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Product No: AA6179

Bis(cyclopentadienyl)cobalt(II), 98%

Name: Bis(cyclopentadienyl)cobalt(II)
Brand: Chempure

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CAS Number

1277-43-6

Molecular Weight

189.12

Formula

Co(C5H5)2

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About this item

IUPAC name	cobalt(2+);cyclopenta-1,3-diene
canonical smiles	[CH-]1C=CC=C1.[CH-]1C=CC=C1.[Co+2]
inchi	InChI=1S/2C5H5.Co/c21-2-4-5-3-1;/h21-5H;/q2*-1;+2
inchi key	ILZSSCVGGYJLOG-UHFFFAOYSA-N
molecular formula	C10H10Co
synonyms	Cobaltocene 1277-43-6 Dicyclopentadienylcobalt Kobaltocen 4W7LGU89CV
Compound Description	Cobaltocene appears as black-purple crystals or black solid. Sublimes at 104 °F and 0.1 mmHg. Cobaltocene is a chemical compound of cobalt. Cobalt is a metallic element with the atomic number 27. It is found naturally in rocks, soil, water, plants, and animals. In small amounts cobalt is an essential element for life, as it is part of vitamin B12. However, excess exposure is known to exhibit toxic effects.

Computed Properties

Molecular Weight:	189.12 g/mol
Hydrogen Bond Donor Count:	0
Hydrogen Bond Acceptor Count:	2
Rotatable Bond Count:	0
Exact Mass:	189.011444 g/mol
Monoisotopic Mass:	189.011444 g/mol
Topological Polar Surface Area:	0 Å²
Heavy Atom Count:	11
Formal Charge:	0
Complexity:	11.6
Isotope Atom Count:	0
Defined Atom Stereocenter Count:	0
Undefined Atom Stereocenter Count:	0
Defined Bond Stereocenter Count:	0
Undefined Bond Stereocenter Count:	0
Covalently-Bonded Unit Count:	3
Compound Is Canonicalized:	Yes

Related Compounds

Bis(cyclopentadienyl)chromium

Cobaltocene

Bis(eta5-2,4-cyclopentadien-1-yl)nickel

Bis(cyclopentadienyl)vanadium chloride

Bis(cyclopentadienyl)nickel(II)

Bis(cyclopentadienyl)titanium chloride

Dicyclopentadienyltitanium(IV) dichloride

CID 124040768

CID 24942211

CID 12491680

Cobalt(2+);cyclopenta-1,3-diene

Chromium(2+);cyclopenta-1,3-diene

Bis(cyclopentadienyl)hafnium(IV) dichloride

Bis-pi-cyclopentadienyldichlorozirconium

Rhenocene

hazard signal	Danger
hazard classes and categories	Flam. Sol. 2 (100%) Skin Sens. 1 (32.82%) Resp. Sens. 1 (29.77%) Muta. 2 (32.82%) Carc. 2 (29.77%)
precautionary statement codes	P203, P210, P233, P240, P241, P260, P261, P271, P272, P280, P284, P302+P352, P304+P340, P318, P321, P333+P317, P342+P316, P362+P364, P370+P378, P403, P405, and P501
hazard statements	H228 (100%): Flammable solid [Danger Flammable solids] H317 (32.82%): May cause an allergic skin reaction [Warning Sensitization, Skin] H334 (29.77%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory] H341 (32.82%): Suspected of causing genetic defects [Warning Germ cell mutagenicity] H351 (29.77%): Suspected of causing cancer [Warning Carcinogenicity]
hazards summary	Intraperitoneal LD50 (mouse) = 80 mg/kg. A strong reducing agent. Readily oxidized by air and water. Sensitive to air and light exposure. Highly reactive. Toxic by ingestion. An irritant. Ingestion may cause CNS depression. See Cobalt.

toxicity summary	Cobalt is believed to exhibit its toxicity through a oxidant-based and free radical-based processes. It produces oxygen radicals and may be oxidized to ionic cobalt, causing increased lipid peroxidation, DNA damage, and inducing certain enzymes that lead to cell apoptosis. Cobalt has also been shown to block inorganic calcium channels, possibly impairing neurotransmission. Cobalt can also chelate lipoic acids, impairing oxidation of pyruvate or fatty acids. In addition, cobalt may inhibit DNA repair by interacting with zinc finger DNA repair proteins, and has also been shown to inhibit heme synthesis and glucose metabolism. Cobalt may activate specific helper T-lymphocyte cells and interact directly with immunologic proteins, such as antibodies or Fc receptors, resulting in immunosensitization.
symptoms	Cobalt inhalation can cause asthma-like breathing problems. Skin contact is known to result in contact dermatitis, which is characterized by irritation and rashes. Ingesting large amounts of cobalt may cause nausea and vomiting.
health effects	Exposure to high amount of cobalt can cause heart, lung, kidney, and liver damage. Skin contact is known to result in contact dermatitis. Cobalt may also have mutagenic and carcinogenic effects.
carcinogen classification	default_key: 2B, possibly carcinogenic to humans.

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Documentation

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CAS #

*This document is like a lab demo—an example Certificate of Analysis (COA) that showcases what a COA looks like but may not match the latest batch in all its glory. Think of it as a chemistry experiment: close, but not quite the final reaction!

