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865-33-8 molecular structure
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potassium methanolate

ChemBase ID: 146040
Molecular Formular: CH3KO
Molecular Mass: 70.13222
Monoisotopic Mass: 69.9820964
SMILES and InChIs

SMILES:
C[O-].[K+]
Canonical SMILES:
[O-]C.[K+]
InChI:
InChI=1S/CH3O.K/c1-2;/h1H3;/q-1;+1
InChIKey:
BDAWXSQJJCIFIK-UHFFFAOYSA-N

Cite this record

CBID:146040 http://www.chembase.cn/molecule-146040.html

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NAMES AND DATABASE IDS

NAMES AND DATABASE IDS

Names Database IDs
IUPAC name
potassium methanolate
IUPAC Traditional name
potassium methoxide
Synonyms
Potassium methylate
Potassium methoxide
Potassium methoxide solution
甲醇钾
甲醇钾 溶液
CAS Number
865-33-8
EC Number
212-736-1
MDL Number
MFCD00012416
Beilstein Number
3551544
PubChem SID
24881873
24857610
162240239
24881871
PubChem CID
23664618

DATA SOURCES

DATA SOURCES

All Sources Commercial Sources Non-commercial Sources
Data Source Data ID
PubChem 23664618 external link

CALCULATED PROPERTIES

CALCULATED PROPERTIES

JChem
Acid pKa 15.775593  H Acceptors
H Donor LogD (pH = 5.5) -0.51857704 
LogD (pH = 7.4) -0.5185771  Log P -0.51857704 
Molar Refractivity 18.8116 cm3 Polarizability 2.9253356 Å3
Polar Surface Area 23.06 Å2 Rotatable Bonds
Lipinski's Rule of Five true 

PROPERTIES

PROPERTIES

Physical Property Safety Information Product Information Bioassay(PubChem)
Apperance
Liquid expand Show data source
Powder expand Show data source
Flash Point
11 °C expand Show data source
51.8 °F expand Show data source
Density
0.95 g/mL at 20 °C expand Show data source
Refractive Index
n20/D 1.37 expand Show data source
Storage Warning
Air & Moisture Sensitive expand Show data source
European Hazard Symbols
Corrosive Corrosive (C) expand Show data source
Flammable Flammable (F) expand Show data source
Toxic Toxic (T) expand Show data source
UN Number
3206 expand Show data source
3274 expand Show data source
UN3206 expand Show data source
UN3274 expand Show data source
MSDS Link
Download expand Show data source
Download expand Show data source
Download expand Show data source
German water hazard class
1 expand Show data source
Hazard Class
3 expand Show data source
4.2 expand Show data source
Packing Group
2 expand Show data source
II expand Show data source
Risk Statements
11-14-23/24/25-34-39/23/24/25 expand Show data source
11-14-34 expand Show data source
11-23/24/25-34-39/23/24/25 expand Show data source
Safety Statements
16-26-36/37/39-45 expand Show data source
8-16-26-43-45 expand Show data source
TSCA Listed
expand Show data source
GHS Pictograms
GHS02 expand Show data source
GHS05 expand Show data source
GHS06 expand Show data source
GHS08 expand Show data source
GHS Signal Word
Danger expand Show data source
GHS Hazard statements
H225-H251-H301-H311-H314-H331-H370 expand Show data source
H225-H301-H311-H331-H370-H314-H318 expand Show data source
H228-H251-H314-H318 expand Show data source
H251-H314 expand Show data source
GHS Precautionary statements
P210-P235 + P410-P260-P280-P301 + P310-P305 + P351 + P338 expand Show data source
P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A expand Show data source
P210-P280-P303+P361+P353-P305+P351+P338-P310 expand Show data source
P235 + P410-P280-P305 + P351 + P338-P310 expand Show data source
Personal Protective Equipment
Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges expand Show data source
Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter expand Show data source
RID/ADR
UN 3206 4.2/PG 2 expand Show data source
UN 3274 3/PG 2 expand Show data source
Supplemental Hazard Statements
Reacts violently with water. expand Show data source
Purity
≥90% (T) expand Show data source
5% w/v in methanol expand Show data source
90+% expand Show data source
95% expand Show data source
Concentration
~25% in methanol (T) expand Show data source
Grade
technical expand Show data source
Impurities
~2% K2CO3 and KOH expand Show data source
Linear Formula
CH3OK expand Show data source

DETAILS

DETAILS

Sigma Aldrich Sigma Aldrich
Sigma Aldrich - 292788 external link
Packaging
250 g in steel can
5 g in glass bottle
Sigma Aldrich - 60402 external link
Packaging
1 L in glass bottle
250 mL in glass bottle

REFERENCES

REFERENCES

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PATENTS

PATENTS

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INTERNET

INTERNET

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