154903
Sigma-Aldrich

Methanol

ACS spectrophotometric grade, ≥99.9%

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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

PubChem Substance ID

24849311

EG/EC Number

200-659-6

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Descriptions

Packaging

1, 6×1, 2, 4×2, 4×4 L in glass btl

Properties

grade

ACS spectrophotometric grade

vapor density

1.11 (vs air)

vapor pressure

410 mmHg ( 50 °C)

97.68 mmHg ( 20 °C)

assay

≥99.9%

autoignition temp.

725 °F

expl. lim.

36 %

total impurities

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.)

H₂O reference

UV absorption

λ: 205 nm A_max: 1.00

λ: 210 nm A_max: 0.80

λ: 220 nm A_max: 0.40

λ: 230 nm A_max: 0.20

λ: 240 nm A_max: 0.10

λ: 260 nm A_max: 0.04

λ: 280-400 nm A_max: 0.01

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

... Solvents > Methanol

... Amber Glass Bottles > Spectrophotometric Grade

... Solvents > Spectrophotometric Grade Solvents

Methanol

Compare Methanol Specifications

MSDS

Specification Sheet

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