1,1-dioxo-2-prop-2-ynyl-4H-1λ6,2-benzothiazin-3-one

Names

[ CAS No. ]:
31848-19-8

[ Name ]:
1,1-dioxo-2-prop-2-ynyl-4H-1λ6,2-benzothiazin-3-one

[Synonym ]:
1,1-dioxo-2-prop-2-ynyl-4H-1

Chemical & Physical Properties

[ Density]:
1.398g/cm3

[ Boiling Point ]:
403.9ºC at 760mmHg

[ Molecular Formula ]:
C₁₁H₉NO₃S

[ Molecular Weight ]:
235.25900

[ Flash Point ]:
198.1ºC

[ Exact Mass ]:
235.03000

[ PSA ]:
62.83000

[ LogP ]:
1.41190

[ Index of Refraction ]:
1.611

Safety Information

[ HS Code ]:
2914399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

3-Chloropropyne
2H-1,2-Benzothiazin-3(4H)-one 1,1-dioxide

DownStream

Customs

[ HS Code ]: 2914399090

[ Summary ]:
2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%