Potassium

$44.9 - $2940

Price

Brand	Packaging	Price	Product name
A2B AB78465	1g	$116	Potassium
A2B AB78465	5g	$156	Potassium
A2B AB78465	25g	$428	Potassium
Sigma-Aldrich 06949	500ml	$280	Conductivity Standard
Sigma-Aldrich 244864	50g	$174	Potassium
Sigma-Aldrich 64181	500ml	$205	Conductivity Standard
Sigma-Aldrich 51715	500ml	$254	Conductivity Standard
Sigma-Aldrich 41303	500ml	$265	Conductivity Standard
Sigma-Aldrich 51795	500ml	$265	Conductivity Standard
Sigma-Aldrich 06811	500ML	$265	Conductivity Standard

1of3

Melting point	64 °C (lit.)
Boiling point	760 °C (lit.)
Density	0.86 g/mL at 25 °C (lit.)
vapor pressure	0.09 mm Hg ( 260 °C)
refractive index	n20/D 1.334
storage temp.	2-8°C
solubility	H₂O: soluble
form	rod
color	Silver/gray
Specific Gravity	0.86
PH	5.0 (H2O, 20°C)
Odor	Odorless
Flame Color	Lilac or pale violet
Resistivity	6.1 μΩ-cm, 20°C
Water Solubility	reacts
Sensitive	Air & Moisture Sensitive
Exposure limits	ACGIH: TWA 2 ppm; STEL 4 ppm OSHA: TWA 2 ppm(5 mg/m3) NIOSH: IDLH 25 ppm; TWA 2 ppm(5 mg/m3); STEL 4 ppm(10 mg/m3)
Dielectric constant	5（0.0℃）
Stability	Stable. Moisture and air-sensitive. Spontaneously combustible through the generation and ignition of hydrogen. Reacts violently with water and acids, alcohols, carbon monoxide. Store under oil.
CAS DataBase Reference	7440-09-7(CAS DataBase Reference)
NIST Chemistry Reference	Potassium(7440-09-7)
EPA Substance Registry System	Potassium (7440-09-7)