Safety data sheet
According to EC Directive 91/155/EEC
MERCK Schuchardt
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1. Identification of the substance/preparation and of the company/undertaking
Identification of the product
Catalogue No.: 800762
Product name: Terephthalic acid for synthesis

Manufacturer/supplier identification
Company: Merck Ltd.
9th Floor, Monterey Tower, 2170 New Petchburi Road, Bangkapi, Huaykwang, Bangkok 10320
Tel: (662) 308 - 0218

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2. Composition/information on ingredients
Synonyms
1,4-Benzenedicarboxylic acid ; p-Phthalic acid

CAS-No.: 100-21-0 EC-Index-No.: -
Molar mass: 166.13 EINECS-No.: 202-830-0
Molecular formula: C8H6O4

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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.

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4. First aid measures
Eye and skin contact: rinse out with water. Remove contaminated clothing. After inhalation: fresh air.
After swallowing: make the victim drink plenty of water, induce vomiting. Consult doctor if feeling unwell.

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5. Fire-fighting measures
Suitable extinguishing media:
powder , foam

Special risks:
Combustible. In the event of decomposition: danger of explosion!

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6. Accidental release measures
Carefully take up dry. Avoid generation of dusts.

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7. Handling and storage
Handling:
No further requirements.

Storage:
tightly closed

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8. Exposure controls/personal protection
Personal protective equipment:
Respiratory protection: required
Eye protection: required
Hand protection: required
Industrial hygiene: Change contaminated clothing. Wash hands after working with substance.

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9. Physical and chemical properties
Form: fine crystals
Colour: white
Odour: acidic
pH value not available
Melting temperature not available
Boiling temperature not available
Ignition temperature 678 °C
Flash point not available
Explosion limits lower not available
upper not available
Solubility in water (20 °C) insoluble
ethanol (20 °C) slightly soluble
ether (20 °C) slightly soluble

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10. Stability and reactivity
no information available

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11. Toxicological information
Acute toxicity
LD50 (oral, rat): 18800 mg/kg

Further toxicological information

After skin contact: Irritations.
After eye contact: Irritations. 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
Further hazardous properties cannot be excluded.
The product should be handled with the care usual when dealing with chemicals.

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12. Ecological information
No ecological problems are to be expected when the product is handled and used with due care and attention.

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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.

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14. Transport information
Not subject to transport regulations.

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15. Regulatory information
Labelling according to EC Directives
R-phrases: ---
S-phrases: ---

German regulations
Water pollution class 1 (slightly polluting substance)

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16. Other information
no information available


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