GOLD(I) SULFIDE Chemical Properties

Melting point:

decomposes at 240℃ [CRC10]

Density 

11.000

solubility 

insoluble in H2O, acid solutions; soluble in aquaregia

form 

brown-black cubic crystals

color 

brown-black cubic crystals, crystalline; unstable

Water Solubility 

insoluble H2O, dilute single acids; soluble aqua regia, alkali cyanide solutions [MER06] [KIR78]

Crystal Structure

Cu2O type

crystal system

Cube

Space group

Pn3m

Lattice constant

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.502	0.502	0.502	90	90	90	0.1265

EPA Substance Registry System

Gold sulfide (Au2S) (1303-60-2)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36

WGK Germany 

3

MSDS

• Language:English Provider:SigmaAldrich

GOLD(I) SULFIDE Usage And Synthesis

Chemical Properties

brownish black powder(s); forms colloid in H2O when freshly prepared by treatment of acidified KAu(CN)2 solutions with H2S [MER06] [KIR78]

GOLD(I) SULFIDE(1303-60-2)Related Product Information

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