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magnesium,cyclopenta-1,3-diene,cyclopentane

Bis(cyclopentadienyl)magnesium

CAS: 1284-72-6

Molecular Formula: C10H10Mg10*

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magnesium,cyclopenta-1,3-diene,cyclopentane - Names and Identifiers

Name Bis(cyclopentadienyl)magnesium
Synonyms Magnesocene
DICYCLOPENTADIENYL MAGNESIUM
Di(cyclopentadienyl)magnesium
BIS(CYCLOPENTADIENYL)MAGNESIUM
Bis(cyclopentadienyl)magnesium
BIS(CYCLOPENTADIENYL)MAGNESIUM(II)
dicyclopenta-1,3-dien-1-ylmagnesium
magnesium,cyclopenta-1,3-diene,cyclopentane
CAS 1284-72-6
InChI InChI=1/2C5H5.Mg/c2*1-2-4-5-3-1;/h2*1-3H,4H2;/rC10H10Mg/c1-2-6-9(5-1)11-10-7-3-4-8-10/h1-5,7H,6,8H2

magnesium,cyclopenta-1,3-diene,cyclopentane - Physico-chemical Properties

Molecular FormulaC10H10Mg10*
Molar Mass154.49
Melting Point180°C (dec.)(lit.)
Boling Point290°C
Flash Point290°C
Water SolubilityReacts with water.
Appearancesolid
Storage ConditionRoom Temprature
SensitiveAir & Moisture Sensitive
MDLMFCD00134487
Physical and Chemical PropertiesThe reaction of magnesium metallocene with the chloride of a metal can remove the magnesium chloride and obtain the metallocene.

magnesium,cyclopenta-1,3-diene,cyclopentane - Risk and Safety

Risk CodesR17 - Spontaneously flammable in air
R34 - Causes burns
R14 - Reacts violently with water
R11 - Highly Flammable
Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.)
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S8 - Keep container dry.
UN IDsUN 3393 4.2/PG 1
WGK Germany3
Hazard Class4.2
Packing GroupI

magnesium,cyclopenta-1,3-diene,cyclopentane - Reference Information

EPA chemical information Information provided by: ofmpub.epa.gov (external link)
physical properties magnesium dimetallocene is a white crystal with a melting point of 176 ℃. Sublimation at 100 ℃. Sensitive to air, humidity, carbon dioxide and carbon disulfide, solid crystals are exposed to fire in the air. Soluble in ether, tetrahydrofuran, benzene, xylene. A tan. Intense hydrolysis.
Use Magnesium diocene is a very useful reagent for introducing cyclopentadienyl groups into transition metals.
Preparation Ethyl magnesium bromide reacts with benzene and ether to remove ethane to obtain magnesium bromide (C5H5MgBr), two molecules The latter can shrink one molecule of magnesium bromide at 220°C and 10-2Pa to obtain magnesium dimetallocene. The reaction of metallic magnesium and isoprene at 500 ℃ can also remove H2 to obtain dimetallocene.
store magnesium dimetallocene can be sealed and stored dry.
Last Update：2024-04-10 22:29:15
magnesium,cyclopenta-1,3-diene,cyclopentane
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magnesium,cyclopenta-1,3-diene,cyclopentane
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