1,5,5-trimethylspiro[5.5]undec-1-en-9-one

Modify Date: 2025-08-26 17:07:21

1,5,5-trimethylspiro[5.5]undec-1-en-9-one Structure
1,5,5-trimethylspiro[5.5]undec-1-en-9-one structure
 Common Name 1,5,5-trimethylspiro[5.5]undec-1-en-9-one
CAS Number 54877-79-1 Molecular Weight 206.32400
Density N/A Boiling Point N/A
Molecular Formula C14H22O Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 1,5,5-trimethylspiro[5.5]undec-1-en-9-one
Synonym More Synonyms

 Chemical & Physical Properties

Molecular Formula C14H22O
Molecular Weight 206.32400
Exact Mass 206.16700
PSA 17.07000
LogP 3.88220

 Safety Information

HS Code 2914299000

 Synthetic Route

7,11,11-trimethylspiro[5.5]undec-7-en-3-one ethylene acetal structure

7,11,11-trimeth...

CAS#:54877-77-9

~98%

1,5,5-trimethylspiro[5.5]undec-1-en-9-one Structure

1,5,5-trimethyl...

CAS#:54877-79-1

Literature: White, James D.; Ruppert, John F.; Avery, Mitchell A.; Torii, Sigeru; Nokami, Junzo Journal of the American Chemical Society, 1981 , vol. 103, # 7 p. 1813 - 1821
N/A structure

N/A

CAS#:70556-69-3

~78%

1,5,5-trimethylspiro[5.5]undec-1-en-9-one Structure

1,5,5-trimethyl...

CAS#:54877-79-1

Literature: Iwata, Chuzo; Miyashita, Kazuyuki; Koga, Yasuo; Shinoo, Yasutaka; Yamada, Minoru; Tanaka, Tetsuaki Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 7 p. 2308 - 2312
Benzenebutanoic acid,4-hydroxy-g,g-dimethyl- structure

Benzenebutanoic...

CAS#:23203-47-6

~%

1,5,5-trimethylspiro[5.5]undec-1-en-9-one Structure

1,5,5-trimethyl...

CAS#:54877-79-1

Literature: Iwata, Chuzo; Miyashita, Kazuyuki; Koga, Yasuo; Shinoo, Yasutaka; Yamada, Minoru; Tanaka, Tetsuaki Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 7 p. 2308 - 2312
1,5,5-trimethylspiro[5.5]undeca-7,10-diene-2,9-dione structure

1,5,5-trimethyl...

CAS#:70556-66-0

~%

1,5,5-trimethylspiro[5.5]undec-1-en-9-one Structure

1,5,5-trimethyl...

CAS#:54877-79-1

Literature: Iwata, Chuzo; Miyashita, Kazuyuki; Koga, Yasuo; Shinoo, Yasutaka; Yamada, Minoru; Tanaka, Tetsuaki Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 7 p. 2308 - 2312
4-(5-chloro-2-methyl-5-oxopentan-2-yl)phenyl acetate structure

4-(5-chloro-2-m...

CAS#:70556-65-9

~%

1,5,5-trimethylspiro[5.5]undec-1-en-9-one Structure

1,5,5-trimethyl...

CAS#:54877-79-1

Literature: Iwata, Chuzo; Miyashita, Kazuyuki; Koga, Yasuo; Shinoo, Yasutaka; Yamada, Minoru; Tanaka, Tetsuaki Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 7 p. 2308 - 2312
2-diazonio-6-(4-hydroxyphenyl)-6-methylhept-2-en-3-olate structure

2-diazonio-6-(4...

CAS#:70573-27-2

~%

1,5,5-trimethylspiro[5.5]undec-1-en-9-one Structure

1,5,5-trimethyl...

CAS#:54877-79-1

Literature: Iwata, Chuzo; Miyashita, Kazuyuki; Koga, Yasuo; Shinoo, Yasutaka; Yamada, Minoru; Tanaka, Tetsuaki Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 7 p. 2308 - 2312
(1S,2R)-2-hydroxy-1,5,5-trimethylspiro[5.5]undecan-9-one structure

(1S,2R)-2-hydro...

CAS#:70556-68-2

~%

1,5,5-trimethylspiro[5.5]undec-1-en-9-one Structure

1,5,5-trimethyl...

CAS#:54877-79-1

Literature: Iwata, Chuzo; Miyashita, Kazuyuki; Koga, Yasuo; Shinoo, Yasutaka; Yamada, Minoru; Tanaka, Tetsuaki Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 7 p. 2308 - 2312
cis-2,2,6-trimethyl-9,9-ethylenedioxyspiro[5.5]undecan-5-ol structure

cis-2,2,6-trime...

CAS#:54877-76-8

~%

1,5,5-trimethylspiro[5.5]undec-1-en-9-one Structure

1,5,5-trimethyl...

CAS#:54877-79-1

Literature: White, James D.; Ruppert, John F.; Avery, Mitchell A.; Torii, Sigeru; Nokami, Junzo Journal of the American Chemical Society, 1981 , vol. 103, # 7 p. 1813 - 1821
(1S,2R)-2-hydroxy-1,5,5-trimethylspiro[5.5]undeca-7,10-dien-9-one structure

(1S,2R)-2-hydro...

CAS#:70556-67-1

~%

1,5,5-trimethylspiro[5.5]undec-1-en-9-one Structure

1,5,5-trimethyl...

CAS#:54877-79-1

Literature: Iwata, Chuzo; Miyashita, Kazuyuki; Koga, Yasuo; Shinoo, Yasutaka; Yamada, Minoru; Tanaka, Tetsuaki Chemical and Pharmaceutical Bulletin, 1983 , vol. 31, # 7 p. 2308 - 2312

 Customs

HS Code 2914299000
Summary 2914299000. other cyclanic, cyclenic or cyclotherpenic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

 Synonyms

2,2,6-trimethylspiro[5.5]undec-5-en-9-one
Spiro[5.5]undec-7-en-3-one,7,11,11-trimethyl
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Chemsrc provides CAS#:54877-79-1 MSDS, density, melting point, boiling point, structure, etc. Its name is 1,5,5-trimethylspiro[5.5]undec-1-en-9-one>> amp version: 1,5,5-trimethylspiro[5.5]undec-1-en-9-one

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