متانول مرک کد 106007

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Product Description

متانول مرک کد 106007 با گرید کروماتوگرافی در بسته بندی 2.5 لیتری و با مشخصات زیر :

106007 | Methanol

Methanol gradient grade for liquid chromatography LiChrosolv® Reag. Ph Eur. CAS 67-56-1, chemical formula CH₃OH, molar mass 32.04 g/mol.

grade Reag. Ph Eur
bp 64.5 °C (1013 hPa)
expl. lim. 5.5 – 44 %(V)
vapor pressure 128 hPa (20 °C)
density 0.792 g/cm3 (20 °C)
evaporation number 1.9
flash point 10 °C
autoignition temp. 455 °C DIN 51794
mp -98 °C
LD 50 oral LD50 Rat 5628 mg/kg
LD 50 dermal LD50 Rabbit 17100 mg/kg
shipped in ambient
storage temp. Store at +5°C to +30°C.
specifications Purity (GC): ≥ 99.9 %
Identity (IR): conforms
Evaporation residue: ≤ 2.0 mg/l
Water: ≤ 0.02 %
Colour: ≤ 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.