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Merck
CN

34885

Methanol

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

Synonym(s):

Methyl alcohol

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About This Item

Linear Formula:
CH3OH
CAS Number:
Molecular Weight:
32.04
NACRES:
NA.05
PubChem Substance ID:
UNSPSC Code:
41116121
EC Number:
200-659-6
MDL number:
Beilstein/REAXYS Number:
1098229
Assay:
≥99.9%
Grade:
gradient grade
Technique(s):
HPLC: suitable, immunofluorescence: suitable
Bp:
64.7 °C (lit.)
Vapor pressure:
410 mmHg ( 50 °C), 97.68 mmHg ( 20 °C)
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Product Name

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

Quality Level

grade

gradient grade

vapor density

1.11 (vs air)

vapor pressure

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

assay

≥99.9%

form

liquid

autoignition temp.

725 °F

expl. lim.

36 %

technique(s)

HPLC: suitable, immunofluorescence: suitable

impurities

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

evapn. residue

<0.0003%

color

APHA: ≤10

refractive index

n20/D 1.329 (lit.)

bp

64.7 °C (lit.)

mp

−98 °C (lit.)

density

0.791 g/mL at 25 °C (lit.)

HPLC-gradient

≤2 mAU at 230 nm, ≤5 mAU at 254 nm

absorption

in accordance

UV absorption

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

format

neat

SMILES string

CO

InChI

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

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

General description

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.

Application

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.

Packaging

M-Bottle for Solvents
As a global leader in lab reagents, we are constantly looking for new ways to optimize the safety of our products. The newly developed 4L solvent bottle design features advanced sealing technology that eliminates leaks to make the handling of solvents safer and more convenient than ever before.
See all the new features here!

Preparation Note

Product filtered through a 0.2 μm filter

Other Notes

Important notice
  • The article number 34885-4X2.5L-R will be discontinued. Please order the single bottle 34885-2.5L-R which is physically identical with the same exact specifications.
Discover LiChropur reagents ideal for HPLC or LC-MS analysis
Pure-Pac® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.

Legal Information

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


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signalword

Danger

Hazard Classifications

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

target_organs

Eyes,Central nervous system

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

49.5 °F - closed cup

flash_point_c

9.7 °C - closed cup

Regulatory Information

危险化学品

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Robert E Schwartz et al.
The Journal of clinical investigation, 109(10), 1291-1302 (2002-05-22)
We have derived from normal human, mouse, and rat postnatal bone marrow primitive, multipotent adult progenitor cells (MAPCs) that can differentiate into most mesodermal cells and neuroectodermal cells in vitro and into all embryonic lineages in vivo. Here, we show
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.
Ufuk Cobanoglu et al.
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



Global Trade Item Number

SKUGTIN
34885-200LP24ALS-R04061837287107
34885-20L-P2-R04061837287114
34885-2L-R04061826764909
34885-4L-R04061826764916
34885-6X1L-R04061826764954
34885-100ML-R04061837477102
34885-1L-R04061826764800
34885-2.5L-R04061826764848
34885-4X2.5L-R04061826764923
34885-4X4L-R04061826764930
34885-50LP24A-LS-R04061837477119