Spiro[2H-1-benzopyran-2,2'-[2H]indole], 1',3'-dihydro-1',3',3'-trimethyl-6-nitro-

Base Information Edit

Chemical Name:Spiro[2H-1-benzopyran-2,2'-[2H]indole], 1',3'-dihydro-1',3',3'-trimethyl-6-nitro-
CAS No.:1498-88-0
Deprecated CAS:81558-16-9
Molecular Formula:C19H18 N2 O3
Molecular Weight:322.364
Hs Code.:29349990
European Community (EC) Number:216-102-5
NSC Number:206176
DSSTox Substance ID:DTXSID70871845
Nikkaji Number:J52.339I
Mol file:1498-88-0.mol

Synonyms:1',3',3'-trimethyl-6-nitroindolene-2-spiro-2-benzopyran;1,3,3-trimetylindolino-6-nitro benzopyrylospiran;6-NO2-BIPS;TMINBPS;TNSB

Suppliers and Price of Spiro[2H-1-benzopyran-2,2'-[2H]indole], 1',3'-dihydro-1',3',3'-trimethyl-6-nitro-

Supply Marketing:Edit

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

TRC
1'',3'',3''-Trimethyl-6-nitrospiro[chromene-2,2''-indoline]
10mg
$ 45.00

TCI Chemical
1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran [Photochromic Compound] >98.0%(HPLC)(T)
1g
$ 71.00

TCI Chemical
1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran [Photochromic Compound] >98.0%(HPLC)(T)
25g
$ 172.00

Sigma-Aldrich
1′,3′-Dihydro-1′,3′,3′-trimethyl-6-nitrospiro[2H-1-benzopyran-2,2′-(2H)-indole] 98%
1g
$ 122.00

Crysdot
1',3',3'-Trimethyl-6-nitrospiro[chromene-2,2'-indoline] 97%
25g
$ 684.00

Crysdot
1',3',3'-Trimethyl-6-nitrospiro[chromene-2,2'-indoline] 97%
10g
$ 285.00

Chemenu
1'',3'',3''-Trimethyl-6-nitrospiro[chromene-2,2''-indoline] 97%
5g
$ 171.00

Chemenu
1'',3'',3''-Trimethyl-6-nitrospiro[chromene-2,2''-indoline] 97%
10g
$ 269.00

Chemenu
1'',3'',3''-Trimethyl-6-nitrospiro[chromene-2,2''-indoline] 97%
25g
$ 554.00

American Custom Chemicals Corporation
1,3,3-TRIMETHYLINDOLINO-6-NITROBENZOPYRYLOSPIRAN 95.00%
1G
$ 650.16

Total 27 raw suppliers

Chemical Property of Spiro[2H-1-benzopyran-2,2'-[2H]indole], 1',3'-dihydro-1',3',3'-trimethyl-6-nitro- Edit

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
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.

Technology Process of Spiro[2H-1-benzopyran-2,2'-[2H]indole], 1',3'-dihydro-1',3',3'-trimethyl-6-nitro-

There total 42 articles about Spiro[2H-1-benzopyran-2,2'-[2H]indole], 1',3'-dihydro-1',3',3'-trimethyl-6-nitro- which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 93.0%