The Diethylene Glycol Monomethyl Ether is a solvent for synthesis, specifically categorized as a glycol ether, polyether. It has a molecular weight of 120.15 g/mol and a CAS Number of 111-77-3. This substance is regulated under the ZVG number 20530 and index number 603-107-00-6. The recommended indicative occupational exposure limit value for the European Union is 8 hours limit value: 50.1 mg/m3 (10 ppm). Safety precautions include wearing safety goggles and gloves, no smoking, no eating and drinking, prohibition label, no admittance for unauthorized persons, and use safety goggles. The GHS signal word for this substance is "Danger.

• CAS Number: 111-77-3
• Molecular Formula: C5H12O3
• Molecular Weight: 120.15
• Exact Mass: 120.078644241
• Boiling Point: 381 °F at 760 mmHg (NTP, 1992)
• Melting Point: -94 °F (NTP, 1992)
• Vapour Density: 4.14 (NTP, 1992) - Heavier than air; will sink (Relative to Air)
• GHS Signal Word: Warning
• Hazard Statements:
• H360D: May damage the unborn child [Danger Reproductive toxicity]
• H312 (11%): Harmful in contact with skin [Warning Acute toxicity, dermal]
• H227: Combustible liquid [Warning Flammable liquids]
• H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]
• H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]