34940
Sigma-Aldrich

Methanol

puriss. p.a., Reag. Ph. Eur., dried, H₂O, ≥99.9% (GC)

zoom

1 of 1

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

24861670

EG/EC Number

200-659-6

Expand/Collapse All

Descriptions

Other Notes

This former Riedel-de Haën product is now being offered as Sigma-Aldrich brand. During the transition, you still may receive the Riedel product. The rebranding has no impact on product performance or quality. For further information see www.sigma-aldrich.com/rebranding. Printing link to product rebranding statement.

Properties

grade

Reag. Ph. Eur.

vapor density

1.11 (vs air)

vapor pressure

410 mmHg ( 50 °C)

97.68 mmHg ( 20 °C)

grade

puriss. p.a.

assay

≥99.9% (GC)

autoignition temp.

725 °F

quality

H₂O

dried

expl. lim.

36 %

total impurities

≤0.00005% free alkali (as NH₃)

≤0.0001% formaldehyde

≤0.00025% KMnO₄ red. matter (as O)

≤0.001% acetaldehyde (GC)

≤0.001% acetone (GC)

≤0.001% non-volatile matter

≤0.005% water (Karl Fischer)

≤0.1% ethanol (GC)

refractive index

n20/D 1.329(lit.)

64.7 °C(lit.)

−98 °C(lit.)

density

0.791 g/mL at 25 °C(lit.)

anion traces

chloride (Cl^-): ≤0.5 mg/kg

sulfate (SO₄^2-): ≤1 mg/kg

cation traces

Al: ≤0.5 mg/kg

B: ≤0.02 mg/kg

Ba: ≤0.1 mg/kg

Ca: ≤0.5 mg/kg

Cd: ≤0.05 mg/kg

Co: ≤0.02 mg/kg

Cr: ≤0.02 mg/kg

Cu: ≤0.01 mg/kg

Fe: ≤0.1 mg/kg

Mg: ≤0.1 mg/kg

Mn: ≤0.01 mg/kg

Ni: ≤0.02 mg/kg

Pb: ≤0.02 mg/kg

Sn: ≤0.1 mg/kg

Zn: ≤0.1 mg/kg

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%

LEL

6.00%

Flash Point(F)

51.8 °F

Flash Point(C)

11 °C

Related Categories

... Puriss p.a. ACS > M-N, Puriss p.a. ACS

... Solvents > Methanol

MSDS

Certificate of Analysis

More Information

Methanol

puriss. p.a., Reag. Ph. Eur., dried, H2O, ≥99.9% (GC)

puriss. p.a., Reag. Ph. Eur., dried, H₂O, ≥99.9% (GC)