ChemicalBook > CAS DataBase List > 1,2,3,4,5-Pentamethylcyclopentadiene

1,2,3,4,5-Pentamethylcyclopentadiene

Product Name
1,2,3,4,5-Pentamethylcyclopentadiene
CAS No.
4045-44-7
Chemical Name
1,2,3,4,5-Pentamethylcyclopentadiene
Synonyms
PENTAMETHYLCYCLOPENTADIENE;1,3-Cyclopentadiene, 1,2,3,4,5-pentamethyl-;MCPT;1,2,3,4,5-Pentamethylcyclopenta-1,3-diene;PMCP;opentadiene;1,2,3,4,5-PentamethyL;Pentamethycyclopentadiene;PENTAMETHYLCYCLOPENTADIENE 98+%;Pentamethylcyclopentadiene,min.98%
CBNumber
CB8234692
Molecular Formula
C10H16
Formula Weight
136.23
MOL File
4045-44-7.mol
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1,2,3,4,5-Pentamethylcyclopentadiene Property

Boiling point:
58 °C13 mm Hg(lit.)
Density 
0.87 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.474(lit.)
Flash point:
112 °F
storage temp. 
Store below +30°C.
form 
Liquid
color 
Clear colorless to yellow-orange, may darken on storage
Specific Gravity
0.87
Water Solubility 
Miscible with methanol. dichloromethane and ethyl acetate. Slightly miscible with water.
Sensitive 
Light Sensitive
BRN 
1849832
Stability:
store cold
CAS DataBase Reference
4045-44-7(CAS DataBase Reference)
NIST Chemistry Reference
1,3-Cyclopentadiene, 1,2,3,4,5-pentamethyl-(4045-44-7)
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Safety

Risk Statements 
10
Safety Statements 
16
RIDADR 
UN 3295 3/PG 3
WGK Germany 
3
F 
9-23
HazardClass 
3
PackingGroup 
III
HS Code 
29021990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H226Flammable liquid and vapour

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P243Take precautionary measures against static discharge.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.18534
Product name
1,2,3,4,5-Pentamethylcyclopentadiene
Purity
for synthesis
Packaging
1mL
Price
$58
Updated
2024/03/01
Sigma-Aldrich
Product number
8.18534
Product name
1,2,3,4,5-Pentamethylcyclopentadiene
Purity
for synthesis
Packaging
5ml
Price
$204
Updated
2024/03/01
Sigma-Aldrich
Product number
214027
Product name
1,2,3,4,5-Pentamethylcyclopentadiene
Purity
95%
Packaging
5g
Price
$162
Updated
2024/03/01
Sigma-Aldrich
Product number
214027
Product name
1,2,3,4,5-Pentamethylcyclopentadiene
Purity
95%
Packaging
25g
Price
$463
Updated
2024/03/01
TCI Chemical
Product number
P1292
Product name
1,2,3,4,5-Pentamethylcyclopentadiene
Purity
>93.0%(GC)
Packaging
5mL
Price
$114
Updated
2024/03/01
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1,2,3,4,5-Pentamethylcyclopentadiene Chemical Properties,Usage,Production

Chemical Properties

clear colorless to yellowish liquid

Uses

1,2,3,4,5-Pentamethylcyclopentadiene serves as a precursor to the ligand 1,2,3,4,5-pentamethylcyclopentadienyl. It is used as a growth modifier chemical, during metal organic chemical vapor deposition of iron from iron pentacarbonyl. It is used as a ligand in "one-pot" iridium-catalyzed transformation of alcohols to amides. Further, it acts as an electron mediator in the regeneration process of nicotinamide adenine dinucleotide. In addition to this, it undergoes radical cation catalyzed cycloaddition reaction with allenes to get Diels-Alder product.

General Description

Mechanism of the Diels-Alder reaction of paramagneticendohedral metallofullerene and 1,2,3,4,5-pentamethylcyclopentadiene has been studied. Three-step large-scale preparation of 1,2,3,4,5-pentamethylcyclopentadiene has been reported. Reaction of 1,2,3,4,5-pentamethylcyclopentadiene (HCp*) with actinide ions in gas phase has been investigated by laser ablation mass spectrometry. It undergoes radical cation catalyzed cycloaddition with electron rich allenes to form Diels-Alder product.

1,2,3,4,5-Pentamethylcyclopentadiene Preparation Products And Raw materials

Raw materials

Preparation Products

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1,2,3,4,5-Pentamethylcyclopentadiene Suppliers

Americas 1 Belgium 2 China 181 Europe 1 France 1 Germany 9 India 7 Japan 3 Poland 1 Russia 1 South Korea 1 Switzerland 2 The Netherlands 1 Ukraine 1 United Kingdom 9 United States 29 Global 250
Fisher Scientific Uk Ltd.
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United Kingdom
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Apollo Scientific Ltd
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United Kingdom
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Apollo Scientific Ltd.
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MOLEKULA Ltd.
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kevinbanks@molekula.com
Country
United Kingdom
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Eurolabs Limited
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Fluorochem Ltd
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Fluorochem Ltd.
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VWR International
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Peakdale Molecular
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View Lastest Price from 1,2,3,4,5-Pentamethylcyclopentadiene manufacturers

Hebei Mojin Biotechnology Co.,Ltd
Product
1,2,3,4,5-Pentamethylcyclopentadiene 4045-44-7
Price
US $0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
50000KG/month
Release date
2024-05-09
Hebei Mojin Biotechnology Co., Ltd
Product
1,2,3,4,5-Pentamethylcyclopentadiene 4045-44-7
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2024-05-14
Henan Fengda Chemical Co., Ltd
Product
1,2,3,4,5-Pentamethylcyclopentadiene 4045-44-7
Price
US $100.00-1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2023-12-25

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