Potassium Hydroxide

361°C (lit.)

Boiling point

1320°C

Density

1.450 g/mL at 20 °C

Vapor pressure

1 mm Hg ( 719 °C)

Refractive index

n20/D 1.421

Fp

52 °F

Storage temp.

Store at +5°C to +30°C.

Solubility

H2O: 1 M at 20 °C, clear, colorless

Form

Powder

Specific Gravity

1.09

Color

White

Odor

Odorless

PH

10.98(1 mM solution);11.95(10 mM solution);12.88(100 mM solution);

Explosive limit

3.5-15.0%(V) (ethanol)

Water Solubility

Soluble

Sensitive

Air Sensitive & Hygroscopic

Merck

14,7640

Exposure limits

Ceiling in air 2 mg/m3 (ACGIH).

Dielectric constant

3.3（Ambient）

Stability:

Stable, but very hygroscopic. Dissolves exothermically in water. Incompatible with most metals, strong acids, acid chlorides, organic materials, zinc, aluminium, nitroalkanes, nitrobenzene, chlorine dioxide. Reacts vigorously with a wide variety of other materials. Readily absorbs water and carbon dioxide from the air.

InChIKey

KWYUFKZDYYNOTN-UHFFFAOYSA-M

LogP

-1.380 (est)

CAS DataBase Reference

1310-58-3(CAS DataBase Reference)

NIST Chemistry Reference

Potassium hydroxide(1310-58-3)

EPA Substance Registry System

Potassium hydroxide (1310-58-3)

Hazard Codes

C,F,T,Xi

Risk Statements

34-35-22-11-39/23/24/25-23/24/25-36/38-36/37-67-52/53

Safety Statements

7-16-36/37-45-36/37/39-26-61

RIDADR

UN 2924 3/PG 2

WGK Germany

1

RTECS

TT2100000

F

3

Autoignition Temperature

425 °C (ethanol)

TSCA

Yes

HazardClass

8

PackingGroup

II

HS Code

28259090

Hazardous Substances Data

1310-58-3(Hazardous Substances Data)

Toxicity

LD50 orally in rats: 1.23 g/kg (Smyth)