Chromium(III) perchlorate
Names | |
---|---|
Other names
Chromium(III) perchlorate; Chromium triperchlorate
| |
Identifiers | |
| |
3D model (JSmol)
|
|
ChemSpider | |
EC Number |
|
PubChem CID
|
|
CompTox Dashboard (EPA)
|
|
| |
| |
Properties | |
Cr(ClO4)3 | |
Molar mass | 350.3489 |
Appearance | cyan solid |
anhydrous: 58 g/100 mL (25 °C) hexahydrate: 130 g/100 mL (20 °C)[1] | |
Solubility | soluble in ethanol |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards
|
poisonous |
GHS labelling:[2] | |
Signal word
|
Danger |
H271, H315, H319, H335 | |
Related compounds | |
Related compounds
|
chromium(III) chloride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
Infobox references | |
Chromium(III) perchlorate is an inorganic compound with the chemical formula Cr(ClO4)3. It's hexahydrate Cr(ClO4)3·6H2O is a cyan solid that dissolves in water.
Preparation[]
Chromium perchlorate can prepared by reacting chromium(III) oxide or chromium(III) hydroxide with perchloric acid:
- Cr2O3 + 6HClO4 → 2Cr(ClO4)3 + 3H2O
Hydrates[]
Chromium perchlorate has many hydrates, such as the hexahydrate Cr(ClO4)3·6H2O[1] and a nonahydrate Cr(ClO4)3·9H2O.[3] All of them are cyan substances that are soluble in water.
Related compounds[]
- Cr(ClO4)3 will react with NH3 in suitable conditions to form an orange hexammine complex Cr(ClO4)3·6NH3.[4] Other compounds with the general formula Cr(ClO4)3(NH3)x are also known. When x = 3, this compound is red, when x = 4 or 5, it is orange.[5] The hexammine complex will explode.[5]
- Cr(ClO4)3 can also form complexes with N2H4, such as purple Cr(ClO4)3·2N2H4.[6]
- Cr(ClO4)3 can also form complexes with urea (CO(NH2)2), such as Cr(ClO4)3·6CO(NH2)2 with a hexagonic structure.[7]
References[]
- ^ a b William M. Haynes, ed. (2016). CRC Handbook of Chemistry and Physics (97 ed.). CRC Press. pp. 4–57. ISBN 9781498754293.
- ^ Elements, American. "Chromium Perchlorate Hexahydrate". American Elements. Retrieved 11 December 2021.
- ^ Chromium Perchlorate
- ^ Handbook of inorganic substances 2017 – Google Sách.
- ^ a b Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3278. ISBN 978-0-412-30120-9.
- ^ http://chemistry-chemists.com/chemister/Neorganika/inorganic-hydrazine-derivatives-2014.pdf. Archived 2020-03-26 at the Wayback Machine
- ^ Barbieri, G. A. (17 September 1913). "Über Eisen-Harnstoffverbindungen" (PDF). Chemisches Zentralblatt (12): 1035.
HClO4 | He | ||||||||||||||||
LiClO4 | B(ClO 4)− 4 |
NH4ClO4 |
H3OClO4 | FClO4 | Ne | ||||||||||||
NaClO4 | Mg(ClO4)2 | Al(ClO 4)− 4 Al(ClO 4)3− 6 |
Si | P | S | ClO− 4 ClOClO3 Cl2O7 |
Ar | ||||||||||
KClO4 | Ca(ClO4)2 | Sc(ClO4)3 | Ti(ClO4)4 | VO(ClO4)3 VO2(ClO4) |
Cr(ClO4)3 | Fe(ClO4)2 | , |
Cu(ClO4)2 | Ge | As | Se | Br | Kr | ||||
RbClO4 | Sr(ClO4)2 | Zr(ClO4)4 | Mo | Tc | Ru | Rh(ClO4)3 | AgClO4 | Sb | I | Xe | |||||||
CsClO4 | Ba(ClO4)2 | W | Re | Os | Ir | Pt | Au | , |
, |
Po | At | Rn | |||||
Ra | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Nh | Fl | Mc | Lv | Ts | Og | ||
↓ | |||||||||||||||||
La | Pr | Nd | Pm | ||||||||||||||
Ac | Pa | Np | Pu | Am | Cm | Bk | Cf | Es | Fm | Md | No | Lr |
Categories:
- Chromium(III) compounds
- Perchlorates