Zirconocene dichloride

Description

Zirconocene dichloride · CAS 1291-32-3 · C10H10Cl2Zr. UNII SQE0U3LG60. Melting Point: 468 to 473 °F (NTP, 1992).

Identification

CAS Registry Number	1291-32-3
PubChem CID	102092
Molecular formula	C10H10Cl2Zr
IUPAC name	bis(cyclopenta-1,3-diene);dichlorozirconium(2+)
UNII (FDA)	SQE0U3LG60

Computed Descriptors

Molecular Weight	292.31
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	289.920654
Monoisotopic Mass	289.920654
Topological Polar Surface Area	0
Heavy Atom Count	13
Formal Charge	0
Complexity	71

Physical & Chemical Properties

Melting Point	468 to 473 °F (NTP, 1992)

Physical description & handling notes

• Zirconocene dichloride appears as white crystals or off-white crystalline solid. (NTP, 1992)
• White to off-white solid; [CAMEO] Beige crystalline solid; [Aldrich MSDS]
• Decomposes (NTP, 1992)

GHS Hazard Classification

Reported hazard statements	H315 (80%), H318 (15.8%), H319 (80%), H335 (80.8%), H411 (13.3%)

Documented Uses

• Used as a rubber accelerator, in catalyst systems for vinyl monomer polymerization, a curing agent for water-repellent silicone materials, and in zirconium plating; [NTP] Soluble in polar organic solvents; [Hawley]
• Electroplating [Category: Plate]
• Plastic Composites Manufacturing [Category: Industry]
• Zirconium, dichlorobis(.eta.5-2,4-cyclopentadien-1-yl)-: ACTIVE

Synonyms

Bis-pi-cyclopentadienyldichlorozirconium; Dichlorodi-pi-dicyclopentadienylzirconium; SQE0U3LG60; Dichlorobis(eta(5)-2,4-cyclopentadien-1-yl)zirconium; Zirconium, dichlorobis(eta5-2,4-cyclopentadien-1-yl)-; Cp2ZrCl2 cpd; RefChem:133098; DTXCID401783330; Dichlorodi-pi-cyclopentadienylzirconium; Zirconium, dichlorodi-pi-cyclopentadienyl-; DICHLOROBIS(PI-CYCLOPENTADIENYL)ZIRCONIUM; DICHLOROBIS(ETA5-CYCLOPENTADIENYL)ZIRCONIUM; BIS(ETA5-CYCLOPENTADIENYL)ZIRCONIUM DICHLORIDE; 215-066-8; 1291-32-3; BIS(CYCLOPENTADIENYL)DICHLOROZIRCONIUM

Frequently Asked Questions

What are the CAS number and molecular formula of Zirconocene dichloride?

CAS 1291-32-3; molecular formula C10H10Cl2Zr; molecular weight — g/mol.

What other names is Zirconocene dichloride known by?

Bis-pi-cyclopentadienyldichlorozirconium, Dichlorodi-pi-dicyclopentadienylzirconium, SQE0U3LG60, Dichlorobis(eta(5)-2,4-cyclopentadien-1-yl)zirconium, Zirconium, dichlorobis(eta5-2,4-cyclopentadien-1-yl)-, Cp2ZrCl2 cpd.

Is Zirconocene dichloride classified as hazardous?

Hazard statements reported: H315, H318, H319, H335, H411.

What are the key physical properties of Zirconocene dichloride?

Melting Point: 468 to 473 °F (NTP, 1992).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.