Titanium(III) sulfide

Names
IUPAC name

titanium(3+);trisulfide

Other names

* Dititanium trisulfide
* Titanium sesquisulfide

Identifiers

CAS Number

* 12039-16-6 Y

3D model (JSmol)

* Interactive image

PubChem CID

* 19601280

InChI

* InChI=1S/3S.2Ti/q3*-2;2*+3

Key: JMCREPCAQYAZSN-UHFFFAOYSA-N

SMILES

* [S-2].[S-2].[S-2].[Ti+3].[Ti+3]

Properties

Chemical formula

| Ti2S3
Molar mass | 191.93
Appearance  | black solid
Density | 3.684 g/cm3

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Titanium(III) sulfide, also called dititanium trisulfide or titanium sesquisulfide, is a chemical compound with the formula Ti2S3.

## Preparation

Titanium(III) sulfide is obtained from titanium disulfide, TiS2, by heating at 1000 °C in a vacuum[1] or by reduction with hydrogen at high temperatures.[2] It can also be synthesized by direct combination of the elements under pressure or at 800 °C.[2]

## Properties

Titanium(III) sulfide is a black powder[1] that can also be crystalline or shiny.[2] The crystal has the nickel arsenide structure (hexagonal close-packed), with a coordination number of 6 for titanium.[1]

Titanium(III) sulfide is air- and water-stable at normal temperatures and unlike titanium disulfide does not give off an odor of hydrogen sulfide.

In hot sulfuric acid, Ti2S3 first forms a blue-gray slurry and then a colorless solution, while in cold concentrated sulfuric or nitric acid it forms a green-colored solution. With hot hydrochloric acid it forms hydrogen sulfide.[2]

## References

1. ↑ 1.0 1.1 1.2 Holleman, A. F.; Wiberg, E.; Wiberg, N. (2007). Lehrbuch der Anorganischen Chemie (102nd ed.). Berlin: Walter de Gruyter. pp. 1525. ISBN 978-3-11-017770-1.
2. ↑ 2.0 2.1 2.2 2.3 Gesellschaft Deutscher Chemiker; Deutsche Chemische Gesellschaft (1951) (in de). Titan. Berlin, Heidelberg: Springer Berlin Heidelberg. doi:10.1007/978-3-662-13217-3. ISBN 978-3-662-13218-0. http://link.springer.com/10.1007/978-3-662-13217-3.

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Titanium compounds

Titanium(II)|

* TiCl2
* TiH2
* TiO
* TiS
* TiSi2

| Organotitanium(II) compounds|

[(C5H5)2Ti(CO)2]

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Titanium(III)|

* TiAl
* TiBr3
* TiCl3
* TiF3
* TiI3
* TiN
* TiP
* Ti2O3
* Ti2S3

| Organotitanium(III) compounds|

[(C5H5)2TiCl]2

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Titanium(IV)|

* TiB2
* TiBr4
* TiC
* TiCl4
* Ti(ClO4)4
* TiF4
* H2TiF6
* TiH4
* TiI4
* Ti(NMe2)4
* Ti(NO3)4
* TiO2
* H4TiO4
* Ti4(OCH2CH3)16
* Ti(OCH(CH3)2)4
* Ti(OCH2CH2CH2CH3)4
* KTiOPO4
* NiO*Sb2O3*20TiO2
* TiS2
* TiSe2
* TiSi2

| Titanate compounds|

* BaTiO3
* Ba2TiO4
* Bi4Ti3O12
* CaTiO3
* CaCu3Ti4O12
* CaZrTi2O7
* Cs2TiO3
* Dy2Ti2O7
* EuBaTiO4
* FeTiO3
* Ho2Ti2O7
* Li2TiO3
* MnTiO3
* Na2Ti3O7
* Na0.5Bi0.5TiO3
* NiTiO3
* PbTiO3
* Pb(Zr,Ti)O3
* SrTiO3
* ZnTiO3

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Organotitanium(IV) compounds|

* [(C5H5)2TiCl2]
* [(C5H5)2Ti(CH3)2]
* [(C5H5)2TiS5]
* [(C5H5)2Ti(μ-Cl)(μ-CH2)Al(CH3)2]
* [(η5-C5H4-CH2C6H4OCH3)2TiCl2]

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Sulfides

| H2S
H2S2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | He

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Li2S | BeS |  |  |  |  |  |  |  |  |  |  | B2S3 | CS2
COS | (NH4)SH | O | F | Ne
Na2S
Na2Sx | MgS |  |  |  |  |  |  |  |  |  |  | Al2S3 | SiS
SiS2 | PxSy | S | Cl | Ar
K2S | CaS | Sc2S3 | TiS2 | V | CrS
Cr2S3 | MnS
MnS2 | FeS
Fe3S4 | CoS | NiS | Cu2S
CuS | ZnS | GaS
Ga2S3 | GeS
GeS2 | As2S3
As4S3 | SeS2 | Br | Kr
Rb2S | SrS | Y2S3 | ZrS2 | NbS2 | MoS2 | Tc | Ru | Rh2S3 | PdS | Ag2S | CdS | In2S3 | SnS
SnS2 | Sb2S3
Sb2S5 | TeS2 | I | Xe
Cs2S | BaS | *  | HfS2 | TaS2 | WS2
WS3 | ReS2
Re2S7 | Os | Ir2S3
IrS2 | PtS
PtS2 | Au2S
Au2S3 | HgS | Tl2S | PbS
PbS2 | Bi2S3 | Po | At | Rn
Fr | Ra | **  | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Nh | Fl | Mc | Lv | Ts | Og |  |  |  |  |  |  |  |
|  | ↓ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| * | La2S3 | CeS
Ce2S3 | Pr2S3 | Nd2S3 | Pm2S3 | SmS
Sm2S3 | Eu2S3 | Gd2S3 | Tb2S3 | Dy2S3 | Ho2S3 | Er2S3 | Tm2S3 | Yb2S3 | Lu2S3 |
| ** | Ac | ThS2 | Pa | US2 | Np | Pu | Am | Cm | Bk | Cf | Es | Fm | Md | No | Lr |

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