The chemical substance titled Chloroform (CAS 67-66-3) is categorized as a solvent for gas chromatographic and residue analysis. It falls under the broader category of solvents for chromatographic applications, specifically those intended for gas chromatography. This compound, with a Molecular Weight of 119.38 g/mol, belongs to the groups of halogenated hydrocarbons, aliphatic, saturated, and chlorine compounds, organic. In the workplace, it requires various safety measures such as prohibition labels, no smoking signs, no admittance for unauthorized persons, no eating and drinking, warning labels, caution - toxic material warnings, precept labels, use of safety goggles, and wearing of safety gloves. The recommended indicative occupational exposure limit value for the European Union is an 8-hour limit value of 10 mg/m3 (2 ppm).

• CAS Number: 67-66-3
• Molecular Formula: CHCl3
• Molecular Weight: 119.37
• Exact Mass: 117.914383
• Boiling Point: 143 °F at 760 mmHg (EPA, 1998)
• Melting Point: -82.3 °F (EPA, 1998)
• Vapour Density: 4.12 (EPA, 1998) - Heavier than air; will sink (Relative to Air)
• GHS Signal Word: Danger
• Hazard Statements:
• H302: Harmful if swallowed [Warning Acute toxicity, oral]
• H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]