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ChemicalBook >> CAS DataBase List >> 3-Methyl-1,2-cyclopentanedione

3-Methyl-1,2-cyclopentanedione

3-Methyl-1,2-cyclopentanedione price.
  • $3 - $5933.09
  • Product name: 3-Methyl-1,2-cyclopentanedione
  • CAS: 765-70-8
  • MF: C6H8O2
  • MW: 112.13
  • EINECS:212-154-8
  • MDL Number:MFCD00001417
  • Synonyms:3-Methyl-1,2-cyclopentanedione,99%;3-Methyl-1,2-cyclopentanedione, 99% 10GR;3-Methyl-1,2-cyclopentanedione, 99% 50GR;Methylcyclopentane-1,2-;3-Methyl-1,2-cyclopentanedione 99%;3-methyl-2-cyclopentanedione ;3-METHYL-1,2-CYCLOPENTANEDIONE;METHYL CYCLOPENTENALONE
Price51 Properties Safety Information Description
51 prices
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  • A2B
  • aablocks
  • Aaron Chemicals
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  • American Custom Chemicals Corporation
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  • ManufacturerA2B
  • Product numberAE06727
  • Product description3-Methylcyclopentane-1,2-dione 98%
  • Packaging5g
  • Price$10
  • Updated2026-05-25
  • Buy
  • ManufacturerA2B
  • Product numberAE06727
  • Product description3-Methylcyclopentane-1,2-dione 98%
  • Packaging25g
  • Price$12
  • Updated2026-05-25
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  • ManufacturerA2B
  • Product numberAE06727
  • Product description3-Methylcyclopentane-1,2-dione 98%
  • Packaging100g
  • Price$30
  • Updated2026-05-25
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  • ManufacturerA2B
  • Product numberAE06727
  • Product description3-Methylcyclopentane-1,2-dione 98%
  • Packaging500g
  • Price$81
  • Updated2026-05-25
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  • ManufacturerA2B
  • Product numberAE06727
  • Product description3-Methylcyclopentane-1,2-dione 98%
  • Packaging5kg
  • Price$348
  • Updated2026-05-25
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  • ManufacturerA2B
  • Product numberAE06727
  • Product description3-Methylcyclopentane-1,2-dione 98%
  • Packaging10kg
  • Price$628
  • Updated2026-05-25
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  • Manufactureraablocks
  • Product numberAA008PWR
  • Product description3-Methylcyclopentane-1,2-dione 99-100%(GC)
  • Packaging10kg
  • Price$630
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA008PWR
  • Product description3-Methylcyclopentane-1,2-dione 99-100%(GC)
  • Packaging5kg
  • Price$350
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA008PWR
  • Product description3-Methylcyclopentane-1,2-dione ≥98%
  • Packaging500g
  • Price$104
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA008PWR
  • Product description3-Methylcyclopentane-1,2-dione ≥98%
  • Packaging100g
  • Price$36
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA008PWR
  • Product description3-Methylcyclopentane-1,2-dione ≥98%
  • Packaging25g
  • Price$12
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA008PWR
  • Product description3-Methylcyclopentane-1,2-dione ≥98%
  • Packaging5g
  • Price$10
  • Updated2026-05-28
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  • ManufacturerAaron Chemicals
  • Product numberAR008QOJ
  • Product description3-Methylcyclopentane-1,2-dione 95%
  • Packaging5g
  • Price$3
  • Updated2026-06-03
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  • ManufacturerAaron Chemicals
  • Product numberAR008QOJ
  • Product description3-Methylcyclopentane-1,2-dione 95%
  • Packaging25g
  • Price$4
  • Updated2026-06-03
  • Buy
  • ManufacturerAaron Chemicals
  • Product numberAR008QOJ
  • Product description3-Methylcyclopentane-1,2-dione 95%
  • Packaging100g
  • Price$12
  • Updated2026-06-03
  • Buy
  • ManufacturerAaron Chemicals
  • Product numberAR008QOJ
  • Product description3-Methylcyclopentane-1,2-dione 95%
  • Packaging500g
  • Price$41
  • Updated2026-06-03
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
A2B AE06727 3-Methylcyclopentane-1,2-dione 98% 5g $10 2026-05-25 Buy
A2B AE06727 3-Methylcyclopentane-1,2-dione 98% 25g $12 2026-05-25 Buy
A2B AE06727 3-Methylcyclopentane-1,2-dione 98% 100g $30 2026-05-25 Buy
A2B AE06727 3-Methylcyclopentane-1,2-dione 98% 500g $81 2026-05-25 Buy
A2B AE06727 3-Methylcyclopentane-1,2-dione 98% 5kg $348 2026-05-25 Buy
A2B AE06727 3-Methylcyclopentane-1,2-dione 98% 10kg $628 2026-05-25 Buy
aablocks AA008PWR 3-Methylcyclopentane-1,2-dione 99-100%(GC) 10kg $630 2026-05-28 Buy
aablocks AA008PWR 3-Methylcyclopentane-1,2-dione 99-100%(GC) 5kg $350 2026-05-28 Buy
aablocks AA008PWR 3-Methylcyclopentane-1,2-dione ≥98% 500g $104 2026-05-28 Buy
aablocks AA008PWR 3-Methylcyclopentane-1,2-dione ≥98% 100g $36 2026-05-28 Buy
aablocks AA008PWR 3-Methylcyclopentane-1,2-dione ≥98% 25g $12 2026-05-28 Buy
aablocks AA008PWR 3-Methylcyclopentane-1,2-dione ≥98% 5g $10 2026-05-28 Buy
Aaron Chemicals AR008QOJ 3-Methylcyclopentane-1,2-dione 95% 5g $3 2026-06-03 Buy
Aaron Chemicals AR008QOJ 3-Methylcyclopentane-1,2-dione 95% 25g $4 2026-06-03 Buy
Aaron Chemicals AR008QOJ 3-Methylcyclopentane-1,2-dione 95% 100g $12 2026-06-03 Buy
Aaron Chemicals AR008QOJ 3-Methylcyclopentane-1,2-dione 95% 500g $41 2026-06-03 Buy
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Properties

