1,3,3-Trimethylindolinonaphthospirooxazine

Also known as: 1,3,3-Trimethylspiro[indoline-2,3'-[3H]naphth[2,1-b][1,4]oxazine], 1,3-Dihydro-1,3,3-trimethylspiro[2H-indole-2,3'-[3H]naphth[2,1-b][1,4]oxazine], 1,3,3-Trimethylspiro[indoline-2,3'-naphtho[2,1-b][1,4]oxazine], Photorome I, Variacrol Blue A, spironaphthooxazine, spironaphthoxazine, 1',3',3'-trimethylspiro[benzo[f][1,4]benzoxazine-3,2'-indole], 1,3,3-Trimethyl-1,3-dihydrospiro[indole-2,3'-naphtho[2,1-b][1,4]oxazine]

1,3,3-Trimethylindolinonaphthospirooxazine (CAS 27333-47-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C22H20N2O and a molecular weight of 328.407 g/mol. Key properties include a melting point of 128-130 °C(lit.), a boiling point of 529.1±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 273.8±30.1 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

27333-47-7

Jingsj CID

J-1027330-0

Molecular Formula

C₂₂H₂₀N₂O

Molecular Weight

328.407 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026