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Sigma-Aldrich

Methanol

Methanol
1 of 1 reviewers received a sample product or took part in a promotion

≥99.8%, anhydrous, suitable for tissue processing

Synonym(s):

Methyl alcohol

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1 L
$100.00
2 L
$152.00
4 X 2 L
$384.00
6 X 1 L
$480.00
12 X 100 ML
$482.00
18 L
$846.00

$100.00

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1 L
$100.00
2 L
$152.00
4 X 2 L
$384.00
6 X 1 L
$480.00
12 X 100 ML
$482.00
18 L
$846.00

About This Item

Linear Formula:
CH3OH
CAS Number:
67-56-1
Molecular Weight:
32.04
Beilstein/REAXYS Number:
1098229
EC Number:
200-659-6
MDL number:
MFCD00004595
UNSPSC Code:
12352104
PubChem Substance ID:
57648672
grade:
anhydrous
assay:
99.8%
technique(s):
tissue processing: suitable
bp:
64.7 °C (lit.)
vapor pressure:
410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

$100.00

In StockDetails

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Product Name

Methanol, anhydrous, 99.8%

grade

anhydrous

Quality Level

200

vapor density

1.11 (vs air)

vapor pressure

410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

assay

99.8%

form

liquid

autoignition temp.

725 °F

expl. lim.

36 %

technique(s)

tissue processing: suitable

impurities

<0.002% water
<0.005% water (100 mL pkg)

evapn. residue

<0.0003%

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.)

format

neat

SMILES string

CO

InChI

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

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

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General description

Methanol is an industrial organic solvent commonly used in organic synthesis. It is being considered as a potential hydrogen source in fuel cell technology due to its high H/C ratio, low propensity for soot generation, relatively low reforming temperature and its liquid state at room temperature.[1][2] The olefins (ethylene or propylene) formed from methanol via MTO (methanol-to-olefins) process, can be an alternative to oil and gas to produce hydrocarbon fuels.[3]

Application

Methanol has been used for fixing the tissues during preparation of thin giemsa stained blood smears.[4] It has been used in the purification step during the synthesis of pyocyanin, a toxic compound found in Pseudomonas aeruginosa.[5]
Methanol has been used in following applications:
  • Used for the synthesis and purification of pyocyanin, spectrophotometric estimation of pyocyanin concentration, and the calculation of pyocyanin molar concentration using spectrophotometer absorption data.[6]
  • Used as a component of staining solution used in karyotyping.[7]
  • Used as a component of staining solution to stain cell colonies in colony formation assay.[8]

Packaging

View returnable container options.

Other Notes

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_germany

WGK 2

flash_point_f

49.5 °F - closed cup

flash_point_c

9.7 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SHBR7673
SHBS2489
SHBR6849
SHBR5973
SHBR5972

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Matthew P Horning et al.
Lab on a chip, 14(12), 2040-2046 (2014-05-02)
A paper microfluidic cartridge for the automated staining of malaria parasites (Plasmodium) with acridine orange prior to microscopy is presented. The cartridge enables simultaneous, sub-minute generation of both thin and thick smears of acridine orange stained parasites. Parasites are stained
Generation of Embryonic Stem Cells in Rabbits.
Methods in Molecular Biology, 1341, 49-66 (2016)
Rajkumar Cheluvappa
MethodsX, 1, 67-73 (2014-01-01)
Preparation of the toxin pyocyanin from the bacterium Pseudomonas aeruginosa is an exacting procedure. Pyocyanin is expensive to commercially purchase. The sellers do not give out the extraction procedure. Classically, pyocyanin preparation involves complicated multi-step P. aeruginosa culturing and solvent
Standardized chemical synthesis of Pseudomonas aeruginosa pyocyanin.
Cheluvappa R.
Gastroenterologia y hepatologia, 22, 1350-1351 (2007)
Beyond oil and gas: the methanol economy.
Olah GA.
Angewandte Chemie (International Edition in English), 44(18), 2636-2639 (2005)
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Articles

Solvent Miscibility Table

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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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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