1,3,3-Trimethylindolinonaphthospirooxazine
Synonym(s):Photorome I
- CAS NO.：27333-47-7
- Empirical Formula: C22H20N2O
- Molecular Weight: 328.41
- MDL number: MFCD00013318
- EINECS: 404-480-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:21:52
What is 1,3,3-Trimethylindolinonaphthospirooxazine?
The Uses of 1,3,3-Trimethylindolinonaphthospirooxazine
Photorome I is a photochromic dye that can be used as a smart colorant for a variety of applications which include optical switches, printing materials, and ophthalmic lenses.
General Description
1,3-Dihydro-1,3,3-trimethylspiro[2H-indole-2,3′-[3H]naphth[2,1-b][1,4]oxazine] (Photorome I) is an organic photochromic material that is used as a spirooxazine dye for use in molecular electronics. This dye changes to blue on irradiating with UV light.
Properties of 1,3,3-Trimethylindolinonaphthospirooxazine
| Melting point: | 128-130 °C(lit.) |
| Boiling point: | 529.1±50.0 °C(Predicted) |
| Density | 1.19 |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | soluble in Toluene,Benzene |
| pka | 3.26±0.40(Predicted) |
| form | powder to crystal |
| color | White to Orange to Green |
| CAS DataBase Reference | 27333-47-7(CAS DataBase Reference) |
Safety information for 1,3,3-Trimethylindolinonaphthospirooxazine
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1,3,3-Trimethylindolinonaphthospirooxazine
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