Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2H-1-Benzopyran-2-one,3,4,4a,5,6,7-hexahydro-4a,7,7-trimethyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

91764-03-3

91764-03-3 structure

91764-03-3 structure

Name: 2H-1-Benzopyran-2-one,3,4,4a,5,6,7-hexahydro-4a,7,7-trimethyl-
Chemical Name: 4a,7,7-trimethyl-3,4,5,6-tetrahydrochromen-2-one
CAS Number: 91764-03-3
Molecular Formula: C₁₂H₁₈O₂
Molecular Weight: 194.27000
Create Date: 2016-04-11 08:23:47
Modify Date: 2025-10-06 15:34:53

Names
Properties

Name	4a,7,7-trimethyl-3,4,5,6-tetrahydrochromen-2-one
Synonyms	4a,7,7-trimethyl-3,4,4a,5,6,7-hexahydro-chromen-2-one 2,5,5-Trimethyl-2-carboxyethyl-cyclohexanon-(1)-enol-lacton 4A,7,7-trimethyl-4a,5,6,7-tetrahydro-chroman-2-on 4a,7,7-trimethyl-3,4,4a,5,6,7-hexahydro-2h-chromen-2-one 4A,7,7-trimethyl-4a,5,6,7-tetrahydro-chroman-2-one

Density	1.04g/cm3
Boiling Point	293.9ºC at 760mmHg
Molecular Formula	C₁₂H₁₈O₂
Molecular Weight	194.27000
Flash Point	119.2ºC
Exact Mass	194.13100
PSA	26.30000
LogP	3.03360
Index of Refraction	1.501

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