Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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DC Chemicals Limited
China
Product Name: Dunnione
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Purity: 98.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,3-dihydro-2,3,3-trimethylnaphtho[1,2-b]furan-4,5-dione
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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33404-57-8

33404-57-8 structure

33404-57-8 structure

Name: Dunnione
Chemical Name: 2,3,3-trimethyl-2H-benzo[g][1]benzofuran-4,5-dione
CAS Number: 33404-57-8
Molecular Formula: C₁₅H₁₄O₃
Molecular Weight: 242.27000
Catalog: Research Areas Others
Create Date: 2016-06-10 22:26:48
Modify Date: 2025-08-27 11:32:19
Dunnione (CompoundⅠ) is a pigment. Dunnione can be isolated from the leaves of Didymocarpus pedicellata[1].

Name	2,3,3-trimethyl-2H-benzo[g][1]benzofuran-4,5-dione

Description	Dunnione (CompoundⅠ) is a pigment. Dunnione can be isolated from the leaves of Didymocarpus pedicellata[1].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
References	[1]. PRICE, J. R, et al. A New Natural Colouring Matter of the Naphthalene Group. Nature, (1938) 142(3586), 147–148.

Density	1.24g/cm3
Boiling Point	370.9ºC at 760mmHg
Molecular Formula	C₁₅H₁₄O₃
Molecular Weight	242.27000
Flash Point	164.5ºC
Exact Mass	242.09400
PSA	43.37000
LogP	2.60800
Index of Refraction	1.592

HS Code	2932999099

Precursor 0
DownStream 2
75-07-0 88-99-3

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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