Merck
CN

34885

Sigma-Aldrich

甲醇

suitable for HPLC, gradient grade, ≥99.9%

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别名:
木酒精
线性分子式:
CH3OH
CAS号:
分子量:
32.04
Beilstein:
1098229
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.05

等级

gradient grade

质量水平

蒸汽密度

1.11 (vs air)

蒸汽压

410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

检测方案

≥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-梯度

≤2 mAU at 230 nm
≤5 mAU at 254 nm

吸光度

in accordance

紫外吸收

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

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此商品
1549033221334860
Methanol suitable for HPLC, gradient grade, &#8805;99.9%

Sigma-Aldrich

34885

甲醇

-
Methanol ACS spectrophotometric grade, &#8805;99.9%

Sigma-Aldrich

154903

甲醇

-
Methanol puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., &#8805;99.8% (GC)

Sigma-Aldrich

32213

甲醇

Essential Grade
Methanol suitable for HPLC, &#8805;99.9%

Sigma-Aldrich

34860

甲醇

-
vapor density

1.11 (vs air)

vapor density

1.11 (vs air)

vapor density

1.11 (vs air)

vapor density

1.11 (vs air)

vapor pressure

410 mmHg ( 50 °C), 97.68 mmHg ( 20 °C)

vapor pressure

410 mmHg ( 50 °C), 97.68 mmHg ( 20 °C)

vapor pressure

410 mmHg ( 50 °C), 97.68 mmHg ( 20 °C)

vapor pressure

410 mmHg ( 50 °C), 97.68 mmHg ( 20 °C)

assay

≥99.9%

assay

≥99.9%

assay

≥99.8% (GC)

assay

≥99.9%

form

liquid

form

liquid

form

liquid

form

liquid

autoignition temp.

725 °F

autoignition temp.

725 °F

autoignition temp.

725 °F

autoignition temp.

725 °F

一般描述

已有报道称,在形状选择性沸石存在的条件下,甲醇通过热化学转化形成C2-C10 烃类化合物。其通过钌吸附原子在Ru-Pt催化剂体系上的氧化已被报道。

应用

甲醇(MeOH)已被用作通过HPLC估算血浆中丙二醛含量的洗脱液,该成分含量是氧化应激的指标。
甲醇可用于以下研究:
  • 骨髓单核细胞的集落形成单位-成纤维细胞测定。
  • 作为制备 曲霉菌 菌丝提取物的溶剂,用于通过反相高效液相色谱法测定胶霉毒素。
  • 免疫荧光研究。
  • 作为通过离子对反相高效液相色谱法分离分离核苷酸及其分解产物的洗脱液组分。

包装

制备说明

产品经过0.2μm过滤器过滤

其他说明

Pure-Pac® II容器需要Micromatic MacroValve接头来分配溶剂,Z560723。
重要提示
  • 货号34885-4X2.5L-R的产品即将停产。请订购34885-2.5L-R单瓶装,因为其具体参数与上述产品本质相同。

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法律信息

Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany

警示用语:

Danger

危险分类

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1

储存分类代码

3 - Flammable liquids

WGK

WGK 2

闪点(°F)

49.5 °F - closed cup

闪点(°C)

9.7 °C - closed cup

法规信息

危险化学品

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Slide 1 of 3

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Methanol Laboratory Reagent, &#8805;99.6%

Sigma-Aldrich

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甲醇

Methanol puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., &#8805;99.8% (GC)

Sigma-Aldrich

32213

甲醇

Methanol ACS reagent, &#8805;99.8%

Sigma-Aldrich

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甲醇

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Asian Pacific journal of cancer prevention : APJCP, 12(6), 1399-1403 (2011-12-01)
Early diagnosis and prevention is very important for lung cancer patients. Previous studies have emphasized that the level of coenzyme Q10 (CoQ10), present primarily in mitochondria, decreases with age and is low in patients with chronic diseases. Our goal was
R A Cunha et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 18(6), 1987-1995 (1998-05-15)
ATP analogs substituted in the gamma-phosphorus (ATPgammaS, beta, gamma-imido-ATP, and beta,gamma-methylene-ATP) were used to probe the involvement of P2 receptors in the modulation of synaptic transmission in the hippocampus, because their extracellular catabolism was virtually not detected in CA1 slices.
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Chang CD and Silvestri AJ.
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