1,3,3-Trimethylindolino-β-naphthopyrylospiran

Modify Date: 2025-08-25 17:39:15

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

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

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

MSDS(Chinese)

HS Code	2934999090

1,3,3 TRIMETHYL...

CAS#:118-12-7

2-Hydroxy-napht...

CAS#:708-06-5

~63%

1,3,3-Trimethyl...

CAS#:1592-43-4

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

2-Hydroxy-napht...

CAS#:708-06-5

1,3,3-Trimethyl...

CAS#:1592-43-4

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

1-(2-(1,3,3-tri...

CAS#:68573-33-1

1,3,3-Trimethyl...

CAS#:1592-43-4

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

Precursor 3
CAS#:118-12-7 1,3,3 TRIMETHYL... CAS#:708-06-5 2-Hydroxy-napht... CAS#:68573-33-1 1-(2-(1,3,3-tri...
DownStream 2
CAS#:20200-86-6 1,3,3-Trimethyl... CAS#:84-83-3 1,3,3-Trimethyl...

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

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>

Names