Selenium disulfide

IUPAC name[hide]

Selenium disulfide

Other names[hide]

Selenium sulfide

Identifiers

CAS number

7488-56-4 

PubChem

24087

MeSH

Selenium+sulfide

ChEMBL

CHEMBL1200680 ^N

RTECS number

VS8925000

ATC code

D01AE13

Jmol-3D images

Image 1

SMILES

[hide]

·                                 S=[Se]=S

InChI

[hide]

·                                 InChI=1S/S2Se/c1-3-2

Properties

Molecular formula

SeS₂

Molar mass

143.09 g/mol

Appearance

orange to brown powder

Odor

faint

Melting point

-249.5 °C, 24 K, -417 °F

Boiling point

-112 °C, 161 K, -170 °F

Solubility in water

negligible

Solubility

soluble in ammonium monosulfide
negligible in organic solvents

Acidity (pK_a)

2-6

Hazards

EU Index

034-002-00-8

EU classification

Toxic (T)
Dangerous for the environment (N)

R-phrases

R23/25, R33, R50/53

S-phrases

(S1/2), S20/21, S28, S45, S60, S61

Related compounds

Other anions

Selenium dioxide
Selenic acid
Selenious acid

Other cations

Hydrogen sulfide

 N (verify) (what is: Y/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)