ChemicalBook > CAS DataBase List > Dimedone

Dimedone

Product Name
Dimedone
CAS No.
126-81-8
Chemical Name
Dimedone
Synonyms
METHONE;5,5-DIMETHYL-1,3-CYCLOHEXANEDIONE;5,5-DIMETHYL-CYCLOHEXANE-1,3-DIONE;5,5-Dimethyl-1,3-cyclohexadione;DIMEDON;Cyclomethone;lu274;Medon;Lu 274;Methon
CBNumber
CB1741746
Molecular Formula
C8H12O2
Formula Weight
140.18
MOL File
126-81-8.mol
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Dimedone Property

Melting point:
146-148 °C (lit.)
Boiling point:
216.69°C (rough estimate)
Density 
1.0373 (rough estimate)
refractive index 
1.4787 (estimate)
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
solubility 
4.01g/l
pka
4.8(at 25℃)
form 
Liquid
color 
Clear colorless to yellow
Water Solubility 
0.416 g/100 mL (25 ºC)
Merck 
14,3242
BRN 
471489
Stability:
Stable, but may be light sensitive. Incompatible with strong oxidizing agents.
InChIKey
BADXJIPKFRBFOT-UHFFFAOYSA-N
LogP
1.3 at 20℃
CAS DataBase Reference
126-81-8(CAS DataBase Reference)
NIST Chemistry Reference
Dimedone(126-81-8)
EPA Substance Registry System
1,3-Cyclohexanedione, 5,5-dimethyl- (126-81-8)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
24/25-36-26
WGK Germany 
2
RTECS 
GV0345000
F 
8-9
TSCA 
Yes
HS Code 
29142900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H228Flammable solid

H317May cause an allergic skin reaction

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

H350May cause cancer

H360May damage fertility or the unborn child

H373May cause damage to organs through prolonged or repeated exposure

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P272Contaminated work clothing should not be allowed out of the workplace.

P285In case of inadequate ventilation wear respiratory protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P341IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.

P308+P313IF exposed or concerned: Get medical advice/attention.

P342+P311IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.

P363Wash contaminated clothing before reuse.

P403Store in a well-ventilated place.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
38490
Product name
5,5-Dimethyl-1,3-cyclohexanedione
Purity
for HPLC derivatization, for the determination of aldehyde formaldehyde, ≥99.0%
Packaging
50g
Price
$68.1
Updated
2024/03/01
Sigma-Aldrich
Product number
38490
Product name
5,5-Dimethyl-1,3-cyclohexanedione
Purity
for HPLC derivatization, for the determination of aldehyde formaldehyde, ≥99.0%
Packaging
10g
Price
$21.1
Updated
2022/05/15
TCI Chemical
Product number
D0701
Product name
Dimedone
Purity
>99.0%(T)
Packaging
25g
Price
$47
Updated
2024/03/01
TCI Chemical
Product number
D0701
Product name
Dimedone
Purity
>99.0%(T)
Packaging
100g
Price
$104
Updated
2024/03/01
Alfa Aesar
Product number
A10140
Product name
Dimedone, 98%
Packaging
25g
Price
$33.9
Updated
2024/03/01
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Dimedone Chemical Properties,Usage,Production

Chemical Properties

solid

Uses

Part of furannulation strategy for the synthesis of naturally occurring fused 3-methylfurans.1

Uses

Used in the synthesis of fused 3-methylfurans via furannulation.

Uses

Reagent used in synthesis of fused 3-methylfuransDimedone is used in organic chemistry to identify the presence of aldehyde group. It is also used as a catalyst in the formation of transition-metal complexes. Further, it is also employed in colorimetry, crystallography, luminescence and spectrophotometric analysis. In addition to this, it is used in the synthesis of naturally occurring fused 3-methylfurans.

Uses

A mentha compound showing antimicrobial properties against common bacteria in the food industry such as E.coli and P.aeruginosa as well as strains of yeast.

Synthesis Reference(s)

Journal of the American Chemical Society, 77, p. 6656, 1955 DOI: 10.1021/ja01629a086
Organic Syntheses, Coll. Vol. 2, p. 200, 1943

General Description

5,5-dimethyl-1,3-cyclohexanedione (Dimedone) is basically a highly sensitive and very specific reagent used for the determination of aldehydes. It is highly advantageous as it is environment friendly, give high yields and is a simple workup procedure.

Purification Methods

Crystallise dimedone from acetone (ca 8mL/g), water or aqueous EtOH. Dry it in air. [Schneider & Todd Org Synth Coll Vol II 200 1943, Beilstein 7 H 559, 7 IV 1999.]

