1,3,3-Trimethylindolino-β-naphthopyrylospiran

Modify Date: 2024-01-09 16:46:30

1,3,3-Trimethylindolino-β-naphthopyrylospiran Structure
1,3,3-Trimethylindolino-β-naphthopyrylospiran structure
Common Name 1,3,3-Trimethylindolino-β-naphthopyrylospiran
CAS Number 1592-43-4 Molecular Weight 327.41900
Density 1.22g/cm3 Boiling Point 492.7ºC at 760 mmHg
Molecular Formula C23H21NO Melting Point 174ºC
MSDS N/A Flash Point 142.8ºC

 Names

Name 1',3',3'-trimethylspiro[benzo[f]chromene-3,2'-indole]
Synonym More Synonyms

 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

 Safety Information

HS Code 2934999090

 Synthetic Route

~63%

1,3,3-Trimethylindolino-β-naphthopyrylospiran Structure

1,3,3-Trimethyl...

CAS#:1592-43-4

Literature: Connors; Jozwiakowski Journal of Pharmaceutical Sciences, 1987 , vol. 76, # 12 p. 892 - 897

~%

1,3,3-Trimethylindolino-β-naphthopyrylospiran Structure

1,3,3-Trimethyl...

CAS#:1592-43-4

Literature: Cahiers Phys., , # 52 p. 3,43, 45

~%

1,3,3-Trimethylindolino-β-naphthopyrylospiran Structure

1,3,3-Trimethyl...

CAS#:1592-43-4

Literature: Russian Chemical Bulletin, , vol. 60, # 3 p. 456 - 464

 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%

 Synonyms

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>
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