Merck
All Photos(3)

Documents

179337

Sigma-Aldrich

Methanol

ACS reagent, ≥99.8%

Sign Into View Organizational & Contract Pricing

Synonym(s):
Methyl alcohol
Linear Formula:
CH3OH
CAS Number:
Molecular Weight:
32.04
Beilstein:
1098229
EC Number:
MDL number:
eCl@ss:
39020101
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent

Quality Level

100
200

Agency

suitable for EPA 1613

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 %

impurities

H2SO4, passes test (darkened)
MnO4- reducers, passes test
≤0.0002 meq/g Titr. base
≤0.0003 meq/g Titr. acid
≤0.001% acetaldehyde
≤0.001% acetone
≤0.001% formaldehyde
≤0.1% water

evapn. residue

≤0.001%

color

APHA: ≤10
clear

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

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
3224153486034860-M
vibrant-m

179337

Methanol

Essential Grade
vibrant-m

322415

Methanol

-
vibrant-m

34860

Methanol

-
vibrant-m

34860-M

Methanol

-
grade

ACS reagent

grade

anhydrous

grade

-

grade

-

assay

≥99.8%

assay

99.8%

assay

≥99.9%

assay

≥99.9%

vapor density

1.11 (vs air)

vapor density

1.11 (vs air)

vapor density

1.11 (vs air)

vapor density

1.11 (vs air)

refractive index

n20/D 1.329 (lit.)

refractive index

n20/D 1.329 (lit.)

refractive index

n20/D 1.329 (lit.)

refractive index

n20/D 1.329 (lit.)

mp

−98 °C (lit.)

mp

−98 °C (lit.)

mp

−98 °C (lit.)

mp

−98 °C (lit.)

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 alternative to oil and gas to produce hydrocarbon fuels.
Methanol undergoes thermochemical conversion 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 has been used as a solvent for the sodium dodecyl sulfate-polyacrylamide gel electrophoretic (SDS-PAGE) analysis of alkaline protease isoforms isolated from larva of the spotted sand bass (Paralabrax maculatofasciatus). It has been used in the isolation and quantitative determination of carotenes and xanthophylls from Capsicum annum pericarp extracts by HPLC.

Signal Word

Danger

Hazard Classifications

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

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

49.5 °F - closed cup

Flash Point(C)

9.7 °C - closed cup


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 7

1 of 7

Methanol analytical standard

Supelco

82762

Methanol

Ethyl acetate ACS reagent, ≥99.5%

Sigma-Aldrich

319902

Ethyl acetate

Methanol suitable for HPLC, gradient grade, suitable as ACS-grade LC reagent, ≥99.9%

Sigma-Aldrich

439193

Methanol

Methanol Absolute - Acetone free

Sigma-Aldrich

M1775

Methanol

Methanol for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Supelco

1.06009

Methanol

2-Propanol ACS reagent, ≥99.5%

Sigma-Aldrich

190764

2-Propanol

Beyond oil and gas: the methanol economy.
Olah GA.
Angewandte Chemie (International Edition in English), 44(18) (2005)
Development of digestive enzyme activity in larvae of spotted sand bass Paralabrax maculatofasciatus II: electrophoretic analysis.
Alvarez-Gonzalez CA, et al.
Fish Physiology and Biochemistry, 36(1), 29-37 (2010)
Review of methanol reforming-Cu-based catalysts, surface reaction mechanisms, and reaction schemes.
Yong ST, et al.
International Journal of Hydrogen Energy, 38(22), 9541-9552 (2013)
Catalytic carbon dioxide hydrogenation to methanol: A review of recent studies.
Jadhav SG, et al.
Chemical Engineering Research and Design, 92(11), 2557-2567 (2014)
Methanol steam reforming for hydrogen generation via conventional and membrane reactors: a review.
Iulianelli A, et al.
Renewable and Sustainable Energy Reviews, 29, 355-368 (2014)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service