Sodium, 2,4-cyclopentadien-1-yl-

HCID 78681
NotesReactions
Substructure searchFind similar structures

Basic information

CAS
4984-82-1
Standard SMILES
[Na+].c1cc[cH-]c1
InChIKey
OHUVHDUNQKJDKW-UHFFFAOYSA-N
Molecular formula
C5H5Na
Average molar mass
88.08 g/mol
Monoisotopic mass
88.02889444

Names & identifiers

Preferred name
Sodium, 2,4-cyclopentadien-1-yl-
IUPAC
sodium cyclopenta-1,3-diene
English name
Sodium cyclopentadienide
Molecular formula
C5H5Na
Molecular weight
88.08

Names & synonyms

4984-82-1Sodium, 2,4-cyclopentadienideSodium, 2,4-cyclopentadien-1-yl-Cyclopenta-2,4-dien-1-ylsodiumEINECS 225-636-8DTXSID9063665RefChem:888000Cyclopenta2,4dien1ylsodiumSodium, 2,4cyclopentadien1ylDTXCID001322988UN3395225-636-8
Show more names
SNCASodium cycL20%inTHFSodiumcyclopentadiene2,4-Cyclopentadienylsodium
SODIUM CYCLOPENTADIENIDECYCLOPENTADIENYLSODIUMSodium cyclopentadienylidesodium;cyclopenta-1,3-dieneMFCD00012161NACPcyclopentadienyl sodiumSCHEMBL707334

Database identifiers

CAS
4984-82-1
PubChem CID
78681
DTXSID
DTXSID9063665
EC Number
225-636-8
Nikkaji
J52.072A

Properties

Computed structural properties

Topological polar surface area
0 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
1
Rotatable bonds
0
Heavy atoms
6

Experimental & physicochemical properties

Physical DescriptionSolid; [Sigma-Aldrich MSDS]

Physicochemical properties

Melting point
172 °C · 172 °C
Density
0.946 g/mL · 0.946 g/mL at 20 °C
Flash point
1 °F · 1 °F
storage temp.
2 · 2-8°C
form
Liquid
color
dark red

Safety & regulation

GHS classification

GHS Classification · 5 items

Danger

H260 (57.7%): In contact with water releases flammable gases which may ignite spontaneously [Danger Substances and mixtures which in contact with water, emit flammable gases]；H314 (98.6%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

P223, P231+P232, P260, P264, P280, P301+P330+P331, P302+P335+P334, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P370+P378, P402+P404, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 71 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.；Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Hazard information

Hazards SummaryReacts violently with water evolving hydrogen gas; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract; [Sigma-Aldrich MSDS]
Hazard Classes and CategoriesWater-react. 1 (57.7%)；Skin Corr. 1B (98.6%)

Safety & protection

Protective Action Criteria (PAC) · 3 items

1.2 [mg/m3]

13 [mg/m3]

79 [mg/m3]

Toxicology

Adverse EffectsDermatotoxin - Skin burns.

Safety data

F
1-10
PPE
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
wgk
3
tsca
TSCA listed
ridadr
UN 1993 3/PG 2
hs_code
29319090

Chemistry & industry

Uses & manufacturing

General Manufacturing InformationSodium, 2,4-cyclopentadien-1-yl-: ACTIVE
Applications · 1 item

UsesSodium 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.

Upstream & downstream products

Suppliers97 total

阿诺西（上海）生物技术有限公司400-1107768 15058188853 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
Hebei Chuanghai Biotechnology Co., Ltd+86-17732866630 · [email protected]
上海策嵘生物科技有限公司[email protected]
上海钰博生物科技有限公司021-60514606 18321282235 · [email protected]

Related reactions

26 records
New reaction record

Compound notes

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