Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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2,4-Dichloro-1-methylbenzene(95-73-8)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
2,4-Dichloro-1-methylbenzene
Synonyms
2,4-DCT
2,4-Dichloro-1-methylbenzene
2,4-Dichloromethylbenzene
CAS
95-73-8
Formula
C7H6Cl2
Molecular Weight
161.03
EINECS
202-445-8
RTECS
XT0730000
RTECS Class
Other
Beilstein/Gmelin
1931691
Beilstein Reference
4-05-00-00815

Physical and Chemical Properties

Appearance
Clear colorless liquid.
Solubility in water
Insoluble
Melting Point
-13
Boiling Point
200
Vapor Pressure
.5
Density
1.2498 g/cm3 (20 C)
Partition Coefficient
4.07
Usage
High boiling solvent, intermediate for organic synthesis dichlorotoluene.
Vapor Density
5.6
Refractive Index
1.5509 (20 C)

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.
Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. 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.
Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage

Storage
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation. Use with adequate ventilation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.

Hazards Identification

Ingestion
Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
Inhalation
Causes respiratory tract irritation.
Skin
Causes skin irritation.
Eyes
Causes eye irritation.
Hazards
Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers.
EC Risk Phrase
R 51/53
EC Safety Phrase
S 24/25 61
UN (DOT)
2238

Exposure Controls/Personal Protection

Personal Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear appropriate clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Fire Fighting Measures

Flash Point
79
Autoignition
> 450
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use water spray to keep fire-exposed containers cool. Combustible Liquid. Extinguishing media: Use water spray to cool fire-exposed containers. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Upper exp. limit
6.5
Lower exp. limit
1.5
Fire Potential
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.

Accidental Release Measures

Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Remove all sources of ignition. Provide ventilation.

Stability and Reactivity

Disposal Code
2
Stability
Stable at room temperature in closed containers under normal storage and handling conditions.
Incompatibilities
Strong oxidizing agents.
Decomposition
Hydrogen chloride, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Combustion Products
Fire will produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number
2238
Hazard Class
3
Packing Group
III
HS Code
2903 69 90
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