The chemical substance titled "Tert -Butyl Methyl Ether" belongs to the category of solvents used for gas chromatographic and residue analysis. It is classified under the substance group "Ethers." This compound, with a Molecular Weight of 88.15 g/mol, requires safety measures such as wearing protective clothing, including safety goggles and gloves, and avoiding open flames due to its flammable nature. The recommended indicative occupational exposure limit value for this substance is 183.5 mg/m3 (50 ppm) for an 8-hour workday and 367 mg/m3 (100 ppm) for short-term exposures, according to Directive 2009/161/EU.

• CAS Number: 1634-04-4
• Molecular Formula: C5H12O
• Molecular Weight: 88.15
• Exact Mass: 88.088815002
• Boiling Point: 131.4 °F at 760 mmHg (USCG, 1999)
• Melting Point: -164.2 °F (USCG, 1999)
• Density: Relative Vapour Density (air = 1): 3.0
• GHS Signal Word: Danger
• Hazard Statements:
• H225: Highly Flammable liquid and vapor [Danger Flammable liquids]