||
| Colour: | white | |||
| Odour: | almost odourless | |||
| pH value | not available | |||
| Melting temperature | 139 - 141 °C | |||
| Boiling temperature | 282 °C | |||
| Ignition temperature | 520 °C | |||
| Flash point | 141 °C | |||
| Explosion limits | lower | not available | ||
| upper | not available | |||
| Vapour pressure | (150 °C) | 17 hPa | ||
| Density | (20 °C) | 1.35 g/cm3 | ||
| Solubility in | water | (20 °C) | 0.036 g/l | |
| ether | (20 °C) | soluble | ||
| Thermal decomposition | > 400 °C |
| 10. Stability and reactivity |
| no information available |
| 11. Toxicological information |
| Acute toxicity |
|
LD50 (oral, rat): 14400 mg/kg |
| Further toxicological information |
| Hazardous properties cannot be excluded. |
| Further data |
| The product should be handled with the care usual when dealing with chemicals. |
| 12. Ecological information |
|
Ecotoxic effects: Fish toxicity: L.idus LC50: 69 mg/l /48 h Bacterial toxicity: Ps.pudita EC10: > 2000 mg/l /16 h Daphnia toxicity: Daphnia magna EC50: > 26.5 mg/l /24 h 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 |
| Not subject to transport regulations. |
| 15. Regulatory information |
| Labelling according to EC Directives | ||
| R-phrases: | --- | |
| S-phrases: | --- | |
| German regulations | ||
| Water pollution class | 2 | (polluting substance) |
| 16. Other information |
| Reason for alteration |
| General update. |
