甲醇，Methanol；suitable for HPLC, gradient grade, suitable as ACS-grade LC reagent, ≥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

杂质

H₂SO₄, passes test (darkened)
≤0.0002 meq/g Titr. base
≤0.0003 meq/g Titr. acid
≤0.001% acetaldehyde
≤0.001% acetone
≤0.001% formaldehyde
≤0.03% water

蒸发残留物

≤0.0003%

颜色

APHA: ≤10
clear

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

≤5 mAU at 254 nm

λ

H₂O reference

紫外吸收

λ: 203 nm A_max: ≤1.0
λ: 210 nm A_max: ≤0.60
λ: 220 nm A_max: ≤0.30
λ: 230 nm A_max: ≤0.15
λ: 240 nm A_max: ≤0.05
λ: 260-400 nm A_max: ≤0.01

适用性

passes test for HPLC

application(s)

food and beverages

格式

neat

SMILES string

CO

InChI

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

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N