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

6328-17-2

6328-17-2 structure

Name: 1H-2-Benzopyran-1,3,4-trione
Chemical Name: isochromene-1,3,4-trione
CAS Number: 6328-17-2
Molecular Formula: C₉H₄O₄
Molecular Weight: 176.12600
Create Date: 2018-12-01 16:07:40
Modify Date: 2025-08-25 19:56:28

Name	isochromene-1,3,4-trione
Synonyms	phthalonic anhydride isochroman-1,3,4-trione Isochroman-1,3,4-trion 1H-2-Benzopyran-1,3,4-trione Phthalonsaeure-anhydrid

Density	1.507g/cm3
Boiling Point	338.3ºC at 760 mmHg
Molecular Formula	C₉H₄O₄
Molecular Weight	176.12600
Flash Point	153.9ºC
Exact Mass	176.01100
PSA	60.44000
LogP	0.56630
Index of Refraction	1.608

HS Code	2932999099

114915-50-3

~10%

6328-17-2

Literature: Schank, Kurt; Beck, Horst; Pistorius, Susanne Helvetica Chimica Acta, 2004 , vol. 87, # 8 p. 2025 - 2049

39560-91-3

~93%

79-20-9

6328-17-2

Literature: Schank, Kurt; Beck, Horst; Pistorius, Susanne Helvetica Chimica Acta, 2004 , vol. 87, # 8 p. 2025 - 2049

528-46-1

6328-17-2

Literature: Tscherniac Journal of the Chemical Society, 1916 , vol. 109, p. 1238 Full Text Show Details Cornillot Annales de Chimie (Cachan, France), 1927 , vol. <10> 8, p. 121,131

114915-50-3

~80%

938-24-9

6328-17-2

Literature: Schank, Kurt; Beck, Horst; Pistorius, Susanne Helvetica Chimica Acta, 2004 , vol. 87, # 8 p. 2025 - 2049

39560-91-3

~95%

938-24-9

6328-17-2

Literature: Schank, Kurt; Beck, Horst; Pistorius, Susanne Helvetica Chimica Acta, 2004 , vol. 87, # 8 p. 2025 - 2049

528-46-1

75-36-5

6328-17-2

Literature: Cornillot Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1924 , vol. 178, p. 491 Annales de Chimie (Cachan, France), 1927 , vol. <10> 8, p. 126 Full Text Show Details Kuroda; Perkin Journal of the Chemical Society, 1923 , vol. 123, p. 2105

528-46-1

108-24-7

6328-17-2

Literature: Tscherniac Journal of the Chemical Society, 1916 , vol. 109, p. 1238

7719-09-7

528-46-1

6328-17-2

Literature: Cornillot Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1925 , vol. 181, p. 1072 Anm. 1 Annales de Chimie (Cachan, France), 1927 , vol. <10> 8, p. 157

Precursor 6
114915-50-3 39560-91-3 528-46-1 75-36-5
108-24-7 7719-09-7
DownStream 2
67213-84-7 3839-29-0

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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