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

Click to get detail MSDS

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

  • N-(1-cyano-1,2-dimethylpropyl)-2-(naphthalen-1-yloxy)acetamide
  • N-(1-cyano-1-methylethyl)-2-[(2,6-difluorophenyl)(methyl)amino]-N-methylacetamide
  • N-[1-(2-Methoxyethyl)piperidin-4-YL]thiophene-2-carboxamide
  • 2,3-dihydro-1H-inden-5-yl 4-methylbenzene-1-sulfonate
  • N,N-Diethyl-2-hydroxybenzenepropanamide
  • 2-[5-(furan-2-yl)-3-(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl]-2-oxoethyl 2-chloropyridine-3-carboxylate
  • 1-(1,3,6-Triazonan-6-yl)ethanone
  • N-(1-Cyanocyclohexyl)-2-[[5-(2,3-dihydro-1,4-benzodioxin-3-yl)-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanyl]acetamide
  • N-(3-acetamidophenyl)-3-(4-chlorophenyl)-5-methyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-pyrrolo[3,2-d]pyrimidine-7-carboxamide
  • [(1-Cyano-1-cyclopropylethyl)carbamoyl]methyl 4-chloro-2-hydroxybenzoate
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