CAS 1592-43-4|1,3,3-Trimethylindolino-β-naphthopyrylospiran

Introduction：Basic information about CAS 1592-43-4|1,3,3-Trimethylindolino-β-naphthopyrylospiran, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

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	/	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
InChIKey	DTQKEQFXLWFVCS-UHFFFAOYSA-N
SMILES	CN1c2ccccc2C(C)(C)C12C=Cc1c(ccc3ccccc13)O2

Safety Information

HS Code	2934999090

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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