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.: 814505
Product name: 1,2,4-Trimethylbenzene 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
Pseudocumol

CAS-No.: 95-63-6 EC-Index-No.: 601-043-00-3
Molar mass: 120.20 EINECS-No.: 202-436-9
Molecular formula: C9H12

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3. Hazards identification
Flammable. Harmful by inhalation. Irritating to eyes, respiratory system and skin.

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4. First aid measures

After skin contact: wash off with plenty of water. Remove contaminated clothing.
After eye contact: rinse out with plenty of water for at least 10 minutes with the eyelid held wide open. Summon eye specialist. After inhalation: fresh air.
After swallowing: make the victim drink plenty of water, induce vomiting. Summon doctor.

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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. Keep away from sources of ignition.

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6. Accidental release measures
Take up with liquid-absorbent material (e.g. Chemizorb ). Forward for disposal. Clean up affected area. Do not inhale vapours.

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7. Handling and storage
Handling:
No further requirements.

Storage:
tightly closed , away from sources of ignition , away from combustible substances

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8. Exposure controls/personal protection
Personal protective equipment:
Respiratory protection: required when vapours/aerosols are generated.
Eye protection: required
Hand protection: required
Industrial hygiene: Change contaminated clothing. Application of skin-protective barrier cream recommended. Wash hands after working with substance. Work under hood . Do not inhale substance.

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9. Physical and chemical properties
Form: liquid
Colour: colourless
pH value not available
Melting temperature -44 C
Boiling temperature 168 C
Ignition temperature not available
Flash point 48 C
Explosion limits lower not available
upper not available
Density (20 C) 0.88 g/cm3
Solubility in water (20 C) insoluble
ethanol (20 C) soluble
ether (20 C) soluble

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10. Stability and reactivity
no information available

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11. Toxicological information
Acute toxicity
Quantitative data on the toxicity of this product are not available.

Further toxicological information

After skin contact: Irritations.
After eye contact: Irritations.

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
Do not allow to enter waters, waste water, or soil!

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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
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: 1993 ENTZUENDBARER FLUESSIGER STOFF,N.A.G.(1,2,4-TRIMETHYLBENZOL)

River transport ADN/ADNR
not examined

Sea transport IMDG
IMDG class: 3.3 UN-No.: 1993 Packaging group: III
Ems: 3-07 MFAG: 340
Correct technical name: FLAMMABLE LIQUID,N.O.S.(PSEUDOCUMOL(1,2,4-TRIMETHYLBENZENE)

Air transport ICAO-TI and IATA-DGR
ICAO/IATA class: 3 UN/ID-No.: 1993 Packaging group: III
Correct technical name: FLAMMABLE LIQUID,N.O.S.(PSEUDOCUMOL(1,2,4-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.

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15. Regulatory information
Labelling according to EC Directives
Symbol: Xn Harmful immediately and show this container or label.
R-phrases: R 10-20-36/37/38 Flammable. Harmful by inhalation. Irritating to eyes, respiratory system and skin.
S-phrases: S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
EC-No.: 202-436-9 EC label

German regulations
Water pollution class 2 (polluting substance)

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16. Other information
no information available


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