Dimedone Preparation Products And Raw materials

Raw materials

Diethyl ester Malonic acid

Preparation Products

3,3-Dimethylglutaric acid
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Dimedone Suppliers

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View Lastest Price from Dimedone manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Dimedone 126-81-8
Price
US $85.00-25.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-05-23
Hebei Weibang Biotechnology Co., Ltd
Product
Dimedone 126-81-8
Price
US $10.00/KG
Min. Order
1KG
Purity
99.5%
Supply Ability
100
Release date
2024-10-30
airuikechemical co., ltd.
Product
Dimedone 126-81-8
Price
US $0.00-0.00/Kg
Min. Order
1Kg
Purity
99.9%
Supply Ability
200tons
Release date
2024-04-08

126-81-8, DimedoneRelated Search:

1,3-Cyclohexanedione Poly(dimethylsiloxane) N,N-Dimethylacetamide Dimethyl carbonate Dimethyl ether Dimethyl sulfate Dimethyl sulfoxide Dimethyl disulfide Dimethyl phthalate ETHANE Dacthal Cyclicdimethylpolysiloxane N,N-Dimethylformamide Dimethyl fumarate 3,4-Diaminobenzoic acid CYCLOHEXYL ISOCYANIDE 4,4-DIMETHYL-1,3-CYCLOHEXANEDIONE METHYL 2,2-DIMETHYL-4,6-DIOXOCYCLOHEXANECARBOXYLATE, 97

  • 5,5-DIMETHYL-1,3-CYCLOHEXANEDIONE
  • 5,5'-DIMETHYLCYCLOHEXANE-1,3-DIONE
  • 5,5-DIMETHYL-CYCLOHEXANE-1,3-DIONE
  • 5,5-DIMETHYLDIHYDRORESORCINOL
  • 1,1-Dimethyl-3,5-cyclohexanedione
  • 1,1-Dimethyl-3,5-diketocyclohexane
  • 1,3-Cyclohexanedione, 5,5-dimethyl-
  • 1,3-Cyclohexanedione,5,5-dimethyl-
  • 3-Cyclohexanedione,5,5-dimethyl-1
  • 5,5-Dimethyl-1,3-cyclohexadione
  • 5,5-Dimethyl-1,3-dihydroresorcinol
  • 5,5-dimethyl-3-cyclohexanedione
  • 5,5-Dimethyldinydroresorcinol
  • 5,5-Dimethylhydroresorcinol
  • Cyclomethone
  • Lu 274
  • lu274
  • Medon
  • Methon
  • 5,5-Dimethyl-1,3-Cyclohexandion
  • 5,5-Dimethyl-1,3-cyclohexanedione (Dimedone)
  • 5-5-DIMETHYL-1-3-CYCLOHEXANEDIONE*CRYSTALLINE
  • DimedoneGr
  • 5,5-Dimethyl-1,3-cyclohexanedi
  • 5,5-Dimethylhydroresorcinol(5,5-Dimethyl-1,3-Cyclohexanedione)
  • 5,5-Dimethyl-1,3-hydroresorcinol
  • 5,5-DIMETHYL-1,3-CYCLOHEXANEDIONE 98.5%
  • Dimedone, Methone
  • 1,1-Dimethylcyclohexane-3,5-dione
  • 5,5-DiMethyl-1,3-cyclohexanedione, 99% 25GR
  • 5,5-Dimethyl-1,3-cyclohexanedione 5,5-Dimethyldihydroresorcinol Methone
  • DIMEDONE GR FOR ANALYSIS (REAGENT FOR AL
  • 5,5-DiMethy-1,3-cyclohexanedione(diMe done)
  • 5,5-DIMETHYL-1,3-CYCLOHEXANEDOINE
  • DiMethyl-1,3-cyclohexane
  • Dimedone, Methone, 1,1-Dimethyl-3,5-dioxocyclohexane
  • 5,5-DiMethyl-1,3-cyclohexanedione 95%
  • 5,5-DiMethyl-1,3-cyclohexanedione, CP,96%
  • Delta ketone
  • 1-Dimedone GR
  • Dimedone 〔Dimethyldihydroresorcinol〕
  • Dimedone GR for analysis (reagent for aldehydes)
  • METHONE
  • DIMEDON
  • DIMEDONE
  • DIMETHYLDIHYDRORESORCINOL
  • 5,5-DIMETHYL-1,3-DIOXOCYCLOHEXANE
  • 5,5-DIMETHYL-1,3-CYCLOHEXANDIONE
  • 5,5-DimethyL
  • 5,5-Dimethyl-1,3-cyclohexanedione,99%
  • 5,5- Dimrthyl-1,3-cyclohexanedione
  • Dimedone ,98%
  • 5,5-Dimethyl-1,3-cyclohexanedione,Dimedone, Methone
  • 5,5-Dimethyl-1,3-cyc
  • 3-cyclohexanedione
  • 5,5-DiMethyl-1,3-cyclohexanedione, 99% 100GR
  • Dimedone solution
  • 5,5-Dimethylcyclohexane-1,3-dione 98%