Potassium phosphide

Potassium phosphide
	; Crystal structure of potassium phosphide (K3P)
Names
	Other names Tripotassium;phosphanide; Tripotassium;phosphorus(3-); Tripotassium phosphide;
Identifiers
CAS Number	20770-41-6;
3D model (JSmol)	Interactive image;
ChemSpider	11219118;
ECHA InfoCard	100.040.004
EC Number	244-021-5;
PubChem CID	22182308;
UNII	2F09226A2C;
CompTox Dashboard (EPA)	DTXSID6066652;
	InChI InChI=1S/3K.P/q3*+1;-3 Key: YCIITCDBMPCIPR-UHFFFAOYSA-N;
	SMILES [P-3].[K+].[K+].[K+];
Properties
Chemical formula	K3P
Molar mass	148.269 g mol−1
Appearance	White crystalline solid or powder
Thermochemistry
Std molar; entropy (S⦵298)	49.8 J mol−1 K−1
Std enthalpy of; formation (ΔfH⦵298)	-1.77 kJ mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Potassium phosphide is an inorganic semiconductor compound with the formula K₃P. It appears as a white crystalline solid or powder. It reacts violently with water and is toxic via ingestion, inhalation and skin absorption. It has a hexagonal structure.

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