... formula: C12H14O4 3) Molecular weight:222.24 4) CAS No.: 84-66-2 Properties and usage:Colorless, transparent oily ... , fixing agent in Gas chromatography.SPECIFICATION:Clarity (Pt-Co), code No.:≤25Acidity(calculated as phthalic acid),%: ≤0.010Density(20°C), ... content,%: ≥99.0Flash point °: ≥155SPECIFICATION: Clarity(Pt-Co), code No.:≤40Acidity(calculated as phthalic acid),%: ≤ 0.015Density(20°C), g ...