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ChemicalBook > Product Catalogue >Chemical Reagents >Organic reagents >aliphatic ketones >2-Methyl-1,3-cyclopentanedione

2-Methyl-1,3-cyclopentanedione

2-Methyl-1,3-cyclopentanedione Structure
  • ₹2262.43 - ₹26604
  • Product name: 2-Methyl-1,3-cyclopentanedione
  • CAS: 765-69-5
  • MF: C6H8O2
  • MW: 112.13
  • EINECS:212-153-2
  • MDL Number:MFCD00001406
  • Synonyms:2-METHYLCYCLOPENTAN-1,3-DIONE;2-METHYL-1,3-CYCLOPENTANEDIONE;METHYLCYCLE-D;2-Methylcyclopentane-1,3-dione,98%;2-METHYL-1,3-CYCLOPENTANEDIONE(METHYLCYCLO-D);2-Methyl-1,3-cyclopentanediolne;2-Methyl-1;2-Methyl-1,3-dioxocyclopentane
Price7 Properties Safety Information Description
7 prices
Selected condition：

Brand

  • TCI Chemicals (India)
  • Sigma-Aldrich(India)
  • ALFA India

Package

  • 5G
  • 25G
  • 100g
  • ManufacturerTCI Chemicals (India)
  • Product numberM0901
  • Product description2-Methyl-1,3-cyclopentanedione min. 97.0 %
  • Packaging5G
  • Price₹3100
  • Updated2022-05-26
  • Buy
  • ManufacturerTCI Chemicals (India)
  • Product numberM0901
  • Product description2-Methyl-1,3-cyclopentanedione min. 97.0 %
  • Packaging25G
  • Price₹9100
  • Updated2022-05-26
  • Buy
  • ManufacturerSigma-Aldrich(India)
  • Product number117021
  • Product description2-Methyl-1,3-cyclopentanedione 99%
  • Packaging25G
  • Price₹10229.63
  • Updated2022-06-14
  • Buy
  • ManufacturerSigma-Aldrich(India)
  • Product number117021
  • Product description2-Methyl-1,3-cyclopentanedione 99%
  • Packaging5G
  • Price₹2262.43
  • Updated2022-06-14
  • Buy
  • ManufacturerALFA India
  • Product numberALF-A13936-22
  • Product description2-Methylcyclopentane-1,3-dione, 98%
  • Packaging100g
  • Price₹26604
  • Updated2022-05-26
  • Buy
  • ManufacturerALFA India
  • Product numberALF-A13936-14
  • Product description2-Methylcyclopentane-1,3-dione, 98%
  • Packaging25g
  • Price₹10212
  • Updated2022-05-26
  • Buy
  • ManufacturerALFA India
  • Product numberALF-A13936-06
  • Product description2-Methylcyclopentane-1,3-dione, 98%
  • Packaging5g
  • Price₹2308
  • Updated2022-05-26
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
TCI Chemicals (India) M0901 2-Methyl-1,3-cyclopentanedione min. 97.0 % 5G ₹3100 2022-05-26 Buy
TCI Chemicals (India) M0901 2-Methyl-1,3-cyclopentanedione min. 97.0 % 25G ₹9100 2022-05-26 Buy
Sigma-Aldrich(India) 117021 2-Methyl-1,3-cyclopentanedione 99% 25G ₹10229.63 2022-06-14 Buy
Sigma-Aldrich(India) 117021 2-Methyl-1,3-cyclopentanedione 99% 5G ₹2262.43 2022-06-14 Buy
ALFA India ALF-A13936-22 2-Methylcyclopentane-1,3-dione, 98% 100g ₹26604 2022-05-26 Buy
ALFA India ALF-A13936-14 2-Methylcyclopentane-1,3-dione, 98% 25g ₹10212 2022-05-26 Buy
ALFA India ALF-A13936-06 2-Methylcyclopentane-1,3-dione, 98% 5g ₹2308 2022-05-26 Buy

Properties

Melting point :212-215 °C (lit.)
Boiling point :213°C (estimate)
Density :1.0795 (rough estimate)
refractive index :1.4550 (estimate)
storage temp. :Store below +30°C.
solubility :Solubility in hot Methanol (almost transparency).
form :Crystalline Powder
pka :10.83±0.20(Predicted)
color :Light beige to tan
PH :2.95 at 24.7℃ and 10g/L
BRN :1237255
InChIKey :HXZILEQYFQYQCE-UHFFFAOYSA-N
LogP :-0.8 at 30℃ and pH7.66
CAS DataBase Reference :765-69-5(CAS DataBase Reference)
NIST Chemistry Reference :1,3-Cyclopentanedione, 2-methyl-(765-69-5)

Safety Information

Symbol(GHS): GHS hazard pictograms
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 GHS hazard pictograms P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning GHS hazard pictograms P261, P271, P304+P340, P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
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

2-Methylcyclopentane-1,3-dione is an efficient synthon for the synthesis of (±)-α-cuparenone. The alkylation of 2-methylcyclopentane-1,3-dione (A) with 2-(1-naphthyl)ethyl bromide gives only the O-alkylation product. Mixtures of C- and O-alkyl derivatives are obtained. Michael addition of 2-methylcyclopentane-1,3-dione to methyl vinyl ketone in water gives 2-methyl-2-(3-oxo- butyl)-1,3-cyclopentanedione (3), an important intermediate of natural product chemistry. 2-Methylcyclopentane-1, 3-dione is an efficient synthon for the synthesis of (±)-α-cuparenone.

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Suppliers and manufacturers

GLR Innovations NIRMAL CHEMICALS Nirmal Chemicals CHEMSWORTH OCEAN TRADING CORPORATION TCI Chemicals (India) Pvt. Ltd. Dhruvtara Chemicals Pvt. Ltd. S. Nihar Exports A.J Chemicals CLEARSYNTH LABS LTD.