甲醇，Methanol；suitable for HPLC, gradient grade, ≥99.9%

等级

gradient grade

质量水平

100

蒸汽密度

1.11 (vs air)

蒸汽压

410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

测定

≥99.9%

形式

liquid

自燃温度

725 °F

expl. lim.

36 %

technique(s)

HPLC: suitable
immunofluorescence: suitable

杂质

KMnO₄ red. matter (as O), in accordance
≤0.0005% free alkali (as NH₃)
≤0.0005% non-volatile matter
≤0.001% acetaldehyde
≤0.001% acetone (GC)
≤0.001% formaldehyde
≤0.02% water (Karl Fischer)
≤1 ppb fluorescence (quinine) at 254 nm
≤1 ppb fluorescence (quinine) at 365nm

蒸发残留物

<0.0003%

颜色

APHA: ≤10

折射率

n20/D 1.329 (lit.)

bp

64.7 °C (lit.)

mp

−98 °C (lit.)

密度

0.791 g/mL at 25 °C (lit.)

HPLC-gradient

≤2 mAU at 230 nm
≤5 mAU at 254 nm

吸光度

in accordance

紫外吸收

λ: 210 nm A_max: 0.50
λ: 220 nm A_max: 0.30
λ: 230 nm A_max: 0.15
λ: 235 nm A_max: 0.10
λ: 240 nm A_max: 0.05
λ: 260 nm A_max: 0.01
λ: 400 nm A_max: 0.01

application(s)

food and beverages

格式

neat

SMILES string

CO

InChI

1S/CH4O/c1-2/h2H,1H3

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N