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Alfa Aesar™ Potassium, chunks, in mineral oil, 98%

Chemical Identifiers

Chemical Name or Material Potassium
CAS 7440-09-7
Name Note chunks, in mineral oil
Formula Weight 39.10g/mol
MDL Number MFCD00133776
UN Number UN2257
Merck Index 14,7604
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAL1326714

 
alfa aesar™
L13267-14
25g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAL1326722

 
alfa aesar™
L13267-22
100g CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Density 0.860g/mL
Odor Odorless
Quantity 25g
Sensitivity Air & Moisture Sensitive
Color Silver/gray
Melting Point 63 to 64°C
Boiling Point 765 to 770°C
Quantity 25g
Chemical Name or Material Potassium
Name Note chunks, in mineral oil
CAS 7440-09-7
Physical Form Solid
Assay 98%
Formula Weight 39.10g/mol
MDL Number MFCD00133776
UN Number UN2257
Merck Index 14,7604
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H260-H314-H318
In contact with water releases flammable gases which may ignite spontaneously.
Causes severe skin burns and eye damage.
Causes serious eye damage.
Health Hazard 3 GHS P Statement
P231+P232-P260-P303+P361+P353-P305+P351+P338-P405-P501a
Handle under inert gas.
Protect from moisture.
Do not breathe dust/fume/gas/mist/vapors/spray.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing.
Rinse skin with water/shower.
IF IN EYES: Rinse cautiously with water for several minutes.
Remove contact lenses, if present and easy to do.
Continue rinsing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
DOT Information Transport Hazard Class: 4.3; Packaging Group: I; Proper Shipping Name: POTASSIUM
RTECS Number TS6460000
TSCA TSCA

Applications
Potassium forms a blue solution in tetrahydrofoliate which is used for the ɑ -monoalkylation of -lactones in the presence of 18-crown-6. It is used for generation of potassium ethoxide in solution, for use in the Birch reduction of an aromatic ring, for preparation of potassium amide,

Solubility
Reacts with water.

Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Handle and store under inert gas. Incompatible with strong oxidizing agents.

Safety and Handling

Danger

GHS P Statement
P231+P232-P260-P303+P361+P353-P305+P351+P338-P405-P501a
Handle under inert gas.
Protect from moisture.
Do not breathe dust/fume/gas/mist/vapors/spray.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing.
Rinse skin with water/shower.
IF IN EYES: Rinse cautiously with water for several minutes.
Remove contact lenses, if present and easy to do.
Continue rinsing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H260-H314-H318
In contact with water releases flammable gases which may ignite spontaneously.
Causes severe skin burns and eye damage.
Causes serious eye damage.