THALLIUM (I) SULFIDE Chemical Properties

Melting point:

448.5°

Boiling point:

1367°C

Density 

8.39

solubility 

slightly soluble in alkaline solutions; soluble in acid solutions

form 

blue-black crystals

color 

blue-black crystals, crystalline

Water Solubility 

slightly soluble H2O, alkali hydroxides, sulfides, cyanides; soluble mineral acids [MER06]

Merck 

13,9341

crystal system

Three sides

Space group

R3

Solubility Product Constant (Ksp)

pKsp: 20.30

Lattice constant

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
1.212	1.212	1.8175	90	90	120	2.3121

EPA Substance Registry System

Thallium sulfide (Tl2S) (1314-97-2)

Safety Information

Hazard Codes 

T+,N

Risk Statements 

26/28-33-51/53

Safety Statements 

13-28-45-61

RIDADR 

UN 1707 6.1/PG 2

WGK Germany 

3

HazardClass 

6.1(a)

PackingGroup 

II

MSDS

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THALLIUM (I) SULFIDE Usage And Synthesis

Chemical Properties

Blue-black, lustrous, microscopic crystals or amorphous powder. Soluble in mineral acids; insoluble in water, alcohol, or ether.

Uses

Thallium sulfide (Tl2S) is used to make infrared-sensitive photoelectric cells and as a pesticide.

Uses

Infrared-sensitive photocells.

THALLIUM (I) SULFIDE(1314-97-2)Related Product Information

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