This Hydroquinone, available in a 250 gram quantity, falls under the category of General Reagents. It is a 1,4-Dihydroxybenzene with a Molecular Weight of 110.11 grams per mole. It belongs to the substance group Phenols, cresols, dimethylphenols, dihydroxybenzenes etc. In the workplace, it requires caution as it is a corrosive material and may cause skin irritation. Safety measures such as wearing safety goggles and gloves are recommended when handling this reagent. The Hydroquinone has a Boiling Point between 545 to 549 degrees Fahrenheit and a Melting Point of 338 to 340 degrees Fahrenheit.

• CAS Number: 123-31-9
• Molecular Formula: C6H6O2
• Molecular Weight: 110.11
• Exact Mass: 110.036779430
• Boiling Point: 545 to 549 °F at 760 mmHg (EPA, 1998)
• Melting Point: 338 to 340 °F (EPA, 1998)
• Vapour Density: 3.81 (EPA, 1998) - Heavier than air; will sink (Relative to Air)
• GHS Signal Word: Danger
• Hazard Statements:
• H302: Harmful if swallowed [Warning Acute toxicity, oral]
• H316: Causes mild skin irritation [Warning Skin corrosion/irritation]