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270474

Sigma-Aldrich

Methanol

suitable for HPLC, gradient grade, 99.93%

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Synonym(s):
Methyl alcohol
Linear Formula:
CH3OH
CAS Number:
Molecular Weight:
32.04
Beilstein/REAXYS Number:
1098229
EC Number:
MDL number:
PubChem Substance ID:

grade

gradient grade

Quality Level

vapor density

1.11 (vs air)

vapor pressure

410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

description

gradient analysis <= 0.005 254nm

assay

99.93%

form

liquid

autoignition temp.

725 °F

purified by

sub-micron filtration

expl. lim.

36 %

technique(s)

HPLC: suitable

impurities

H2SO4, passes test (darkened)
≤0.001% acetaldehyde
≤0.001% formaldehyde
≤0.1% 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.)

solubility

H2O: passes test

density

0.791 g/mL at 25 °C (lit.)

λ

H2O reference

UV absorption

λ: 203 nm Amax: 1.00
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

format

neat

SMILES string

CO

InChI

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

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

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1 of 4

This Item
MX0475MX0488MX0480
vibrant-m

270474

Methanol

vibrant-m

MX0475

Methanol

vibrant-m

MX0488

Methanol

vibrant-m

MX0480

Methanol

assay

99.93%

assay

≥99.8% (GC)

assay

≥99.9% (GC)

assay

≥99.9% (GC)

grade

gradient grade

grade

-

grade

-

grade

-

solubility

H2O: passes test

solubility

-

solubility

-

solubility

-

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.)

form

liquid

form

liquid

form

liquid

form

liquid

Application

Meets ACS specifications.

Other Notes

Contains MnO4- reducers

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

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_c

9.7 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves


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