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Key Documents

8.20746

Sigma-Aldrich

Potassium methylate

for synthesis

Synonym(s):

Potassium methylate, Potassium methoxide, Potassium methanolate

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About This Item

Empirical Formula (Hill Notation):
CH3KO
CAS Number:
865-33-8
Molecular Weight:
70.13
MDL number:
MFCD00012416
UNSPSC Code:
12352107
EC Index Number:
212-736-1

Quality Level

200

Assay

≥97.0% (acidimetric)

form

powder

autoignition temp.

30-50 °C

pH

12.8 (20 °C, 7 g/L in H2O)

bulk density

750 kg/m3

InChI

1S/CH3O.K/c1-2;/h1H3;/q-1;+1

InChI key

BDAWXSQJJCIFIK-UHFFFAOYSA-N

Analysis Note

Assay (acidimetric): ≥ 97.0 %
Free KOH: ≤ 1.0 %
Identity (IR): passes test

Pictograms

FlameCorrosion
GHS02,GHS05

Signal Word

Danger

Hazard Statements

H251 - H314

Hazard Classifications

Self-heat. 1 - Skin Corr. 1B

Supplementary Hazards

EUH014

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 2

Flash Point(F)

51.8 °F - closed cup

Flash Point(C)

11 °C - closed cup

Certificates of Analysis (COA)

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