Sodium cyclopentadienide

Sodium cyclopentadienide
	; The cyclopentadienide anion
Names
	Preferred IUPAC name Sodium cyclopentadienide
	Other names Sodium cyclopentadienylide, Cyclopentadienylsodium
Identifiers
CAS Number	4984-82-1 ;
3D model (JSmol)	Interactive image;
ChemSpider	71032 ;
ECHA InfoCard	100.023.306
EC Number	225-636-8;
PubChem CID	78681;
CompTox Dashboard (EPA)	DTXSID9063665 ;
	InChI InChI=1S/C5H5.Na/c1-2-4-5-3-1;/h1-5H;/q-1;+1 Key: OHUVHDUNQKJDKW-UHFFFAOYSA-N ; InChI=1S/C5H5.Na/c1-2-4-5-3-1;/h1-5H;/q-1;+1; Key: OHUVHDUNQKJDKW-UHFFFAOYSA-N;
	SMILES [Na+].c1[cH-]ccc1;
Properties
Chemical formula	C5H5Na
Molar mass	88.085 g·mol−1
Appearance	colorless solid
Density	1.113 g/cm3
Solubility in water	decomposition
Solubility	THF
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	flammable
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Sodium cyclopentadienide is an organosodium compound with the formula C₅H₅Na. The compound is often abbreviated as NaCp, where Cp⁻ is the cyclopentadienide anion. Sodium cyclopentadienide is a colorless solid, although samples often are pink owing to traces of oxidized impurities.

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