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Merck
CN

34860

Methanol

≥99.9%, 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.21
PubChem Substance ID:
UNSPSC Code:
41116105
EC Number:
200-659-6
MDL number:
Beilstein/REAXYS Number:
1098229
Assay:
≥99.9%
Grade:
HPLC 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, ≥99.9%

grade

HPLC 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

≤0.0005% non-volatile matter, ≤1 ppb fluorescence (quinine) at 254 nm, ≤1 ppb fluorescence (quinine) at 365 nm, <0.03% water (Karl Fischer)

evapn. residue

<0.0005%

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.)

λ

neat

UV absorption

λ: 205 nm Amax: ≤1.00, λ: 210 nm Amax: ≤0.60, λ: 220 nm Amax: ≤0.30, λ: 230 nm Amax: ≤0.20, λ: 235 nm Amax: ≤0.10, λ: 240 nm Amax: ≤0.10, λ: 260 nm Amax: ≤0.04, λ: 280 nm Amax: ≤0.01, λ: 400 nm Amax: ≤0.01

application(s)

PFAS testing
food and beverages

format

neat

SMILES string

CO

InChI

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

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

General description

Methanol is an organic solvent that can be synthesized from syngas in the presence of CuO/ZnO/Al2O3 catalysts. It is an ideal candidate as a hydrogen source in fuel cell technology due to its high H/C ratio, low propensity for soot generation, relatively low reforming temperature and as it exists in liquid state at room temperature. In a direct methanol fuel cell (DMFC), methanol undergoes oxidation with air to generate electricity. The olefins (ethylene or propylene) formed from methanol via MTO (methanol-to-olefins) process, can be an alternate to oil and gas to produce hydrocarbon fuels.
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 can be used as a mobile phase in reversed-phase liquid chromatography.
Methanol (MeOH) has been used in the wholemount immunofluorescence studies of embryonic tissues.
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 the eluent for the ion-pair reverse-phase HPLC isolation of nucleotides and their decomposition products.

Preparation Note

Product filtered through a 0.2 μm filter

Other Notes

Important notice
  • The article number 34860-4X2.5L-R will be discontinued. Please order the single bottle 34860-2.5L-R which is physically identical with the same exact specifications.
  • The article number 34860-6X1L-R will be discontinued. Please order the single bottle 34860-1L-R which is physically identical with the same exact specifications.
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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

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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Articles

如果物质相互溶解形成均匀的溶液,就可以说它们相互混溶。收藏或下载我们的常见实验室溶剂混溶性表。

可生成组织和干细胞来源3D脑、胃肠道、肺和癌症肿瘤类器官模型的类器官培养产品。

Substances are said to be miscible in one another if they dissolve to form a uniform solution. Bookmark or download our miscibility table for common lab solvents.

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Global Trade Item Number

SKUGTIN
34860-100L-P2-R04061837286322
34860-100ML-R04061837477867
34860-144X1L-R04061837286346
34860-199L-R04061837286353
34860-2.5L-R04061837477898
34860-200L-P24AB-R04061837286391
34860-20L-N2-R04061837286407
34860-2L-R04061837477911
34860-4L-R04061838443113
34860-4X4L-R04061838443120
34860JP-4X2.5L-R04061837286469
34860-10L-RC04061837286339
34860-18L-P1-R04061837477874