1,3,3-Trimethylindolino-β-naphthopyrylospiran

Names

[ Name ]:
1,3,3-Trimethylindolino-β-naphthopyrylospiran

[Synonym ]:
HMS641C21
spiro<1,3,3-trimethyl-indoline-naphthopyrane>
1,3,3-Trimethylindolino-β-naphthopyrylospiran [Photochromic Compound]
1,3-dihydro-1,3,3-trimethylspiro<2H-indole-2,2'-<3H>-naphth<2,1-b>pyran>
1,3-Dihydro-1,3,3-trimethylspiro<2H-indole-2,2'<3H>naphth<1,2b>pyran>

Chemical & Physical Properties

[ Density]:
1.22g/cm3

[ Boiling Point ]:
492.7ºC at 760 mmHg

[ Melting Point ]:
174ºC

[ Molecular Formula ]:
C₂₃H₂₁NO

[ Molecular Weight ]:
327.41900

[ Flash Point ]:
142.8ºC

[ Exact Mass ]:
327.16200

[ PSA ]:
12.47000

[ LogP ]:
5.43430

[ Vapour Pressure ]:
7.49E-10mmHg at 25°C

[ Index of Refraction ]:
1.699

MSDS

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Safety Information

[ HS Code ]:
2934999090

Synthetic Route

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Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2934999090

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