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Potassium methoxide

Chemical Properties

Melting point -20°C
Boiling point 84°C
Density  0.95 g/mL at 20 °C
vapor pressure  0Pa at 25℃
refractive index  n20/D 1.37
Flash point 7°C
storage temp.  Store below +30°C.
solubility  Soluble in methanol and ethanol.
pka 15.17[at 20 ℃]
form  Liquid
Specific Gravity 0.95
color  Clear colorless
PH 12.8 (7g/l, H2O, 20℃)
Water Solubility  may decompose
Sensitive  Moisture Sensitive
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
BRN  3551544
Exposure limits ACGIH: TWA 200 ppm; STEL 250 ppm (Skin)
OSHA: TWA 200 ppm(260 mg/m3)
NIOSH: IDLH 6000 ppm; TWA 200 ppm(260 mg/m3); STEL 250 ppm(325 mg/m3)
Stability Stable. Reacts violently with water. Moisture sensitive. Absorbs carbon dioxide from the air. Incompatible with acids, strong oxidizing agents, acid chlorides, acid anhydrides, alkali metals.
CAS DataBase Reference 865-33-8(CAS DataBase Reference)
EPA Substance Registry System Methanol, potassium salt (865-33-8)

Safety Information

Hazard Codes  F,T,C
Risk Statements  11-14-34-67-65-63-48/20-39/23/24/25-38-23/24/25
Safety Statements  8-16-26-43-45-62-46-36/37/39-33-29-25
RIDADR  UN 3274 3/PG 2
WGK Germany  1
Autoignition Temperature 30 - 50 °C
HazardClass  4.2
PackingGroup  II
HS Code  29051900


Usage And Synthesis

Preparation Products And Raw materials

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