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34885-M

Sigma-Aldrich

甲醇

≥99.9%, gradient grade, suitable for HPLC

别名:

木酒精

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About This Item

线性分子式:
CH3OH
CAS号:
67-56-1
分子量:
32.04
Beilstein:
1098229
EC號碼:
200-659-6
MDL號碼:
MFCD00004595
分類程式碼代碼:
15101803
PubChem物質ID:
329755085
NACRES:
NA.05

product name

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

等級

gradient grade

蒸汽密度

1.11 (vs air)

蒸汽壓力

410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

化驗

≥99.9%

形狀

liquid

自燃溫度

725 °F

expl. lim.

36 %

技術

HPLC: suitable

雜質

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

蒸發殘留物

<0.0003%

顏色

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

吸收

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

格式

neat

SMILES 字串

CO

InChI

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

InChI 密鑰

OKKJLVBELUTLKV-UHFFFAOYSA-N

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一般說明

Thermochemical conversion of methanol to C2-C10 hydrocarbons in the presence of shape-selective zeolites has been reported. Its oxidation on Ru-Pt catalyst system by ruthenium ad-atoms has been proposed.

應用

Methanol (MeOH) has been used as an eluent in the HPLC estimation of malondialdehyde in plasma, which is an indicator of oxidative stress.
It may be used in the following studies:
  • Colony forming unit-fibroblast assay of bone marrow mononuclear cells.
  • As solvent for the preparation of extracts of hyphae of Aspergillus for the estimation of gliotoxin by reversed phase-HPLC.
  • Immunofluorescence studies.
  • To compose eluent for the ion-pair reverse-phase HPLC isolation of nucleotides and their decomposition products.

包裝

请查看 可回收容器选项.

準備報告

产品经过 0.2μm 过滤器过滤

其他說明

Pure-Pac® II 容器需要 Micromatic MicroValve 连接器以分配溶剂 (Z560723)。
Important notice
  • The article number 34885-6X1L-M will be discontinued. Please order the single bottle 34885-1L-M which is physically identical with the same exact specifications.

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法律資訊

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

訊號詞

Danger

危險分類

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

標靶器官

Eyes,Central nervous system

儲存類別代碼

3 - Flammable liquids

水污染物質分類（WGK）

WGK 2

閃點（°F）

49.5 °F - closed cup

閃點（°C）

9.7 °C - closed cup

从最新的版本中选择一种：

分析证书(COA)

Lot/Batch Number
STBL1391
STBL0886
STBL0452
STBL0885
STBL0453

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Hypoxia-inducible factor-1 alpha (HIF-1α) is considered a global regulator of cellular metabolism and innate immune cell functions. Intracellular pathogens such as Leishmania have been reported to manipulate host cell metabolism. Herein, we demonstrate that myeloid cells from myeloid-restricted HIF-1α-deficient mice
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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
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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.
Emer P Reeves et al.
Mycopathologia, 158(1), 73-79 (2004-10-19)
Aspergillus fumigatus is a pathogenic fungus capable of causing both allergic lung disease and invasive aspergillosis, a serious, life-threatening condition in neutropenic patients. Aspergilli express an array of mycotoxins and enzymes which may facilitate fungal colonisation of host tissue. In
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