Skip to main content

1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran

Also known as: 1',3',3'-Trimethyl-6-nitrospiro[chromene-2,2'-indoline], 1,3,3-Trimethyl-6'-nitrospiro[1H-indole-2(3H),2'-[2H-1]benzopyran], 1',3'-Dihydro-1',3',3'-trimethyl-6-nitrospiro[2H-1-benzopyran-2,2'-[2H]indole], 1,3,3-Trimethylindolino-6'-nitrobenzopyrylospirane, 1,3,3-Trimethyl-6-nitrospiro[1H-indole-2(3H),2'-[2H][1]benzopyran], 1',3',3'-Trimethyl-6-nitroindolene-2-spiro-2-benzopyran

1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran (CAS 1498-88-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C19H18N2O3 and a molecular weight of 322.35800 g/mol. Key properties include a melting point of 32ºC, a boiling point of 476.3ºC at 760mmHg, a density of 1.31g/cm3 and a flash point of 241.9ºC. 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.
1498-88-0
Jingsj CID
J-1390354-3
Molecular Formula
C19H18N2O3
Molecular Weight
322.35800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point32ºC
Boiling Point476.3ºC at 760mmHg
Density1.31g/cm3
Flash Point241.9ºC
Exact Mass322.13200
PSA58.29000
LogP4.71250
Vapor Pressure3.08E-09mmHg at 25°C
Refractive Index1.67

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran?

The CAS number of 1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran is 1498-88-0.

What are the molecular formula and molecular weight of 1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran?

1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran has molecular formula C19H18N2O3 and molecular weight 322.35800 g/mol.

Is 1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran hazardous?

1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran?

For 1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran, Upstream Products: 1,3,3-Trimethyl-2-methyleneindoline, 5-Nitrosalicylaldehyde, 1,2,3,3-Tetramethyl-3H-indolium iodide; Downstream Products: 5-Nitrosalicylaldehyde, 1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,3,3-Trimethylindolino-6'-nitrobenzopyrylospiran (CAS 1498-88-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1390354-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.