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Sigma-Aldrich

Methanol

NMR reference standard

Synonym(s):

Methyl alcohol

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About This Item

Linear Formula:
CH3OH
CAS Number:
67-56-1
Molecular Weight:
32.04
Beilstein:
1098229
EC Number:
200-659-6
MDL number:
MFCD00004595
UNSPSC Code:
12352200
PubChem Substance ID:
329763539
NACRES:
NA.12

grade

NMR reference standard

Quality Level

200

vapor density

1.11 (vs air)

vapor pressure

410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

form

liquid

autoignition temp.

725 °F

expl. lim.

36 %

technique(s)

NMR: suitable

NMR tube size

5 mm × 7 in.
5 mm × 8 in.

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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Features and Benefits

Low temperature calibration

Quantity

5 mm O.D. tube contains 0.700 mL.

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

Certificates of Analysis (COA)

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