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Methyl 3,5-dioxohexanoate

Product Name
Methyl 3,5-dioxohexanoate
CAS No.
29736-80-9
Chemical Name
Methyl 3,5-dioxohexanoate
Synonyms
3,5-dioxohexanoate;Methyl 3,5-dioxohexanoate;3,5-Dioxohexanoic acid methyl ester;Benzenamine,6-hydrazinyl-N,N-dimethyl-;Hexanoic acid, 3,5-dioxo-, methyl ester
CBNumber
CB42359856
Molecular Formula
C7H10O4
Formula Weight
158.15
MOL File
29736-80-9.mol
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Methyl 3,5-dioxohexanoate Property

Boiling point:
222℃
Density 
1.115
Flash point:
90℃
storage temp. 
2-8°C
pka
7.72±0.10(Predicted)
Appearance
Colorless to light yellow Liquid
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

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

AK Scientific
Product number
3050AB
Product name
Methyl3,5-dioxohexanoate
Packaging
1g
Price
$475
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0393010
Product name
METHYL-3,5-DIOXOHEXANOATE
Purity
95.00%
Packaging
5MG
Price
$500.82
Updated
2021/12/16
AK Scientific
Product number
3050AB
Product name
Methyl3,5-dioxohexanoate
Packaging
100mg
Price
$157
Updated
2021/12/16
Crysdot
Product number
CD13016138
Product name
Methyl3,5-dioxohexanoate
Purity
95+%
Packaging
1g
Price
$312
Updated
2021/12/16
Ambeed
Product number
A112055
Product name
Methyl3,5-dioxohexanoate
Purity
95%
Packaging
1g
Price
$324
Updated
2021/12/16
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Methyl 3,5-dioxohexanoate Chemical Properties,Usage,Production

Synthesis

79-22-1

123-54-6

29736-80-9

GENERAL STEPS: The general procedure for the synthesis of methyl 3,5-diketohexanoate from methyl chloroformate and acetylacetone is as follows: Step A. 3-Acylation of 2,4-pentanedione Acetylacetone (1.00 g, 10 mmol) was added to a suspension of magnesium chloride (1.35 g, 1.2 eq.) in 20 mL of dichloromethane followed by pyridine (2.13 mL, 2.5 eq.). The mixture was stirred at 0 °C for 1 hour, then alkyl chloroformate or phenyl isocyanate (1.0 eq.) was slowly added dropwise at 0 °C. The reaction mixture was gradually warmed to room temperature over 8 hours, after which it was poured into aqueous 3N HCl (10 mL) and extracted with dichloromethane (20 mL). The organic layer was washed with brine (20 mL), dried over anhydrous sodium sulfate, and concentrated under reduced pressure to remove the solvent. Depending on the physical state of the product, distillation or recrystallization was chosen to purify it from the appropriate solvent. Product Characterization: 1. 3-(Methoxycarbonyl)acetylacetone: colorless liquid, yield 68.1%. Distillation conditions: 45°C, 0.5 mmHg. ESI (-ve) MS m/z 157.1 [M-H]-. 1H NMR (DMSO-d6, 300MHz): δ 2.999 (s, 6H), 3.730 (s, 3H), 17.760 (s, 1H). 2. 3-(Ethoxycarbonyl)acetylacetone: colorless liquid, yield 60.5%. Distillation conditions: 60°C, 1.4 mmHg. ESI (-ve) MS m/z 171.2 [M-H]-. 1H NMR (DMSO-d6, 300MHz): δ 1.253 (t, 3H), 2.303 (s, 6H), 4.164-4.236 (m, 2H), 17.747 (s, 1H). 3. 3-(phenylaminocarbonyl)acetylacetone: white solid, yield 72.0%, melting point 118-119°C. ESI (-ve) MS m/z 218.1 [M-H]-. 1H NMR (DMSO-d6, 300MHz): δ 2.154 (s, 6H), 7.084 (t, 1H), 7.324 (t, 2H), 7.640 (d, J = 8.1Hz, 2H), 10.355 (s, 1H), 16.463 (s, 1H).

References

[1] Patent: WO2013/59203, 2013, A1. Location in patent: Page/Page column 49; 50

Methyl 3,5-dioxohexanoate Preparation Products And Raw materials

Raw materials

Preparation Products

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Methyl 3,5-dioxohexanoate Suppliers

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29736-80-9, Methyl 3,5-dioxohexanoateRelated Search:


  • 3,5-Dioxohexanoic acid methyl ester
  • Methyl 3,5-dioxohexanoate
  • Hexanoic acid, 3,5-dioxo-, methyl ester
  • Benzenamine,6-hydrazinyl-N,N-dimethyl-
  • 3,5-dioxohexanoate
  • 29736-80-9