Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Purity: 98.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3(2H)-Benzofuranone,4,6,7-trimethoxy-2-[(4-methoxyphenyl)methylene]-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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5460-76-4

5460-76-4 structure

5460-76-4 structure

Name: 3(2H)-Benzofuranone,4,6,7-trimethoxy-2-[(4-methoxyphenyl)methylene]-
Chemical Name: 4,6,7-trimethoxy-2-[(4-methoxyphenyl)methylidene]-1-benzofuran-3-one
CAS Number: 5460-76-4
Molecular Formula: C₁₉H₁₈O₆
Molecular Weight: 342.34300
Create Date: 2016-10-15 23:58:10
Modify Date: 2025-08-24 20:52:46

Name	4,6,7-trimethoxy-2-[(4-methoxyphenyl)methylidene]-1-benzofuran-3-one
Synonyms	4'.4.6.7-Tetramethoxy-auron 4,6,7-trihydroxy-naphthalene-2-sulfonic acid 4,6,7,4'-Tetramethoxy-auron 4,6,7-Trimethoxy-3-oxo-2-<4-methoxy-benzyliden>-2,3-dihydro-benzofuran 4,6,7-Trihydroxy-naphthalin-2-sulfonsaeure 2-Naphthalenesulfonic acid,4,6,7-trihydroxy

Density	1.268g/cm3
Boiling Point	545.6ºC at 760mmHg
Molecular Formula	C₁₉H₁₈O₆
Molecular Weight	342.34300
Flash Point	241.4ºC
Exact Mass	342.11000
PSA	63.22000
LogP	3.33720
Index of Refraction	1.668

HS Code	2932999099

91143-86-1 structure

91143-86-1

123-11-5 structure

123-11-5

~%

5460-76-4 structure

5460-76-4

Literature: Shriner et al. Journal of the American Chemical Society, 1939 , vol. 61, p. 2322,2326

Precursor 2
91143-86-1 123-11-5
DownStream 0

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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