SODIUM CYCLOPENTADIENIDE Property

Melting point:

172 °C

Density 

0.946 g/mL at 20 °C

Flash point:

1 °F

storage temp. 

2-8°C

form 

Liquid

color 

dark red

Water Solubility 

Reacts with water.

Sensitive 

Air & Moisture Sensitive

BRN 

969542

Exposure limits

ACGIH: TWA 50 ppm; STEL 100 ppm (Skin)
OSHA: TWA 200 ppm(590 mg/m3)
NIOSH: IDLH 2000 ppm; TWA 200 ppm(590 mg/m3); STEL 250 ppm(735 mg/m3)

InChIKey

PDTZVKVFAJGNRV-UHFFFAOYSA-N

CAS DataBase Reference

4984-82-1(CAS DataBase Reference)

EPA Substance Registry System

Sodium, 2,4-cyclopentadien-1-yl- (4984-82-1)

Safety

Hazard Codes 

F,Xi,C

Risk Statements 

11-19-34-40-37-14/15

Safety Statements 

16-26-36/37/39-45-43

RIDADR 

UN 1993 3/PG 2

WGK Germany 

3

F 

1-10

TSCA 

Yes

HazardClass 

4.3

PackingGroup 

II

HS Code 

29319090

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H225Highly Flammable liquid and vapour

H260In contact with water releases flammable gases which may ignite spontaneously

H314Causes severe skin burns and eye damage

H335May cause respiratory irritation

H336May cause drowsiness or dizziness

H351Suspected of causing cancer

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P231+P232Handle under inert gas. Protect from moisture.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

SODIUM CYCLOPENTADIENIDE Chemical Properties,Usage,Production

Chemical Properties

White to greyish or yellowish powder

Uses

Sodium cyclopentadienide is used as a reagent for the preparation of metallocenes. It is used to prepare Cp-cobaltacycles from diphenylphosphinoalkynes and CoCl(PPh3)3. It is a useful reagent for the preparation of metallocenes and cyclopentadienyl metal complexes.