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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  • Ketones
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  • Carbonyl Compounds
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