Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Phosphine oxide, tri-2-thienyl-
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Purity: 98.0%
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1021-21-2

1021-21-2 structure

Name: Phosphine oxide, tri-2-thienyl-
Chemical Name: 2-dithiophen-2-ylphosphorylthiophene
CAS Number: 1021-21-2
Molecular Formula: C₁₂H₉OPS₃
Molecular Weight: 296.36800
Create Date: 2017-12-07 02:43:39
Modify Date: 2025-10-16 11:38:29

Name	2-dithiophen-2-ylphosphorylthiophene
Synonyms	Tri-2-thienyl-phosphinoxyd Phosphine oxide,tri-2-thienyl

Density	1.43g/cm3
Boiling Point	495.2ºC at 760mmHg
Molecular Formula	C₁₂H₉OPS₃
Molecular Weight	296.36800
Flash Point	253.3ºC
Exact Mass	295.95500
PSA	111.60000
LogP	3.51050
Vapour Pressure	1.83E-09mmHg at 25°C
Index of Refraction	1.671

HS Code	2934999090

24171-89-9

1021-21-2

Literature: Gol'dfarb, Ya. L.; Dudinov, A. A.; Litvinov, V. P.; Yurit, D. S.; Struchkov, Yu. T. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 10 p. 1021 - 1026 Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 10 p. 1326 - 1332

814-49-3

1021-21-2

Literature: Burger; Dawson Journal of Organic Chemistry, 1951 , vol. 16, p. 1250,1252

Precursor 2
24171-89-9 814-49-3
DownStream 2
188290-36-0 366-18-7

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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