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Toluene, methylbenzene p.a. grade
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Description
Toluene p.a. (Pure for Analysis Grade)
Other Names: Methylbenzene, Phenylmethane
CAS Number: 108-88-3
Sum Formula: C₇H₈
Molar Mass: 92.14 g/mol
Appearance: Colorless liquid
Toluene is a simple aromatic hydrocarbon widely utilized as an industrial solvent and chemical precursor. It is a volatile liquid with a characteristic sweet, benzene-like odor. The 'p.a.' (pure for analysis) designation indicates that the product has a high purity suitable for precise laboratory and analytical applications.
Chemical and Physical Properties
Density: 0.8669 g/cm³ (at 20°C)
Melting Point: −95°C
Boiling Point: 110.6°C
Solubility in Water: Poorly soluble (0.47 g/L at 20°C)
Solubility in Other Solvents: Completely miscible with organic solvents such as ethanol, ether, acetone, and chloroform
Odor: Sweet, characteristic aromatic odor
Vapor Pressure: 28.4 mmHg (at 25°C)
Flash Point: 4°C (closed cup)
Applications
Laboratory Use: Used as a solvent for chemical reactions, extractions, and chromatography.
Chemical Synthesis: Serves as a starting material for the production of benzene, toluene diisocyanate (TDI), and benzoic acid.
Industrial Applications: Used in the formulation of paints, coatings, adhesives, and inks.
Material Science: Studied for its role as a solvent in polymer processing and electronic materials.
Safety
Signal Word: Danger
H225 (98.5%): Highly Flammable liquid and vapor [Danger Flammable liquids]
H304 (99.8%): May be fatal if swallowed and enters airways [Danger Aspiration hazard]
H315 (98.5%): Causes skin irritation [Warning Skin corrosion/irritation]
H336 (98.3%): May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]
H361 (95.3%): Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
H373 (98.4%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
H412 (16.5%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
P203, P210, P233, P240, P241, P242, P243, P260, P261, P264, P271, P273, P280, P301+P316, P302+P352, P303+P361+P353, P304+P340, P318, P319, P321, P331, P332+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501
Handling and Storage
Storage Conditions: Store in a tightly closed container in a cool, dry, and well-ventilated area, away from heat, sparks, and open flames. Protect from light and incompatible materials such as strong oxidizers.
Handling Precautions: Use explosion-proof equipment and proper PPE. Avoid inhalation of vapors and prevent skin or eye contact.