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

2-Methyl-1,3-cyclopentanedione

2-Methyl-1,3-cyclopentanedione price.
  • $6 - $625
  • 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
Price48 Properties Safety Information Description
48 prices
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  • AHH
  • AK Scientific
  • Alfa Aesar
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  • Arctom
  • Chemenu
  • Crysdot
  • Frontier Specialty Chemicals
  • Matrix Scientific
  • Medical Isotopes, Inc.
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  • ManufacturerAHH
  • Product numberMT-17699
  • Product description2-Methyl-1,3-cyclopentanedione 98%
  • Packaging250g
  • Price$490
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ94478
  • Product description2-Methyl-1,3-cyclopentanedione
  • Packaging5g
  • Price$10
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberH067
  • Product description2-Methyl-1,3-cyclopentanedione
  • Packaging5g
  • Price$14
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberH067
  • Product description2-Methyl-1,3-cyclopentanedione
  • Packaging25g
  • Price$38
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberH067
  • Product description2-Methyl-1,3-cyclopentanedione
  • Packaging100g
  • Price$121
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA13936
  • Product description2-Methylcyclopentane-1,3-dione, 98%
  • Packaging5g
  • Price$32.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA13936
  • Product description2-Methylcyclopentane-1,3-dione, 98%
  • Packaging25g
  • Price$124.65
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product numberA13936
  • Product description2-Methylcyclopentane-1,3-dione, 98%
  • Packaging100g
  • Price$496.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAmbeed
  • Product numberA191905
  • Product description2-Methylcyclopentane-1,3-dione 97+%
  • Packaging5g
  • Price$6
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA191905
  • Product description2-Methylcyclopentane-1,3-dione 97+%
  • Packaging10g
  • Price$8
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA191905
  • Product description2-Methylcyclopentane-1,3-dione 97+%
  • Packaging25g
  • Price$18
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA191905
  • Product description2-Methylcyclopentane-1,3-dione 97+%
  • Packaging100g
  • Price$68
  • Updated2021-12-16
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  • ManufacturerAmbeed
  • Product numberA191905
  • Product description2-Methylcyclopentane-1,3-dione 97+%
  • Packaging500g
  • Price$271
  • Updated2021-12-16
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  • ManufacturerApolloscientific
  • Product numberOR0612
  • Product description2-Methylcyclopentane-1,3-dione
  • Packaging5g
  • Price$15
  • Updated2021-12-16
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  • ManufacturerApolloscientific
  • Product numberOR0612
  • Product description2-Methylcyclopentane-1,3-dione
  • Packaging25g
  • Price$31
  • Updated2021-12-16
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  • ManufacturerApolloscientific
  • Product numberOR0612
  • Product description2-Methylcyclopentane-1,3-dione
  • Packaging100g
  • Price$98
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-17699 2-Methyl-1,3-cyclopentanedione 98% 250g $490 2021-12-16 Buy
AK Scientific J94478 2-Methyl-1,3-cyclopentanedione 5g $10 2021-12-16 Buy
AK Scientific H067 2-Methyl-1,3-cyclopentanedione 5g $14 2021-12-16 Buy
AK Scientific H067 2-Methyl-1,3-cyclopentanedione 25g $38 2021-12-16 Buy
AK Scientific H067 2-Methyl-1,3-cyclopentanedione 100g $121 2021-12-16 Buy
Alfa Aesar A13936 2-Methylcyclopentane-1,3-dione, 98% 5g $32.65 2024-03-01 Buy
Alfa Aesar A13936 2-Methylcyclopentane-1,3-dione, 98% 25g $124.65 2024-03-01 Buy
Alfa Aesar A13936 2-Methylcyclopentane-1,3-dione, 98% 100g $496.65 2024-03-01 Buy
Ambeed A191905 2-Methylcyclopentane-1,3-dione 97+% 5g $6 2021-12-16 Buy
Ambeed A191905 2-Methylcyclopentane-1,3-dione 97+% 10g $8 2021-12-16 Buy
Ambeed A191905 2-Methylcyclopentane-1,3-dione 97+% 25g $18 2021-12-16 Buy
Ambeed A191905 2-Methylcyclopentane-1,3-dione 97+% 100g $68 2021-12-16 Buy
Ambeed A191905 2-Methylcyclopentane-1,3-dione 97+% 500g $271 2021-12-16 Buy
Apolloscientific OR0612 2-Methylcyclopentane-1,3-dione 5g $15 2021-12-16 Buy
Apolloscientific OR0612 2-Methylcyclopentane-1,3-dione 25g $31 2021-12-16 Buy
Apolloscientific OR0612 2-Methylcyclopentane-1,3-dione 100g $98 2021-12-16 Buy
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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

Hebei Guanlang Biotechnology Co,.LTD
2-Methyl-1, 3-Cyclopentanedione
$2.00 /50KG
2-Methyl-1, 3-Cyclopentanedione CAS:765-69-5
Ouhuang Engineering Materials (Hubei) Co., Ltd
2-Methylcyclopentane-1,3-dione
$10.00 /1kg
2-Methylcyclopentane-1,3-dione CAS:765-69-5
career henan chemical co
2-Methyl-1,3-cyclopentanedione
$1.00 /1KG
2-Methyl-1,3-cyclopentanedione CAS:765-69-5
Henan Tianfu Chemical Co.,Ltd.
Shenzhen Nexconn Pharmatechs Ltd
Accela ChemBio Inc.
Hubei xin bonus chemical co. LTD
Chongqing Chemdad Co., Ltd
Alchem Pharmtech,Inc.
CONIER CHEM AND PHARMA LIMITED