3-Methyl-1,2-cyclopentanedione

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

3-Methyl-1,2-cyclopentanedione

Product Name: 3-Methyl-1,2-cyclopentanedione
CAS No.: 765-70-8
Chemical Name: 3-Methyl-1,2-cyclopentanedione
Synonyms: MCP;1,2-Cyclopentanedione, 3-methyl-;MAPLE LACTONE;2-HYDROXY-3-METHYL-2-CYCLOPENTEN-1-ONE;3-METHYLCYCLOPENTANE-1,2-DIONE;2-HYDROXY-3-METHYL-2-CYCLOPENTENONE;FEMA 2700;3-Methylcyclopenta-1,2-dione;3-Methyl-1,2-cyclopentadione;2-Cyclopentanedione,3-methyl-1
CBNumber: CB6378985
Molecular Formula: C6H8O2
Formula Weight: 112.13
MOL File: 765-70-8.mol

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3-Methyl-1,2-cyclopentanedione Property

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
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)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38-43
Safety Statements: 22-24/25-36/37-26-36
WGK Germany: 3
TSCA: Yes
HS Code: 29142900

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 178500
Product name: 3-Methyl-1,2-cyclopentanedione
Purity: 99%
Packaging: 10g
Price: $53.4
Updated: 2024/03/01

TCI Chemical

Product number: M2904
Product name: 3-Methyl-1,2-cyclopentanedione
Purity: >98.0%(GC)(T)
Packaging: 25g
Price: $42
Updated: 2024/03/01

Alfa Aesar

Product number: A10255
Product name: 3-Methylcyclopentane-1,2-dione, 98+%
Packaging: 10g
Price: $26.65
Updated: 2024/03/01

Alfa Aesar

Product number: A10255
Product name: 3-Methylcyclopentane-1,2-dione, 98+%
Packaging: 50g
Price: $78.65
Updated: 2024/03/01

Alfa Aesar

Product number: A10255
Product name: 3-Methylcyclopentane-1,2-dione, 98+%
Packaging: 100g
Price: $146.65
Updated: 2024/03/01

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3-Methyl-1,2-cyclopentanedione Chemical Properties,Usage,Production

Description

Methylcyclopentenolone has a sweet flavor somewhat similar to licorice.

Chemical Properties

Methylcyclopentenolone has a sweet flavor somewhat similar to licorice. This compound is also reported to have a nutty odor, and a maple-licorice aroma in dilute solution

Chemical Properties

WHITE TO OFF-WHITE POWDER

Occurrence

Reported formed during the dry distillation of wood; found also in the corresponding tar oil; identified in fenugreek. Also reported found in black currants, onion, wheat bread, cured and cooked pork, beer, cocoa, coffee, barley, filbert, almond, sukiyaki, licorice, dried bonito and roasted chicory root

Preparation

Sublimes and distills at atmospheric pressure with decomposition.

Definition

ChEBI: 3-Methyl-1,2-cyclopentanedione is a cyclic ketone.

Aroma threshold values

Detection: 300 ppb

Taste threshold values

Taste characteristics at 5 ppm: sweet, maple, bready, caramellic with nutty nuances.

Synthesis Reference(s)

Synthesis, p. 104, 1975 DOI: 10.1055/s-1975-23673

General Description

3-Methyl-1,2-cyclopentanedione is present in coffee and is capable of scavenging peroxynitrite. It also has anti-inflammatory effects.

3-Methyl-1,2-cyclopentanedione Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 3-Methyl-1,2-cyclopentanedione manufacturers

Hebei Yanxi Chemical Co., Ltd.

Product: 3-Methyl-1,2-cyclopentanedione 765-70-8
Price: US $65.00-10.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 20 tons
Release date: 2023-09-15

Hebei Mojin Biotechnology Co., Ltd

Product: 3-Methyl-1,2-cyclopentanedione 765-70-8
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2023-11-09

Hebei Guanlang Biotechnology Co., Ltd.

Product: 3-Methyl-1,2-cyclopentanedione 765-70-8
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2022-10-12

765-70-8, 3-Methyl-1,2-cyclopentanedioneRelated Search:

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3-Methyl-1,2-cyclopentadione

3-Methylcyclopenta-1,2-dione

3-Methyl-1,2-cyclopentanedione,99%

3-Methyl-1,2-cyclopentanedione, 99% 10GR

3-Methyl-1,2-cyclopentanedione, 99% 50GR

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3-Methyl-1,2-cyclopentanedione 99%

2-Cyclopentanedione,3-methyl-1

opentane-1,2-dione

3-methyl-2-cyclopentanedione

MCP

MAPLE LACTONE

FEMA 2700

3-METHYL-1,2-CYCLOPENTANEDIONE

3-METHYLCYCLOPENTANE-1,2-DIONE

METHYL CYCLOPENTENALONE

2-HYDROXY-3-METHYL-2-CYCLOPENTEN-1-ONE

2-HYDROXY-3-METHYL-2-CYCLOPENTENONE

3-METHYL-1,2-CYCLOPENTANEDIONE ANHYDROUS

METHYL CYCLOPENTENOLONE 99+% FCC

3-Methylcyclopentane-1,2-dione, 98+%

1,2-Cyclopentanedione, 3-methyl-

Methyl cyclopentenlone

METHYLCYCLOPENTENOLLONE

3-METHYL-1,2-CYCLOPENTANEDIONE (MAPLE LACTONE)

2-Hydroxy-3-methyl-2-cyclopenten-1-one, 3-Methyl-1,2-cyclopentanedione, Maple lactone

2-Hydroxy-3-methyl-2-cyclopenten-1-one, Maple lactone

765-70-8 3-Methyl-1,2-cyclopentanedione

3-Methyl cyclopenten-1,2-dione

765-70-8

Ketones

Organic Building Blocks

C3 to C6

Carbonyl Compounds

Building Blocks

Indolines ,Indoles ,Indazoles