4H-1-Benzothiopyran-4-one,2,3-dihydro-, 1,1-dioxide

Modify Date: 2024-01-09 21:20:29

4H-1-Benzothiopyran-4-one,2,3-dihydro-, 1,1-dioxide Structure
4H-1-Benzothiopyran-4-one,2,3-dihydro-, 1,1-dioxide structure
Common Name 4H-1-Benzothiopyran-4-one,2,3-dihydro-, 1,1-dioxide
CAS Number 19446-96-9 Molecular Weight 196.22300
Density 1.408g/cm3 Boiling Point 432.2ºC at 760mmHg
Molecular Formula C9H8O3S Melting Point 128-129.5 °C
MSDS N/A Flash Point 294.1ºC

 Names

Name 1,1-dioxo-2,3-dihydrothiochromen-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.408g/cm3
Boiling Point 432.2ºC at 760mmHg
Melting Point 128-129.5 °C
Molecular Formula C9H8O3S
Molecular Weight 196.22300
Flash Point 294.1ºC
Exact Mass 196.01900
PSA 59.59000
LogP 2.12750
Vapour Pressure 1.13E-07mmHg at 25°C
Index of Refraction 1.597

 Safety Information

HS Code 2932999099

 Synthetic Route

~%

4H-1-Benzothiopyran-4-one,2,3-dihydro-, 1,1-dioxide Structure

4H-1-Benzothiop...

CAS#:19446-96-9

Literature: Nambara Yakugaku Zasshi, 1958 , vol. 78, p. 624,626 Chem.Abstr., 1958 , p. 18392

~93%

4H-1-Benzothiopyran-4-one,2,3-dihydro-, 1,1-dioxide Structure

4H-1-Benzothiop...

CAS#:19446-96-9

Literature: Patonay; Adam; Levai; Koever; Nemeth; Peters Journal of Organic Chemistry, 2001 , vol. 66, # 7 p. 2275 - 2280

 Customs

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%

 Synonyms

Thiochroman-4-one,1-dioxide
3,4-dihydro-2H-1-benzothiopyran-4-one 1,1-dioxide
thiochroman-4-one 1,1-dioxide
2,3-Dihydro-4H-thiochromen-4-one 1,1-dioxide
4H-1-Benzothiopyran-4-one,2,3-dihydro-,1,1-dioxide
1-thiochroman-4-one 1,1-dioxide
Thiochromanone 1,1-dioxide
2,3-dihydro-4(H)-1-benzothiopyran-4-one 1,1-dioxide
1,1-Dioxo-1lambda*6*-thiochroman-4-one
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