2,2,6,6-Tetramethyltetrahydro-4H-pyran-4-one

Modify Date: 2025-08-25 10:58:21

2,2,6,6-Tetramethyltetrahydro-4H-pyran-4-one Structure
2,2,6,6-Tetramethyltetrahydro-4H-pyran-4-one structure
 Common Name 2,2,6,6-Tetramethyltetrahydro-4H-pyran-4-one
CAS Number 1197-66-6 Molecular Weight 156.222
Density 0.9±0.1 g/cm3 Boiling Point 198.1±15.0 °C at 760 mmHg
Molecular Formula C9H16O2 Melting Point N/A
MSDS N/A Flash Point 63.7±13.9 °C

 Names

Name 2,2,6,6-tetramethyloxan-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.9±0.1 g/cm3
Boiling Point 198.1±15.0 °C at 760 mmHg
Molecular Formula C9H16O2
Molecular Weight 156.222
Flash Point 63.7±13.9 °C
Exact Mass 156.115036
PSA 26.30000
LogP 1.28
Vapour Pressure 0.4±0.4 mmHg at 25°C
Index of Refraction 1.422
InChIKey NOGFHTGYPKWWRX-UHFFFAOYSA-N
SMILES CC1(C)CC(=O)CC(C)(C)O1

 Safety Information

HS Code 2932999099

 Synthetic Route

Phorone structure

Phorone

CAS#:504-20-1

~51%

2,2,6,6-Tetramethyltetrahydro-4H-pyran-4-one Structure

2,2,6,6-Tetrame...

CAS#:1197-66-6

Literature: WO2010/63773 A1, ; Page/Page column 23-24 ; WO 2010/063773 A1
(S)-2-(methoxymethyl)-N-(2,2,6,6-tetramethyldihydro-2H-pyran-4(3H)-ylidene)pyrrolidin-1-amine structure

(S)-2-(methoxym...

CAS#:389091-69-4

~95%

2,2,6,6-Tetramethyltetrahydro-4H-pyran-4-one Structure

2,2,6,6-Tetrame...

CAS#:1197-66-6

Literature: Synlett, , # 19 p. 3131 - 3134
2,6-dihydroxy-2,6-dimethylheptan-4-one structure

2,6-dihydroxy-2...

CAS#:3682-91-5

~%

2,2,6,6-Tetramethyltetrahydro-4H-pyran-4-one Structure

2,2,6,6-Tetrame...

CAS#:1197-66-6

Phorone structure

Phorone

CAS#:504-20-1

Literature: Journal of the Chemical Society, , p. 338

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

2,2,6,6-Tetramethyltetrahydro-4H-pyran-4-one
2,2,6,6-Tetramethyl-2H-3,5,6-trihydropyran-4-one
QC-3644
Tetrahydro-2,2,6,6-tetramethylpyran-4-one
4H-Pyran-4-one, tetrahydro-2,2,6,6-tetramethyl-
2,2,6,6-tetramethyltetrahydro-4 H-pyran-4-one
2,2,6,6-Tetramethyl-tetrahydro-pyran-4-on
2,2,6,6-tetramethyltetrahydropyran-4-one
RW4043
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Chemsrc provides CAS#:1197-66-6 MSDS, density, melting point, boiling point, structure, etc. Its name is 2,2,6,6-Tetramethyltetrahydro-4H-pyran-4-one>> amp version: 2,2,6,6-Tetramethyltetrahydro-4H-pyran-4-one

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