Evaporation Number: 1.9

Purity (GC): ≥ 99.9 %

Identity (IR): conforms

Evaporation residue: ≤ 2.0 mg/l

Water: ≤ 0.02 %

Color: ≤ 10 Hazen

Density (d 20 °C/20 °C): 0.791 - 0.793

Boiling point: 64 - 65 °C

Acidity: ≤ 0.0002 meq/g

Alkalinity: ≤ 0.0002 meq/g

Gradient grade (at 235 nm): ≤ 2.0 mAU

Gradient grade (at 254 nm): ≤ 1.0 mAU

Fluorescence (as quinine at 254 nm): ≤ 1.0 ppb

Fluorescence (as quinine at 365 nm): ≤ 0.5 ppb

Transmission (at 210 nm): ≥ 20 %

Transmission (at 220 nm): ≥ 60 %

Transmission (at 230 nm): ≥ 75 %

Transmission (at 235 nm): ≥ 83 %

Transmission (at 250 nm): ≥ 95 %

Transmission (from 260 nm): ≥ 98 %

Absorbance (at 225 nm): ≤ 0.170

Filtered by 0.2 µm filter.

Suitable for UPLC / UHPLC /Ultra HPLC - instruments.

Conforms to Methanol R1 and R2 according to Reag. Ph Eur;

conforms to the requirements of ACS for liquid chromatography suitability.