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: 1,3-Isobenzofurandione,3a,7a-dihydro-4,5,6,7-tetraphenyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

6971-41-1

6971-41-1 structure

6971-41-1 structure

Name: 1,3-Isobenzofurandione,3a,7a-dihydro-4,5,6,7-tetraphenyl-
Chemical Name: 4,5,6,7-tetraphenyl-3a,7a-dihydro-2-benzofuran-1,3-dione
CAS Number: 6971-41-1
Molecular Formula: C₃₂H₂₂O₃
Molecular Weight: 454.51500
Create Date: 2017-11-23 18:06:19
Modify Date: 2025-08-25 21:30:21

Name	4,5,6,7-tetraphenyl-3a,7a-dihydro-2-benzofuran-1,3-dione
Synonyms	Tetraphenyl-3,5-cyclohexadien-1,2-dicarbonsaeureanhydrid 1,2-Dihydro-3,4,5,6-tetraphenylphthalic anhydride 3,4,5,6-tetraphenyl-cyclohexa-3,5-diene-1,2-dicarboxylic acid anhydride 3,4,5,6-Tetraphenyl-1,2-dihydro-phthalsaeure-anhydrid 3,4,5,6-tetraphenyl-1,2-dihydrophthalic anhydride Tetraphenyldihydrophthalsaeureanhydrid 3,4,5,6-tetraphenyl-1,2-dihydro-o-phthalic anhydride

Density	1.262g/cm3
Boiling Point	689.6ºC at 760 mmHg
Molecular Formula	C₃₂H₂₂O₃
Molecular Weight	454.51500
Flash Point	350ºC
Exact Mass	454.15700
PSA	43.37000
LogP	6.53780
Index of Refraction	1.665

108-31-6 structure

108-31-6

479-33-4 structure

479-33-4

~96%

6971-41-1 structure

6971-41-1

Literature: Matsubara, Hiroshi; Yasuda, Shinji; Sugiyama, Hiroyuki; Ryu, Ilhyong; Fujii, Yasuyuki; Kita, Katsumi Tetrahedron, 2002 , vol. 58, # 20 p. 4071 - 4076

Precursor 2
108-31-6 479-33-4
DownStream 4
912-61-8 1487-12-3 79421-23-1 92897-99-9

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