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4984-82-1 structure, C5H5Na
Sodium cyclopentadienide
CAS No.: 4984-82-1 Formula: C5H5Na Molecular Weight: 88.08300
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Sodium cyclopentadienide

CAS No.:

4984-82-1

Formula:

C5H5Na

Molecular Weight: 88.08300
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Description

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.

Basic Info

Chemical Name

Sodium cyclopentadienide

Synonyms

SODIUM CYCLOPENTADIENIDE; Cyclopentadienylsodium;

CAS No.

4984-82-1

Molecular Formula

C5H5Na

Molecular Weight

88.08300

PSA

0.00000

LogP

1.45020

Numbering system

EINECS number 225-636-8

Properties

Appearance & Physical State

white to greyish or yellowish powder

Density

0.946 g/mL at 20 °C

Boiling Point

41.5ºC at 760mmHg

Flash Point

1 °F

Storage Condition

2-8ºC

Safety Info

Hazard Class

4.3

Safety Statements

S16; S26; S36/37/39; S45

Packing Group

II

WGK Germany

3

RIDADR

UN 1993 3/PG 2

Risk Statements

R11

Hazard Codes

F; Xi

Signal Word

Danger

Caution Statement

P210; P231 + P232; P280; P370 + P378; P402 + P404; P403 + P235

Hazard Declaration

H225; H260; H302; H314; H335; H351

Symbol

GHS02, GHS05, GHS07, GHS08

Supplemental Hazard Statements

May form explosive peroxides.
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