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Merck
CN

439193

Methanol

≥99.9%, gradient grade, suitable for HPLC, suitable for EPA 1613

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:
12190000
EC Number:
200-659-6
MDL number:
Beilstein/REAXYS Number:
1098229
Assay:
≥99.9%
Grade:
gradient grade
Technique(s):
HPLC: 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, suitable as ACS-grade LC reagent, ≥99.9%

grade

gradient grade

Quality Level

agency

suitable for EPA 1613

vapor density

1.11 (vs air)

vapor pressure

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

assay

≥99.9%

autoignition temp.

725 °F

expl. lim.

36 %

technique(s)

HPLC: suitable

impurities

H2SO4, passes test (darkened), ≤0.0002 meq/g Titr. base, ≤0.0003 meq/g Titr. acid, ≤0.001% acetaldehyde, ≤0.001% acetone, ≤0.001% formaldehyde, ≤0.03% water

evapn. residue

≤0.0003%

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.)

HPLC-gradient

≤5 mAU at 254 nm

λ

H2O reference

UV absorption

λ: 203 nm Amax: ≤1.0, λ: 210 nm Amax: ≤0.60, λ: 220 nm Amax: ≤0.30, λ: 230 nm Amax: ≤0.15, λ: 240 nm Amax: ≤0.05, λ: 260-400 nm Amax: ≤0.01

suitability

passes test for HPLC

application(s)

food and beverages

format

neat

SMILES string

CO

InChI

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

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

General description

Methanol (MeOH) is an organic solvent with a wide range of industrial applications. It is the main component of lithium batteries. It can be prepared by hydrogenation of CO2 under various conditions. MeOH is a toxic alcohol employed for denaturing ethyl alcohol. A study reports the preparation of biodiesel from canola oil using methanol under supercritical conditions.

Application

High-purity, multipurpose solvent, tested for suitability in:
  • HPLC with gradient analysis
  • Spectrophotometry
  • Residual testing
  • LC-MS applications

Used as a solvent/reagent to determine total phenols content, anti-DPPH activity and the content of antioxidants in honeybee drone blood homogenate (DBH) samples.
Meets ACS specifications.

Preparation Note

Product filtered through a 0.2 μm filter


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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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Related Content

This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.


Combining Low-Pressure CO2 Capture and Hydrogenation To Form Methanol.
Khusnutdinova JR, et al.
ACS Catalysis, 5(4), 2416-2422 (2015)
CO2 Hydrogenation to Methanol on Supported Au Catalysts under Moderate Reaction Conditions: Support and Particle Size Effects.
Hartadi Y, et al.
ChemSusChem, 8(3), 456-465 (2015)
CO2 hydrogenation to methanol over CuZnGa catalysts prepared using microwave-assisted methods.
Cai W, et al.
Catalysis Today, 242, 193-199 (2015)



Global Trade Item Number

SKUGTIN
439193-200L04061837287510
439193-20L-N204061837479106
439193-4L04061837479120
439193-4X4L04061837479137
439193-50L-P2-4A04061838511966
439193-18L04061837479090
439193-20L04061832246000
439193-20L-P204061837479113
439193-20L-P2-4A04061837287527
439193-VS-50L-P104061841232797