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Merck

154903

Sigma-Aldrich

Methanol

≥99.9%, ACS spectrophotometric grade, suitable for UV/Vis spectroscopy

Synonym(e):

Methylalkohol

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About This Item

Lineare Formel:
CH3OH
CAS-Nummer:
Molekulargewicht:
32.04
Beilstein:
1098229
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352104
eCl@ss:
39020101
PubChem Substanz-ID:
NACRES:
NA.21

product name

Methanol, ACS spectrophotometric grade, ≥99.9%

Qualität

ACS spectrophotometric grade

Qualitätsniveau

Dampfdichte

1.11 (vs air)

Dampfdruck

410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

Assay

≥99.9%

Form

liquid

Selbstzündungstemp.

725 °F

Expl.-Gr.

36 %

Methode(n)

UV/Vis spectroscopy: suitable

Verunreinigungen

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

Abdampfrückstand

≤0.001%

Farbe

APHA: ≤10
clear

Brechungsindex

n20/D 1.329 (lit.)

bp

64.7 °C (lit.)

mp (Schmelzpunkt)

−98 °C (lit.)

Dichte

0.791 g/mL at 25 °C (lit.)

λ

H2O reference

UV-Absorption

λ: 205 nm Amax: 1.00
λ: 210 nm Amax: 0.80
λ: 220 nm Amax: 0.40
λ: 230 nm Amax: 0.20
λ: 240 nm Amax: 0.10
λ: 260 nm Amax: 0.04
λ: 280-400 nm Amax: 0.01

Anwendung(en)

food and beverages

Format

neat

Lagertemp.

room temp

SMILES String

CO

InChI

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

InChIKey

OKKJLVBELUTLKV-UHFFFAOYSA-N

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Verwandte Kategorien

Allgemeine Beschreibung

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.

Anwendung

Used as a solvent in:
  • Preparation of self-assembled monolayers (SAMs) of sulfur derivatives with bactericidal terminal fragments on gold surfaces prior to analytical characterization
  • Measurement of soluble absorption spectra of PTFE samples

Angaben zur Herstellung

filtriert durch einen 0.2 μm Filter

Signalwort

Danger

Gefahreneinstufungen

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

Zielorgane

Eyes,Central nervous system

WGK

WGK 2

Flammpunkt (°F)

closed cup

Flammpunkt (°C)

closed cup


Analysenzertifikate (COA)

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Electrocatalysis by ad-atoms: Part II. Enhancement of the oxidation of methanol on platinum by ruthenium ad-atoms.
Watanabe MA and Motoo S.
J. Electroanal. Chem. Interfac. Electrochem., 60(3), 267-273 (1975)
The conversion of methanol and other O-compounds to hydrocarbons over zeolite catalysts.
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J. Catal., 47(2), 249-259 (1977)
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