Potassium suppliers

Properties

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

Odor：

Odorless

PH：

5.0 (H2O, 20°C)

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.

SecurityInformation

Symbol(GHS) ：

GHS02,GHS05

Signal word ：

Danger

Hazard statements ：

H260-H314

Precautionary statements ：

P223-P231+P232-P260-P280-P303+P361+P353-P305+P351+P338

Hazard Codes ：

F,C,Xi,T

Risk Statements ：

14/15-34-36/38-23/24/25

Safety Statements ：

8-43-45-5B-5*-36/37/39-26-5-27

RIDADR ：

UN 2257 4.3/PG 1

WGK Germany ：

2

RTECS ：

TS8050000

F ：

8

Autoignition Temperature：

25 °C or below in air or oxygen

TSCA ：

Yes

HS Code ：

2827 39 85

HazardClass ：

4.3

PackingGroup ：

I

Toxicity：

Ignites in air and reacts explosively with water; highly corrosive to the skin and eyes. Potassium reacts with the moisture on skin and other tissues to form highly corrosive potassium hydroxide. Contact of metallic potassium with the skin, eyes, or mucous membranes causes severe burns; thermal burns may also occur due to ignition of the metal and liberated hydrogen.