This Eosin Y Solution, with a volume of 500 mL, is classified under vitality staining in life science, specifically histology and microscopy. Its chemical identity is Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate, as defined by the Chemical Abstracts Service (CAS) number 17372-87-1. This substance has a Molecular Weight of 691.86 g/mol and belongs to several substance groups, including Sodium compounds, Carboxylic acid salts, Phenols, Oxygen heterocycles, Oxo compounds, and Bromine compounds. In the workplace, it is recommended to use safety goggles and gloves when handling this solution. The solution decomposes at 572°F (NTP, 1992). According to the Globally Harm

• CAS Number: 17372-87-1
• Molecular Formula: C20H6Br4Na2O5
• Molecular Weight: 691.9
• Exact Mass: 691.67031
• Melting Point: 572 °F (decomposes) (NTP, 1992)
• GHS Signal Word: Warning
• Hazard Statements:
• H319 (87%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]