1,3,3-Trimethylindolino-β-naphthopyrylospiran

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Names

[ CAS No. ]:
1592-43-4

[ 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

  • 1,3,3 TRIMETHYL-2-METHYLENE INDOLINE
  • 2-Hydroxy-naphthaldehyde
  • 1-(2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)naphthalen-2(1H)-one

DownStream

  • 1,3,3-Trimethyl-2,3-dihydro-1H-indole-2-one
  • 1,3,3-Trimethyl-2-(formylmethylene)indoline

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%

Related Compounds

  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 3-((1H-pyrrol-1-yl)(thiophen-2-yl)methyl)-5-(azetidin-3-yl)-1,2,4-oxadiazole
  • 2-(1-cyclopentyl-3-(trifluoromethyl)-1H-pyrazol-5-yl)ethan-1-amine
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • N-((4,6-bis(dimethylamino)-1,3,5-triazin-2-yl)methyl)-5-chlorothiophene-2-sulfonamide
  • N-((4-(dimethylamino)-6-(piperidin-1-yl)-1,3,5-triazin-2-yl)methyl)-9H-xanthene-9-carboxamide
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide