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7447-40-7 structure, ClK
Potassium chloride
CAS No.: 7447-40-7 Formula: ClK Molecular Weight: 74.55130
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7447-40-7 structure, ClK

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7447-40-7 structure, ClK

Potassium chloride

CAS No.:

7447-40-7

 Formula:

ClK

 Molecular Weight: 74.55130
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Description

The chemical compound potassium chloride (KCl) is a metal halide salt composed of potassium and chloride. It is odorless and has a white or colorless vitreous crystal appearance. The solid dissolves readily in water and its solutions have a salt-like taste. KCl is used in medicine, scientific applications, food processing, and used to cause cardiac arrest as the third drug in the "three drug cocktail" for executions by lethal injection. It occurs naturally as the mineral sylvite and in combination with sodium chloride as sylvinite.

Basic Info

Chemical Name

 Potassium chloride

Synonyms

Sylvite; Muriate of potash;

CAS No.

 7447-40-7

Molecular Formula

 ClK

Molecular Weight

 74.55130

PSA

 0.00000

LogP

 -2.99600

Numbering system

UNII 660YQ98I10

Properties

Appearance & Physical State

 white crystals

Density

 1.984

Boiling Point

 1420ºC

Melting Point

 770ºC

Flash Point

 1420ºC

Refractive Index

 n20/D 1.334

Water Solubility

 340 g/L (20 ºC)

Stability

 Stable. Incompatible with strong oxidizing agents, strong acids. Protect from moisture. Hygroscopic.

Storage Condition

 2-8ºC

Safety Info

RTECS

 TS8050000

Hazard Class

 5.1

Safety Statements

 S26-S39

HS Code

 3104209000

Packing Group

 II

WGK Germany

 1

Risk Statements

 R36

Hazard Codes

 Xi
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