2,2,5-Trimethyl-1,3-dioxane-4,6-dione

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Names

[ CAS No. ]:
3709-18-0

[ Name ]:
2,2,5-Trimethyl-1,3-dioxane-4,6-dione

[Synonym ]:
2,2,5-Trimethyl-1,3-dioxane-4,6-dione
EINECS 223-050-7
Methylmalonic acid cyclic isopropylidene ester
5-methyl-Meldrum's acid
Methyl Meldrum's acid
1,3-Dioxane-4,6-dione, 2,2,5-trimethyl-
MFCD00006637
isopropylidene methylmalonic acid ester
2,2,5,5-TETRAMETHYL-3-PYRROLIN-1-OXYL-3-CARBOXYLIC ACID N-HY
cycl-Isopropylidene methylmalonate

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
343.6±35.0 °C at 760 mmHg

[ Melting Point ]:
111-114 °C(lit.)

[ Molecular Formula ]:
C7H10O4

[ Molecular Weight ]:
158.152

[ Flash Point ]:
183.4±24.4 °C

[ Exact Mass ]:
158.057907

[ PSA ]:
52.60000

[ LogP ]:
-0.90

[ Vapour Pressure ]:
0.0±0.8 mmHg at 25°C

[ Index of Refraction ]:
1.427

[ Storage condition ]:
2-8°C

MSDS

Click to get detail MSDS

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xi

[ Safety Phrases ]:
S23-S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Methylmalonic acid
  • Acetone
  • Meldrumic acid
  • Formaldehyde
  • Methanol
  • 5-Diazo-2,2-dimethyl-1,3-dioxane-4,6-dione
  • 5-Bromo-2,2-dimethyl-1,3-dioxane-4,6-dione

DownStream

  • 2,2,5,6-Tetramethyl-4H-1,3-dioxin-4-one
  • 5-Ethyl-3-(p-tolyl)-1,2,4-oxadiazole
  • 5-[(2S,3S)-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-4-oxoazetidin-2-yl]-2,2,5-trimethyl-1,3-dioxane-4,6-dione
  • 5-[(2S,3S)-1-[tert-butyl(dimethyl)silyl]-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-4-oxoazetidin-2-yl]-2,2,5-trimethyl-1,3-dioxane-4,6-dione
  • 5-BROMO-2.2.5-TRIMETHYL-1.3-DIOXANE-4.6-DIONE
  • 2-nitropropan-1-ol
  • 4-(dimethoxymethyl)-3-methylpyran-2-one
  • Oxadiazole, 1,2,4-, 5-ethyl-3-phenyl-,

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles

Three-component synthesis of dialkyl 2-(alkylimino-methylene)3- (2,2,5-trimethyl-4,6-dioxo-1,3-dioxan-5-yl)-succinates.

Mol. Divers. 10(2) , 247-50, (2006)

The adduct produced in the reaction between alkyl isocyanides and dialkyl acetylenedicarboxylates was trapped by 2,2,5-trimethyl-1,3-dioxane-4,6-dione (methyl Meldrum's acid), to afford highly functio...

An ESR, ENDOR, and ELDOR study of tunneling rotation of a hindered methyl group in x-irradiated 2, 2, 5-trimethyl-1, 3-dioxane-4, 6-dione crystals. Geoffroy M, et al.

J. Chem. Phys. 70(9) , 4238-42, (2008)


More Articles

Related Compounds

  • 5-Bromo-2,2,5-trimethyl-1,3-dioxane-4,6-dione
  • 5-acetyl-2,2,5-trimethyl-1,3-dioxane-4,6-dione
  • 5-cinamyl-2,2,5-trimethyl-1,3-dioxane-4,6-dione
  • 5-benzhydryl-2,2,5-trimethyl-1,3-dioxane-4,6-dione
  • 5-(3,5-dimethylbenzyl)-2,2,5-trimethyl-1,3-dioxane-4,6-dione
  • 5-(3,4-dimethoxybenzyl)-2,2,5-trimethyl-1,3-dioxane-4,6-dione
  • (1R)-1-[2-(4-methanesulfonyl-1H-pyrazol-1-yl)pyridin-4-yl]ethan-1-amine
  • 1-[3-(4-methanesulfonyl-1H-pyrazol-1-yl)phenyl]propan-1-amine
  • (1R)-1-[5-fluoro-2-(4-methanesulfonyl-1H-pyrazol-1-yl)phenyl]ethan-1-amine
  • 3-(4-methanesulfonyl-1H-pyrazol-1-yl)-2,2-dimethylpropan-1-amine
  • 1-[(1,5-dimethyl-1H-pyrazol-4-yl)methyl]-3-methyl-1H-pyrazol-4-amine
  • 5-Amino-4-methyl-1-[2-(propan-2-ylsulfanyl)ethyl]-1,2-dihydropyridin-2-one
  • 1-[(butan-2-yloxy)methyl]-4-chloro-1H-pyrazol-3-amine
  • 4-methyl-1-[2-(1-methylpyrrolidin-2-yl)ethyl]-1H-pyrazol-3-amine
  • 4-chloro-1-[2-(3-methylpyrrolidin-1-yl)ethyl]-1H-pyrazol-3-amine
  • 5-(4-methyl-3,4-dihydro-2H-1,4-benzoxazin-6-yl)-1,3-oxazol-2-amine
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