Description Xylenes, ACS, 98.5+%, 500ml (16oz) For Research & Development Not for drug, human, animal, or food use Specifications: Appearance (Color) Clear, colorless Appearance (Form) Liquid Assay (Xylene Isomers & Ethyl Benzene, correct for water) 98.5+% Meta-Xylene Lot analysis (~45%) Ortho-Xylene Lot analysis (~20%) Para-Xylene Lot analysis (~15%) Ethyl Benzene <25% Color (APHA) <10 Residue after Evaporation <0.002% Substance Darkened by H2SO4 Sulfur Compounds (as S) <0.003% Water <0.05% CAS: 1330-20-7 FORMULA: C6H4(CH3)2