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Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: p-Dithiino[2,3-d:5,6-d']dipyridazine-1,6(2H,7H)-dione, 2,7-diphenyl- (7CI,8CI)
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5557-49-3

5557-49-3 structure

5557-49-3 structure

Name: p-Dithiino[2,3-d:5,6-d']dipyridazine-1,6(2H,7H)-dione, 2,7-diphenyl- (7CI,8CI)
Chemical Name: 2,7-diphenyl[1,4]dithiino[2,3-d:5,6-d']dipyridazine-1,6(2h,7h)-dione
CAS Number: 5557-49-3
Molecular Formula: C₂₀H₁₂N₄O₂S₂
Molecular Weight: 404.46500
Create Date: 2017-01-06 03:37:49
Modify Date: 2025-09-12 16:43:19

Name	2,7-diphenyl[1,4]dithiino[2,3-d:5,6-d']dipyridazine-1,6(2h,7h)-dione
Synonyms	2,7-Diphenyl-dipyridazo<4.5-b,4.5-e>-1,4-dithiin-1,6-dion 2,7-diphenyl-2H,7H-[1,4]dithiino[2,3-d,5,6-d']dipyridazine-1,6-dione 2.7-Diphenyl-1.6-dioxo-1.2.6.7-tetrahydro-dipyridazo<4,5-b,4,5-e>-1.4-dithiin 3.8-Diphenyl-4.9-dioxo-5.10-dithia-3.4.8.9-tetrahydro-pyridazino<4,5-g>phthalazin

Density	1.51g/cm3
Boiling Point	528.1ºC at 760mmHg
Molecular Formula	C₂₀H₁₂N₄O₂S₂
Molecular Weight	404.46500
Flash Point	273.2ºC
Exact Mass	404.04000
PSA	126.26000
LogP	3.77000
Index of Refraction	1.639

HS Code	2934999090

1698-53-9 structure

1698-53-9

~%

5557-49-3 structure

5557-49-3

Literature: Castle,R.N. et al. Journal of Heterocyclic Chemistry, 1966 , vol. 3, p. 541 - 543

Precursor 1
1698-53-9
DownStream 0

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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