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34860

Sigma-Aldrich

Methanol

≥99.9%, suitable for immunofluorescence, HPLC

1 of 3 reviewers took part in a promotion

Synonym(s):

Methyl alcohol

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100 ML
$54.00
1 L
$80.80
2 L
$113.00
4 L
$206.00
4 X 2 L
$259.00
4 X 4 L
$683.00

$54.00


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100 ML
$54.00
1 L
$80.80
2 L
$113.00
4 L
$206.00
4 X 2 L
$259.00
4 X 4 L
$683.00

About This Item

Linear Formula:
CH3OH
CAS Number:
Molecular Weight:
32.04
Beilstein/REAXYS Number:
1098229
EC Number:
MDL number:
UNSPSC Code:
41116105
PubChem Substance ID:
NACRES:
NA.21
Grade:
HPLC grade
Assay:
≥99.9%
Technique(s):
HPLC: suitable
immunofluorescence: suitable
Application(s):
PFAS testing
food and beverages
Bp:
64.7 °C (lit.)
Vapor pressure:
410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

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$54.00


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Product Name

Methanol, suitable for HPLC, ≥99.9%

grade

HPLC grade

Quality Level

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

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Show Differences

1 of 4

This Item
19-24701.1335132213
Methanol suitable for HPLC, &#8805;99.9%

34860

Methanol

Methanol suitable for HPLC

19-2470

Methanol

Methanol for preparative chromatography Prepsolv&#8482;

1.13351

Methanol

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

32213

Methanol

Quality Level

100

Quality Level

100

Quality Level

200

Quality Level

200

application(s)

food and beverages

application(s)

-

application(s)

food and beverages
pharmaceutical

application(s)

-

assay

≥99.9%

assay

≥99.8% (GC)

assay

≥99.8% (GC)

assay

≥99.8% (GC)

technique(s)

HPLC: suitable, immunofluorescence: suitable

technique(s)

HPLC: suitable

technique(s)

-

technique(s)

immunofluorescence: suitable

form

liquid

form

liquid

form

liquid

form

liquid

autoignition temp.

725 °F

autoignition temp.

725 °F

autoignition temp.

725 °F

autoignition temp.

725 °F

General description

Methanol is an organic solvent that can be synthesized from syngas in the presence of CuO/ZnO/Al2O3 catalysts.[1] 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.[2][3] 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.[4]
Thermochemical conversion of methanol to C2-C10 hydrocarbons in the presence of shape-selective zeolites has been reported.[5] Its oxidation on Ru-Pt catalyst system by ruthenium ad-atoms has been proposed.[6]

Application

Methanol (MeOH) has been used in the wholemount immunofluorescence studies of embryonic tissues.[7]
It may be used in the following studies:
  • Colony forming unit-fibroblast assay of bone marrow mononuclear cells.[8]
  • As solvent for the preparation of extracts of hyphae of Aspergillus for the estimation of gliotoxin by reversed phase-HPLC.[9]
  • Immunofluorescence studies.[10]
  • To compose the eluent for the ion-pair reverse-phase HPLC isolation of nucleotides and their decomposition products.[11]
Methanol can be used as a mobile phase in reversed-phase liquid chromatography.[12]

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

wgk_germany

WGK 2

flash_point_f

49.5 °F - closed cup

flash_point_c

9.7 °C - closed cup


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Questions

1–7 of 7 Questions  
  1. Product 34860 has an unpleasant fishy odor. What are the possible causes of this odor? Can we still use the product despite the odor?

    1 answer
    1. The distinctive smell is caused by the presence of triethylamine. Even a small amount of TMA, slightly above 50 ppb, can give the entire product its characteristic odor. Despite the odor, the product can still be used.

      Helpful?

  2. Why on occasion does Product 34860, Methanol, have an unusual odor? Does it affect the product purity or performance?

    1 answer
    1. Industry research has indicated that unusual odors in methanol are a common problem and stem from low - level mercaptans and / or amines found in the natural gas raw materials used in production. Odors from these types of compounds can be noticeable at low part per million (ppm) levels and have not been shown to have any negative impact on product performance at these concentrations.

      Helpful?

  3. What is the Department of Transportation shipping information for this product?

    1 answer
    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

      Helpful?

  4. Who do I contact about larger solvent volume needs?

    1 answer
    1. Email us at [email protected] or visit Sigma-Aldrich Fine Chemicals for development and manufacturing-scale inquiries: [email protected]

      Helpful?

  5. What are the options for drying solvents?

    1 answer
    1. Sigma-Aldrich offers a full range of high-purity solvents with extremely low water levels specifically manufactured for moisture sensitive Organic and Biotech applications.  Sigma-Aldrich also carries various drying agents such as molecular sieves, which are typically compatible with organic solvents.

      Helpful?

  6. What apparatus do you recommend for HPLC solvent filtration?

    1 answer
    1. The Sigma-Aldrich Vacuum Filtration Assembly gives you all the components you need including: funnel top, fritted glass funnel support, filtration flask, aluminum clamp, and silicone stopper.  The Acrodisc Syringe Filters offer high quality filtration for analytical samples, certified for HPLC to ensure low extractable and available in a broad range of membranes to meet sample compatibility requirements.

      Helpful?

  7. Can you recommend a Solvent Extractor for organics from aqueous solution?

    1 answer
    1. Solvent extractors are often used for the quantitative extraction of organics from aqueous solutions and separations in immunoassays. The MIXXOR system has been applied successfully in many laboratory solvent extraction operations and is ideal for the rapid screening of alternative solvents for specific extraction problems.

      Helpful?

Reviews

1 of 3 reviewers took part in a promotion

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