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

1,2,3,4,5-Pentamethylcyclopentadiene

1,2,3,4,5-Pentamethylcyclopentadiene price.
  • $6 - $5810
  • Product name: 1,2,3,4,5-Pentamethylcyclopentadiene
  • CAS: 4045-44-7
  • MF: C10H16
  • MW: 136.23
  • EINECS:223-743-4
  • MDL Number:MFCD00001354
  • Synonyms:Cyclopentadiene, 1,2,3,4,5-pentamethyl-;1,2,3,4,5-PENTAMETHYLCYCLOPENTADIENE;1,2,3,4,5-pentamethyl-1,3-cyclopentadiene;1,2,3,4,5-PENTAMETHYLCYCLOPENTADIENE, 95 %;PENTAMETHYLCYCLOPENTADIENE 98+%;Pentamethylcyclopentadiene,min.98%;Pentamethylcyclopentadiene, min. 98%;1,2,3,4,5-Pentamethyl-2,4-cyclopentadiene
48 prices
Selected condition：
Brand
  • aablocks
  • AccelPharmtech
  • Ambeed
  • American Custom Chemicals Corporation
  • Arctom
  • Matrix Scientific
  • Sigma-Aldrich
  • Strem Chemicals
  • SynQuest Laboratories
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
  • Usbiological
Package
  • 250mg
  • 1mL
  • 1.00g
  • 1g
  • 2g
  • 5.00g
  • 5ml
  • 5g
  • 10g
  • 25mL
  • 25g
  • 25.00g
  • 50g
  • 100g
  • 250G
  • 500g
  • 2KG
  • 5 mL
  • Manufactureraablocks
  • Product numberAA0032H7
  • Product description1,2,3,4,5-Pentamethylcyclopentadiene 95%
  • Packaging1g
  • Price$6
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0032H7
  • Product description1,2,3,4,5-Pentamethylcyclopentadiene 95%
  • Packaging5g
  • Price$17
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0032H7
  • Product description1,2,3,4,5-Pentamethylcyclopentadiene 95%
  • Packaging10g
  • Price$32
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0032H7
  • Product description1,2,3,4,5-Pentamethylcyclopentadiene 95%
  • Packaging25g
  • Price$74
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0032H7
  • Product description1,2,3,4,5-Pentamethylcyclopentadiene 95%GC
  • Packaging100g
  • Price$285
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0032H7
  • Product description1,2,3,4,5-Pentamethylcyclopentadiene 95%GC
  • Packaging500g
  • Price$1197
  • Updated2026-05-28
  • Buy
  • ManufacturerAccelPharmtech
  • Product numberFB3760
  • Product description1,2,3,4,5-Pentamethylcyclopentadiene 95%
  • Packaging250G
  • Price$1520
  • Updated2026-05-21
  • Buy
  • ManufacturerAccelPharmtech
  • Product numberFB3760
  • Product description1,2,3,4,5-Pentamethylcyclopentadiene 95%
  • Packaging2KG
  • Price$5810
  • Updated2026-05-21
  • Buy
  • ManufacturerAmbeed
  • Product numberA608995
  • Product description1,2,3,4,5-Pentamethylcyclopenta-1,3-diene 96%GC
  • Packaging25g
  • Price$130
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA608995
  • Product description1,2,3,4,5-Pentamethylcyclopenta-1,3-diene 96%GC
  • Packaging10g
  • Price$60
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA608995
  • Product description1,2,3,4,5-Pentamethylcyclopenta-1,3-diene 96%GC
  • Packaging1g
  • Price$11
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA608995
  • Product description1,2,3,4,5-Pentamethylcyclopenta-1,3-diene 96%GC
  • Packaging5g
  • Price$32
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0031723
  • Product description1,2,3,4,5-PENTAMETHYLCYCLOPENTADIENE 95.00%
  • Packaging1G
  • Price$616.77
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS611811
  • Product description1,2,3,4,5-Pentamethylcyclopenta-1,3-diene 96%
  • Packaging5g
  • Price$32
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS611811
  • Product description1,2,3,4,5-Pentamethylcyclopenta-1,3-diene 96%
  • Packaging1g
  • Price$11
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberAS611811
  • Product description1,2,3,4,5-Pentamethylcyclopenta-1,3-diene 96%
  • Packaging10g
  • Price$59
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0032H7 1,2,3,4,5-Pentamethylcyclopentadiene 95% 1g $6 2026-05-28 Buy
aablocks AA0032H7 1,2,3,4,5-Pentamethylcyclopentadiene 95% 5g $17 2026-05-28 Buy
aablocks AA0032H7 1,2,3,4,5-Pentamethylcyclopentadiene 95% 10g $32 2026-05-28 Buy
aablocks AA0032H7 1,2,3,4,5-Pentamethylcyclopentadiene 95% 25g $74 2026-05-28 Buy
aablocks AA0032H7 1,2,3,4,5-Pentamethylcyclopentadiene 95%GC 100g $285 2026-05-28 Buy
aablocks AA0032H7 1,2,3,4,5-Pentamethylcyclopentadiene 95%GC 500g $1197 2026-05-28 Buy
AccelPharmtech FB3760 1,2,3,4,5-Pentamethylcyclopentadiene 95% 250G $1520 2026-05-21 Buy
AccelPharmtech FB3760 1,2,3,4,5-Pentamethylcyclopentadiene 95% 2KG $5810 2026-05-21 Buy
Ambeed A608995 1,2,3,4,5-Pentamethylcyclopenta-1,3-diene 96%GC 25g $130 2021-12-16 Buy
Ambeed A608995 1,2,3,4,5-Pentamethylcyclopenta-1,3-diene 96%GC 10g $60 2021-12-16 Buy
Ambeed A608995 1,2,3,4,5-Pentamethylcyclopenta-1,3-diene 96%GC 1g $11 2021-12-16 Buy
Ambeed A608995 1,2,3,4,5-Pentamethylcyclopenta-1,3-diene 96%GC 5g $32 2021-12-16 Buy
American Custom Chemicals Corporation CHM0031723 1,2,3,4,5-PENTAMETHYLCYCLOPENTADIENE 95.00% 1G $616.77 2021-12-16 Buy
Arctom AS611811 1,2,3,4,5-Pentamethylcyclopenta-1,3-diene 96% 5g $32 2021-12-16 Buy
Arctom AS611811 1,2,3,4,5-Pentamethylcyclopenta-1,3-diene 96% 1g $11 2021-12-16 Buy
Arctom AS611811 1,2,3,4,5-Pentamethylcyclopenta-1,3-diene 96% 10g $59 2021-12-16 Buy

Properties

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
InChI :InChI=1S/C10H16/c1-6-7(2)9(4)10(5)8(6)3/h6H,1-5H3
InChIKey :WQIQNKQYEUMPBM-UHFFFAOYSA-N
SMILES :C1(C)C(C)C(C)=C(C)C=1C
CAS DataBase Reference :4045-44-7(CAS DataBase Reference)
NIST Chemistry Reference :1,3-Cyclopentadiene, 1,2,3,4,5-pentamethyl-(4045-44-7)

Safety Information

Symbol(GHS): Flame (GHS02)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H226 Flammable liquid and vapour Flammable liquids Category 3 Warning
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P242 Use only non-sparking tools.
P243 Take precautionary measures against static discharge.

Description

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.

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