28218-71-5

28218-71-5 structure

Name: 4,4-dimethoxyoxane
Chemical Name: 4,4-dimethoxyoxane
CAS Number: 28218-71-5
Molecular Formula: C₇H₁₄O₃
Molecular Weight: 146.18400
Create Date: 2018-12-31 12:43:06
Modify Date: 2025-08-25 15:20:50

Name	4,4-dimethoxyoxane
Synonyms	2H-Pyran,tetrahydro-4,4-dimethoxy tetrahydropyran-4-one dimethyl acetal 4,4-dimethoxytetrahydro-2H-pyran 4,4-dimethoxy-tetrahydro-pyran 4,4-dimethoxy-tetrahydro-4H-pyran

Density	1.042 g/mL at 20ºC(lit.)
Boiling Point	172ºC at 760 mmHg
Molecular Formula	C₇H₁₄O₃
Molecular Weight	146.18400
Flash Point	53.9ºC
Exact Mass	146.09400
PSA	27.69000
LogP	0.78590
Vapour Pressure	1.81mmHg at 25°C
Index of Refraction	1.431

WGK Germany	3
HS Code	2932999099

29943-42-8

149-73-5

28218-71-5

Literature: NOVARTIS AG; ANTONIOS-MCCREA, William, R.; BARSANTI, Paul, A.; HU, Cheng; JIN, Xianming; MARTIN, Eric, J.; PAN, Yue; PFISTER, Keith, B.; SENDZIK, Martin; SUTTON, James; WAN, Lifeng Patent: WO2012/66070 A1, 2012 ; Location in patent: Page/Page column 91-92 ; WO 2012/066070 A1

84302-42-1

149-73-5

28218-71-5

Literature: NOVARTIS AG; PFISTER, Keith B; SENDZIK, Martin Patent: WO2011/26917 A1, 2011 ; Location in patent: Page/Page column 66 ; WO 2011/026917 A1

29943-42-8

67-56-1

~97%

28218-71-5

Literature: Clerici, Angelo; Pastori, Nadia; Porta, Ombretta Tetrahedron, 2001 , vol. 57, # 1 p. 217 - 225

29943-42-8

77-76-9

~78%

28218-71-5

Literature: Bird; Olivier Bioorganic and Medicinal Chemistry Letters, 1996 , vol. 6, # 5 p. 515 - 520

29943-42-8

~85%

28218-71-5

Literature: ABBOTT LABORATORIES; ABBOTT LABORATORIES TRADING (SHANGHAI) COMPANY, LTD.; WANG, Xueqing; MEYER, Michael; YAO, Betty; GUO, Tao; WEI, Guo Ping,Robert; WANG, Lijuan, Jane Patent: WO2013/10453 A1, 2013 ; Location in patent: Page/Page column 153 ;

Precursor 5
29943-42-8 149-73-5 84302-42-1 67-56-1
77-76-9
DownStream 4
624734-19-6 155650-56-9 175982-78-2 17327-22-9

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%

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