Flake Potassium Hydroxide CAS#1310-58-3

Potassium hydroxide Chemical Properties

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.

Cosmetics Ingredients Functions

BUFFERING

InChI

1S/K.H2O/h;1H2/q+1;/p-1

InChIKey

KWYUFKZDYYNOTN-UHFFFAOYSA-M

SMILES

[OH-].[K+]

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)

Safety Information

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

OEL

Ceiling: 2 mg/m3

WGK Germany 

1

RTECS 

TT2100000

F 

3

Autoignition Temperature

425 °C (ethanol)

TSCA 

TSCA listed

HazardClass 

8

PackingGroup 

II

HS Code 

28259090

Storage Class

8A - Combustible corrosive hazardous materials

Hazard Classifications

Acute Tox. 4 Oral
Eye Dam. 1
Met. Corr. 1
Skin Corr. 1A

Hazardous Substances Data

1310-58-3(Hazardous Substances Data)

Toxicity

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