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: 3,3',5,5'-Tetramethyldiphenoquinone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

4906-22-3

4906-22-3 structure

4906-22-3 structure

Name: 4-(3,5-dimethyl-4-oxocyclohexa-2,5-dien-1-ylidene)-2,6-dimethylcyclohexa-2,5-dien-1-one
Chemical Name: 4-(3,5-dimethyl-4-oxocyclohexa-2,5-dien-1-ylidene)-2,6-dimethylcyclohexa-2,5-dien-1-one
CAS Number: 4906-22-3
Molecular Formula: C₁₆H₁₆O₂
Molecular Weight: 240.29700
Create Date: 2018-11-24 16:50:17
Modify Date: 2026-07-04 15:55:48

Name	4-(3,5-dimethyl-4-oxocyclohexa-2,5-dien-1-ylidene)-2,6-dimethylcyclohexa-2,5-dien-1-one
Synonyms	3,3',5,5'-tetraMethyl-[1,1'-bi(cyclohexylidene)]-2,2',5,5'-tetraene-4,4'-dione 2,5-Cyclohexadien-1-one, 4-(3,5-dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethyl 3,3',5,5'-TETRAMETHYL-4,4'-DIPHENOQUINONE 3,3',5,5'-Tetramethyldiphenoquinone 3,5,3',5'-TetraMethyl-bicyclohexylidene-2,5,2',5'-tetraene-4,4'-dione 3,3',5,5'-tetramethyl-1,1'-bi(cyclohexa-2,5-dien-1-ylidene)-4,4'-dione 3,3',5,5'-Tetramethyl-4,4'-diphenoquinone 4-(3,5-Dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethyl-5-cyclohexadien-1-one 3,3',5,5'-tetramethyl-1,4-diphenoquinone 2,2',6,6'-Tetramethyl-Δ4,4'-bicyclohexane-2,2',5,5'-tetrene-1,1'-dione 4-(3,5-Dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethyl-2,5-cyclohexadien-1-one 4-(3,5-dimethyl-4-oxo-cyclohexa-2,5-dien-1-ylidene)-2,6-dimethyl-cyclohexa-2,5-dien-1-one Δ4,4'-Bi[2,6-dimethyl-2,5-cyclohexadiene-1-one] (Bi-2,5-cyclohexadien-1-ylidene)-4,4'-dione,3,3',5,5'-tetramethyl 4-(3,5-dimethyl-4-oxo-2,5-cyclohexadienylidene)-2,6-dimethyl-2,5-cyclohexadienone 2,2',6,6'-Tetramethyl-Δ4,4'-bi[2,5-cyclohexadiene]-1,1'-dione (29-2) 3,3',5,5'-tetramethyldiphenoquinone 2,6,2',6'-tetramethyldiphenoquinone Δ4,4'-Bi(2,6-dimethyl-2,5-cyclohexadiene-1-one) 2,5-Cyclohexadien-1-one,4-(3,5-dimethyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethyl 3,5,3',5'-tetramethyl-4,4'-diphenoquinone tetramethyl-4,4'-biphenylquinone 4-(4-keto-3,5-dimethyl-cyclohexa-2,5-dien-1-ylidene)-2,6-dimethyl-cyclohexa-2,5-dien-1-one Tetramethyldiphenoquinone

Density	1.123g/cm3
Boiling Point	375.1ºC at 760 mmHg
Melting Point	205-207ºC
Molecular Formula	C₁₆H₁₆O₂
Molecular Weight	240.29700
Flash Point	140.7ºC
Exact Mass	240.11500
PSA	34.14000
LogP	3.23360
Index of Refraction	1.572

HS Code	2914299000

Precursor 10
2417-04-1 24560-29-0 576-26-1 128-39-2
1004-66-6 1199-95-7 104475-18-5 527-60-6
654-42-2 7422-28-8
DownStream 2
527-61-7 2417-04-1

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%

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