Name: CYCLOPENTADIENYLMANGANESE TRICARBONYL
SKU: 12079-65-1

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Basic Information

Molecular Structure:
CAS No.:	12079-65-1
Name:	CYCLOPENTADIENYLMANGANESE TRICARBONYL
Article Data:	64

Formula:	C₈H₅MnO₃
Molecular Weight:	204.064
Synonyms:	Cyclopentadienylmanganesetricarbonyl (6CI);Manganese, tricarbonyl-p-cyclopentadienyl- (8CI);Cyclopentadienyl-p-tricarbonylmanganese;Cyclopentadienyltricarbonylmanganese;Cymantrene;Manganesecyclopentadienyltricarbonyl;Tricarbonyl(h5-cyclopentadienyl)manganese;Tricarbonyl-p-cyclopentadienylmanganese;Tricarbonylcyclopentadienylmanganese;h5-Cyclopentadienylmanganese tricarbonyl;p-Cyclopentadienylmanganesetricarbonyl;
EINECS:	235-142-4
Melting Point:	72-76 °C(lit.)
Boiling Point:	41.5oCat 760 mmHg
Solubility:	Soluble in water (70 ppm (25C)
Appearance:	yellow crystals or crystalline chunks
Hazard Symbols:	T+
Risk Codes:	28
Safety:	28-36/37-45
Transport Information:	UN 2811 6.1/PG 2
PSA:	0.00000
LogP:	0.39750

Synthetic route

: (C5H5)Mn(CO)2(CCSi2(CH3)6)

A: 12079-65-1
cymantrene

B: 14630-40-1
Bis(trimethylsilyl)ethyne

Conditions

Conditions	Yield
in sealed tube at 200°C;	A 96% B 96%

: η(5)-cyclopentadienyl(phenylvinylidene)(dicarbonyl)manganese

: 122-52-1
triethyl phosphite

A: 12079-65-1
cymantrene

: Cp(CO)2Mn{η2-PhCH=CHP(O)(OEt)2}

C: C5H5Mn(CO)(P(OC2H5)3)2

D: 12276-93-6
[Mn(C5H5)(CO)2(P(OC2H5)3)]

E: 64522-65-2
(C5H5)(CO)[P(OCH2CH3)3]MnCCHC6H5

Conditions

Conditions	Yield
In hexane at 20°C under Ar, 1 h; evapn., chromy. (Al2O3, hexane/ether, then ether), recrystn. (hexane/ether)., elem. anal.;	A n/a B 96% C n/a D n/a E <1

...Expand

: dicarbonyl(η(5)-cyclopentadienyl)manganese(THF)

: 13292-87-0
dimethylsulfide borane complex

A: 12079-65-1
cymantrene

B: 40674-63-3
[(η5-cyclopentadienyl)Mn(CO)2SMe2]

C: 2049-55-0
triphenylphosphine borane

Conditions

Conditions	Yield
In toluene Inert atmosphere; Schlenk technique;	A n/a B n/a C 95%

...Expand

: η(5)-cyclopentadienyl(phenylvinylidene)(dicarbonyl)manganese

: 116-17-6
triisopropyl phosphite

A: 12079-65-1
cymantrene

: η5-cyclopentadienyl(dicarbonyl){η2-trans-1-(O,O-diisopropylphosphonato)-2-phenylethylene}manganese

Conditions

Conditions	Yield
In hexane under Ar; addn. of P(O-i-Pr)3 hexane soln. to hexane soln. of complex, mixed 3h at 20°C; evapn., residue is dissolved in 1:1 hexane-diethyl ether mixt., chromd. (Al2O3), mixt. of CpMn(CO)3 and Cp(CO)2MnCCPhH, yellow band eluted with 1:1 hexane-methyl acetate, evapn. of solvent, oily residue treated with hexane/benzene, elem. anal.;	A n/a B 92%

...Expand

: 59699-77-3
cyclopentadienyl manganese tricarbonyl(1+)

: 12079-65-1
cymantrene

Conditions

Conditions	Yield
In dichloromethane Electrolysis; controlled potential electrolysis at 0.5 V, CH2Cl2/0.05 M N(C4H9)4B(C6F5)4; electrochemical IR-spectra;	90%

