Chemical Property of Spiro[2H-1-benzopyran-2,2'-[2H]indole], 1',3'-dihydro-1',3',3'-trimethyl-6-nitro-
Chemical Property:
- Melting Point:32°C
- Refractive Index:1.6140 (estimate)
- Boiling Point:476.3°Cat760mmHg
- PKA:2.41±0.40(Predicted)
- Flash Point:241.9°C
- PSA：58.29000
- Density:1.31g/cm3
- LogP:4.71250
- Storage Temp.:Keep in dark place,Sealed in dry,Room Temperature
- XLogP3:4.8
- Hydrogen Bond Donor Count:0
- Hydrogen Bond Acceptor Count:4
- Rotatable Bond Count:0
- Exact Mass:322.13174244
- Heavy Atom Count:24
- Complexity:555
- Purity/Quality:
-
98%, *data from raw suppliers
1'',3'',3''-Trimethyl-6-nitrospiro[chromene-2,2''-indoline] *data from reagent suppliers
Safty Information:
- Pictogram(s):
- Hazard Codes:Xi
- Statements:
36/37/38
- Safety Statements:
26-37/39
- MSDS Files:
-
SDS file from LookChem
Useful:
- Canonical SMILES:CC1(C2=CC=CC=C2N(C13C=CC4=C(O3)C=CC(=C4)[N+](=O)[O-])C)C
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General Description
Based on the provided literature abstracts, **1,3,3-trimethylindolino-6'-nitrobenzopyrylospiran** is a photochromic spiropyran compound that exhibits reversible isomerization between a colorless spirocyclic form and a colored merocyanine form under light or thermal stimulation. It serves as a sensitive probe for hydrogen bonding interactions due to its decoloration kinetics, which correlate with the hydrogen-bonding character of the surrounding medium. Additionally, it functions as a reusable chemosensor for aromatic thiols, undergoing selective isomerization in the dark and reversible reversion under visible light. 1,3,3-TRIMETHYLINDOLINO-6'-NITROBENZOPYRYLOSPIRAN also demonstrates thermal enantiomerization and equilibration with its merocyanine form, with distinct energy barriers for these processes. Its photochromic properties have been exploited in applications such as tuning quantum cascade lasers via UV-induced absorbance changes.
