Sodium cyclopentadienide , Null , 4984-82-1

Synonym(s):
Cyclopentadienylsodium solution

CAS NO.：4984-82-1

Empirical Formula: C5H5Na

Molecular Weight: 88.08

MDL number: MFCD00012161

EINECS: 225-636-8

PRODUCT Properties

• 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)
• InChI: InChI=1S/C5H5.Na/c1-2-4-5-3-1;/h1-5H
• InChIKey: PDTZVKVFAJGNRV-UHFFFAOYSA-N
• SMILES: C1([Na])C=CC=C1
• CAS DataBase Reference: 4984-82-1(CAS DataBase Reference)
• EPA Substance Registry System: Sodium, 2,4-cyclopentadien-1-yl- (4984-82-1)

Description and 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.

Safety

• Symbol(GHS): GHS02,GHS05,GHS07,GHS08
• Signal word: Danger
• Hazard statements: H225-H260-H314-H335-H336-H351
• Precautionary statements: P210-P231+P232-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
• 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