Melting point :104-108 °C(lit.)
Boiling point :170.05°C (rough estimate)
Density :1.0795 (rough estimate)
refractive index :1.4550 (estimate)
FEMA :2700 | METHYLCYCLOPENTENOLONE
Flash point :100 °C
storage temp. :Store below +30°C.
solubility :soluble in Methanol
form :Powder
color :White to off-white
Odor :at 10.00 % in dipropylene glycol. sweet caramel maple sugar coffee woody
Odor Type :caramellic
Water Solubility :soluble
λmax :259nm(EtOH)(lit.)
JECFA Number :418
BRN :2076520
InChI :1S/C6H8O2/c1-4-2-3-5(7)6(4)8/h4H,2-3H2,1H3
InChIKey :OACYKCIZDVVNJL-UHFFFAOYSA-N
SMILES :CC1CCC(=O)C1=O
LogP :0.04
CAS DataBase Reference :765-70-8(CAS DataBase Reference)
NIST Chemistry Reference :1,2-Cyclopentanedione, 3-methyl-(765-70-8)
EPA Substance Registry System :1,2-Cyclopentanedione, 3-methyl- (765-70-8)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Methylcyclopentenolone has a sweet flavor somewhat similar to licorice.

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. Alfa Aesar TCI (Shanghai) Development Co., Ltd. Energy Chemical Syntechem Co.,Ltd Sichuan Kulinan Technology Co., Ltd Tianjin heowns Biochemical Technology Co., Ltd. Sinopharm Chemical Reagent Co,Ltd. Spectrum Chemical Manufacturing Corp.