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About this item

IUPAC name	cobalt(2+);cyclopenta-1,3-diene
canonical smiles	[CH-]1C=CC=C1.[CH-]1C=CC=C1.[Co+2]
inchi	InChI=1S/2C5H5.Co/c21-2-4-5-3-1;/h21-5H;/q2*-1;+2
inchi key	ILZSSCVGGYJLOG-UHFFFAOYSA-N
molecular formula	C10H10Co
synonyms	Cobaltocene 1277-43-6 Dicyclopentadienylcobalt Kobaltocen 4W7LGU89CV
Compound Description	Cobaltocene appears as black-purple crystals or black solid. Sublimes at 104 °F and 0.1 mmHg. Cobaltocene is a chemical compound of cobalt. Cobalt is a metallic element with the atomic number 27. It is found naturally in rocks, soil, water, plants, and animals. In small amounts cobalt is an essential element for life, as it is part of vitamin B12. However, excess exposure is known to exhibit toxic effects.

Computed Properties

Molecular Weight:	189.12 g/mol
Hydrogen Bond Donor Count:	0
Hydrogen Bond Acceptor Count:	2
Rotatable Bond Count:	0
Exact Mass:	189.011444 g/mol
Monoisotopic Mass:	189.011444 g/mol
Topological Polar Surface Area:	0 Å²
Heavy Atom Count:	11
Formal Charge:	0
Complexity:	11.6
Isotope Atom Count:	0
Defined Atom Stereocenter Count:	0
Undefined Atom Stereocenter Count:	0
Defined Bond Stereocenter Count:	0
Undefined Bond Stereocenter Count:	0
Covalently-Bonded Unit Count:	3
Compound Is Canonicalized:	Yes

Related Compounds

Bis(cyclopentadienyl)chromium

Cobaltocene

Bis(eta5-2,4-cyclopentadien-1-yl)nickel

Bis(cyclopentadienyl)vanadium chloride

Bis(cyclopentadienyl)nickel(II)

Bis(cyclopentadienyl)titanium chloride

Dicyclopentadienyltitanium(IV) dichloride

CID 124040768

CID 24942211

CID 12491680

Cobalt(2+);cyclopenta-1,3-diene

Chromium(2+);cyclopenta-1,3-diene

Bis(cyclopentadienyl)hafnium(IV) dichloride

Bis-pi-cyclopentadienyldichlorozirconium

Rhenocene

hazard signal	Danger
hazard classes and categories	Flam. Sol. 2 (100%) Skin Sens. 1 (32.82%) Resp. Sens. 1 (29.77%) Muta. 2 (32.82%) Carc. 2 (29.77%)
precautionary statement codes	P203, P210, P233, P240, P241, P260, P261, P271, P272, P280, P284, P302+P352, P304+P340, P318, P321, P333+P317, P342+P316, P362+P364, P370+P378, P403, P405, and P501
hazard statements	H228 (100%): Flammable solid [Danger Flammable solids] H317 (32.82%): May cause an allergic skin reaction [Warning Sensitization, Skin] H334 (29.77%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory] H341 (32.82%): Suspected of causing genetic defects [Warning Germ cell mutagenicity] H351 (29.77%): Suspected of causing cancer [Warning Carcinogenicity]
hazards summary	Intraperitoneal LD50 (mouse) = 80 mg/kg. A strong reducing agent. Readily oxidized by air and water. Sensitive to air and light exposure. Highly reactive. Toxic by ingestion. An irritant. Ingestion may cause CNS depression. See Cobalt.

toxicity summary	Cobalt is believed to exhibit its toxicity through a oxidant-based and free radical-based processes. It produces oxygen radicals and may be oxidized to ionic cobalt, causing increased lipid peroxidation, DNA damage, and inducing certain enzymes that lead to cell apoptosis. Cobalt has also been shown to block inorganic calcium channels, possibly impairing neurotransmission. Cobalt can also chelate lipoic acids, impairing oxidation of pyruvate or fatty acids. In addition, cobalt may inhibit DNA repair by interacting with zinc finger DNA repair proteins, and has also been shown to inhibit heme synthesis and glucose metabolism. Cobalt may activate specific helper T-lymphocyte cells and interact directly with immunologic proteins, such as antibodies or Fc receptors, resulting in immunosensitization.
symptoms	Cobalt inhalation can cause asthma-like breathing problems. Skin contact is known to result in contact dermatitis, which is characterized by irritation and rashes. Ingesting large amounts of cobalt may cause nausea and vomiting.
health effects	Exposure to high amount of cobalt can cause heart, lung, kidney, and liver damage. Skin contact is known to result in contact dermatitis. Cobalt may also have mutagenic and carcinogenic effects.
carcinogen classification	default_key: 2B, possibly carcinogenic to humans.

Product No: AA6179

Bis(cyclopentadienyl)cobalt(II), 98%

Product No: AA6179

About this item

NAME AND IDENTIFIERS

CHEMICAL AND PHYSICAL PROPERTIES

Related Compounds

SAFETY AND HAZARDS

TOXICITY

About this item

Documentation

Certificate of Analysis

Require a Sample Certificate of Analysis (COA) ?

Reviews

Product No: AA6179

About this item

NAME AND IDENTIFIERS

CHEMICAL AND PHYSICAL PROPERTIES

Related Compounds

SAFETY AND HAZARDS

TOXICITY

Require a Sample Certificate of Analysis (COA) ?