: 17685-52-8
triiron dodecarbonyl

: [dicarbonyl(π-cyclopentadienyl)(phenylcarbene)manganese]tetrabromoborate

: 109-79-5
1-butanethiol

: 121-44-8
triethylamine

A: 12079-65-1
cymantrene

B: (C5H5)Mn(CO)2(C(C6H5)S(C4H9))Fe(CO)3

C: FeMn(4+)*C5H5(1-)*C6H5CSC4H9(3-)*5CO=(C5H5)Mn(CO)2(C(C6H5)S(C4H9))Fe(CO)3

D: (C4H9S)2Fe2(CO)6

Conditions

Conditions	Yield
In tetrahydrofuran N2-atmosphere; stirring (room temp., 40 min), Mn-compd. addn., stirring (-90 to -70°C, 3 h); evapn. (vac., -50 to -40°C), chromy. (alumina, -25°C, petroleum ether, petroleum ether / CH2Cl2 = 20 : 1, petroleum ether / CH2Cl2/ Et2O = 10 : 1 : 1), evapn. (vac.), recrystn. (petroleum ether / CH2Cl 2, -80°C); elem. anal.;	A 3% B 85% C 6% D 4%

...Expand

: (1-η(5)-cyclopentadienyl)(1,1-dicarbonyl)-μ-[(phenyl)ethenylidene][2-η(2)-bis(diphenylphosphino)ethane-PP']manganesepalladium

: diiron nonacarbonyl

A: 12079-65-1
cymantrene

B: (1,1,2,2,2,3,3,3-octacarbonyl)(1-η(5)-cyclopentadienyl)-μ(3)-[1,2-η(1),3-η(2)-(phenyl)ethenylidene]-triangulo-manganesediiron

C: (1,1,1,1,2,2,2,2-octacarbonyl)[3-η(2)-bis(diphenylphosphino)ethane-PP']-triangulo-diironpalladium

D: (1,1,1,2,2,2,3,3,3-nonacarbonyl)-μ(4)-[1,η(2),2,3,4-η(1)-(phenyl)ethylidene][4-η(2)-bis(diphenylphosphino)ethane-PP']bis(triangulo)triironpalladium

Conditions

Conditions	Yield
In benzene Ar-atmosphere, dry solvent; Fe-compd. addn. to soln. of Mn,Pd-complex, stirring (3 h, 20°C), soln. filtration through Al2O3, vacuum evapn.; oily residue dissoln. in hexane-benzene, chromy. (Al2O3/hexane-benzene),eluate fractions evapn.; elem. anal.;	A n/a B 71% C 5% D 9%

...Expand

: 17685-52-8
triiron dodecarbonyl

: [dicarbonyl(π-cyclopentadienyl)(phenylcarbene)manganese]tetrabromoborate

: 645-96-5
Benzeneselenol

A: 12079-65-1
cymantrene

B: 349606-50-4
C5H5Mn(CO)2Fe(CO)3CC6H5SeC6H5

C: 25987-99-9
(μ-PhSe)2Fe2(CO)6

Conditions

Yield

With N(CH2CH3)3 In tetrahydrofuran (N2); addn. of selenium compd. and amine to a soln. of iron carbonyl in THF, stirring at room temp. for 10 min, cooling to -100°C, pouring to manganese complex, warming to -80°C, stirring for 7 h at -80to -50°C; evapn. at -50 to -40°C, column chromy (Al2O3, petroleum ether, petroleum ether/CH2Cl2 20:1, petroleum ether/CH2Cl2/Et2O 10:1:1), evapn., recrystn. (petroleum ether/CH2Cl2, -80°C); elem. anal.;

A 5%
B 66%
C 24%

...Expand

: η(5)-cyclopentadienyl(phenylvinylidene)(dicarbonyl)manganese

A: 12079-65-1
cymantrene

B: 2C5H5(1-)*4CO*2Mn(2+)*C6H5CHC(2-)=(C5H5)2(CO)4Mn2(CCHC6H5)

Conditions

Conditions	Yield
With Pt(P(C6H5)3)4 In benzene a soln. of Mn-compd. (0.22 mmol) and Pt-compd. (0.20 mmol) in benzene was stirred under Ar at 20°C for 4 h;; evapn.; the residue was dissolved in hexane-benzene mixt. (2:1) and chromd. (alumina, hexane-benzene); removal of the solvent; residue was dissolved in ether; crystn. after cooling at -20°C;;	A n/a B 65%

: dicarbonyl(η(5)-cyclopentadienyl)manganese(THF)

