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900641

Sigma-Aldrich

Methanol

≥99.8%, ZerO2®, anhydrous

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Synonym(s):
Degassed and low oxygen methanol, Methanol ZerO2®, Methyl alcohol
Linear Formula:
CH3OH
CAS Number:
67-56-1
Molecular Weight:
32.04
Beilstein:
1098229
EC Number:
200-578-6
MDL number:
MFCD00004595
UNSPSC Code:
12352104
NACRES:
NA.21

grade

ZerO2®

Quality Level

100

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

quality

anhydrous

expl. lim.

36 %

impurities

≤0.002% water
water

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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Application

ZerO2 products are rigorously degassed with highly pure inert gas providing solvents and solutions (anhydrous if specified) with very low residual oxygen content.

Legal Information

ZerO2 is a registered trademark of Sigma-Aldrich Co. LLC

Signal Word

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

WGK

WGK 2

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Regulatory Information

危险化学品

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’.

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