Chromium(III) hydroxide

Chromium(III) hydroxide
Names
	IUPAC name Chromium(3+) hydroxide
Identifiers
CAS Number	1308-14-1 ;
3D model (JSmol)	ionic form: Interactive image; coordination form: Interactive image;
ChemSpider	145861;
ECHA InfoCard	100.013.781
PubChem CID	166720;
RTECS number	GB2670000;
UNII	DX3N9U5Q97 ;
CompTox Dashboard (EPA)	DTXSID0051651 ;
	InChI InChI=1S/Cr.3H2O/h;3*1H2 Key: LXMQZGGLHVSEBA-UHFFFAOYSA-N;
	SMILES ionic form: [OH-].[OH-].[OH-].[Cr+++]; coordination form: O[Cr](O)O;
Properties
Chemical formula	Cr(OH)3
Molar mass	103.017 g·mol−1
Appearance	green, gelatinous precipitate
Density	3.11 g/cm3
Solubility in water	insoluble
Hazards
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 1 mg/m3
REL (Recommended)	TWA 0.5 mg/m3
IDLH (Immediate danger)	250 mg/m3
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Chromium(III) hydroxide is a gelatinous green inorganic compound with the chemical formula Cr(OH)₃. It is a polymer with an undefined structure and low solubility. It is amphoteric, dissolving in both strong alkalis and strong acids.