: 75-09-2
dichloromethane

: [(η5-cyclopentadienyl)2Mo2(μ-carbonyl)(μ-methoxycarbyne)(μ-dicyclohexylphosphide)]

A: 12079-65-1
cymantrene

B: [MnMo2(η5-cyclopentadienyl)3(μ3-methoxycarbyne)(μ-dicyclohexylphosphide)(μ-carbonyl)2(carbonyl)2]*1.5dichloromethane

Conditions

Conditions	Yield
In toluene (N2, Schlenk technique); addn. of molybdenum compd. to THF soln. of manganese compd., dissolving in toluene, stirring at room temp. for 15 min; evapn., extn. (CH2Cl2/petroleum ether (1:7)), chromy. (alumina, CH2Cl2/petroleum ether 1:7, then 1:1) at 253 K, evapn., elem. anal.;	A n/a B 65%

...Expand

Raw Materials

941-55-9

77-73-6

542-92-7

Downstream Products

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Chemistry

Product Name: Cyclopentadienylmanganese tricarbonyl (CAS NO.12079-65-1)

Molecular Formula: C₈H₅MnO₃
Molecular Weight: 204.06g/mol
Mol File: 12079-65-1.mol
Einecs: 235-142-4
Appearance: Yellow crystals or crystalline chunks
Melting Point: 72-76 °C(lit.)
Boiling point: 41.5 °C at 760 mmHg
Sensitive: Air Sensitive
Enthalpy of Vaporization: 27.4 kJ/mol
Vapour Pressure: 418 mmHg at 25°C
H-Bond Donor: 0
H-Bond Acceptor: 4
Product Categories: ManganeseVapor Deposition Precursors; Catalysis and Inorganic Chemistry; Chemical Synthesis; Manganese; Precursors by Metal

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intravenous	710ug/kg (0.71mg/kg)		U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#11285,
mouse	LD50	oral	150mg/kg (150mg/kg)	BRAIN AND COVERINGS: "CHANGES IN CIRCULATION (HEMORRHAGE, THROMBOSIS, ETC.)" AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD	Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 28(4), Pg. 29, 1963.
rat	LCLo	inhalation	120mg/m3/2H (120mg/m3)	VASCULAR: BP LOWERING NOT CHARACTERIZED IN AUTONOMIC SECTION BLOOD: HEMORRHAGE LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES	Hygiene and Sanitation Vol. 30(4-6), Pg. 40, 1965.
rat	LD50	intraperitoneal	14mg/kg (14mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA LUNGS, THORAX, OR RESPIRATION: CHRONIC PULMONARY EDEMA	Toxicology. Vol. 34, Pg. 341, 1985.
rat	LD50	oral	22mg/kg (22mg/kg)		Toxicology. Vol. 34, Pg. 341, 1985.

Consensus Reports

Reported in EPA TSCA Inventory. Manganese and its compounds are on the Community Right-To-Know List.

Safety Profile

A poison by ingestion, inhalation, intraperitoneal, and intravenous routes. A mild narcotic which can damage kidneys. When heated to decomposition it emits acrid smoke and irritating fumes. See also MANGANESE COMPOUNDS and CARBON MONOXIDE.
Safety Information of Cyclopentadienylmanganese tricarbonyl (CAS NO.12079-65-1):
Hazard Codes: T+
Risk Statements: 28
28: Very Toxic if swallowed
Safety Statements: 28-36/37-45
28: After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
36: Wear suitable protective clothing
37: Wear suitable gloves
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)

Standards and Recommendations

OSHA PEL: TWA 0.1 mg(Mn)/m³ (skin)
ACGIH TLV: TWA 0.1 mg(Mn)/m³

Specification

Cyclopentadienylmanganese tricarbonyl ,its CAS NO. is 12079-65-1,the synonyms is (Eta⁵-Cyclopentadienyl) manganese tricarbonyl ; Cyclopentadienyl-p-tricarbonylmanganese ; Cyklopentadientrikarbonylmanganium ; Cymantrene ; Manganese, cyclopentadienyltricarbonyl- ; Manganese, tricarbonyl-pi-cyclopentadienyl- ; manganese,cyclopentadienyltricarbonyl ; Manganese,tricarbonyl(η5-2,4-cyclopentadien-1-yl)- .

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Chemistry

Toxicity Data With Reference

Consensus Reports

Safety Profile

Standards and Recommendations

Specification