320390
Sigma-Aldrich

Methanol

ACS reagent, ≥99.8%

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Synonym

Methyl alcohol

Molecular Formula

CH₃OH

Molecular Weight

32.04

CAS Number

67-56-1

Beilstein Registry Number

1098229

MDL number

MFCD00004595

EG/EC Number

200-659-6

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Descriptions

Packaging

1, 4, 4×4 L in PVC coated

18 L in VerSA-Flow™

1L, 4L, 4×4L packaged in poly-coated bottles; 18L packaged in VerSA-Flow^™ containers

Legal Information

VerSA-Flow is a trademark of Sigma-Aldrich Biotechnology LP and Sigma-Aldrich Co.

Properties

grade

ACS reagent

vapor density

1.11 (vs air)

vapor pressure

410 mmHg ( 50 °C)

97.68 mmHg ( 20 °C)

assay

≥99.8%

autoignition temp.

725 °F

expl. lim.

36 %

total impurities

H₂SO₄, passes test(darkened)

MnO₄^- reducers, passes test

≤0.0002 meq/g Titr. base

≤0.0003 meq/g Titr. acid

≤0.001% Acetone

≤0.001% acetaldehyde

≤0.001% formaldehyde

≤0.1% water

evapn. residue

≤0.001%

color

≤10(APHA)

clear

refractive index

n20/D 1.329(lit.)

64.7 °C(lit.)

−98 °C(lit.)

density

0.791 g/mL at 25 °C(lit.)

References

Merck

Merck 13,5984

Beilstein

Beil. 1,IV,1227

reference

Aldrich MSDS 1, 1202:C / Corp MSDS 1 (2), 2281:C / FT-IR 2 (1), 160:B / FT-IR 1 (1), 109:B / FT-NMR 1 (1), 163:A / IR-Spectra (3), 66:A / IR-Spectra (2), 64:A / NMR-Reference 2 (1), 101:A / RegBook 1 (1), 121:A / Sax 6, 1764 / Sigma FT-IR 1 (1), 1344:A / Structure Index 1, 14:A:1 / Vapor Phase 3, 155:B

Safety

Hazard Codes

F,T

Risk Statements

11-23/24/25-39/23/24/25

Safety Statements

7-16-36/37-45

RIDADR

UN1230 3/PG 2

WGK Germany

RTECS

PC1400000

UEL

36.00%(V)

LEL

6.00%(V)

Flash Point(F)

51.8 °F

Flash Point(C)

11 °C

Related Categories

... PVC Coated Bottles > ACS Grade

... VerSA-Flow™ Products > ACS Grade

... Solvents > ACS Grade Solvents

... Solvents > Methanol

Methanol

Compare Methanol Specifications

MSDS

Specification Sheet

Certificate of Analysis

Certificate of Origin

More Information