1-methylisatin

1-甲基靛红

Also known as: 1-methylindole-2,3-dione, 1-methyl-2,3-indolinedione, N-methylisatin, N-methylindoline-2,3-dione, 1-methyl-1H-indole-2,3-dione, 1-methylindolin-2,3-dione, 1-methyl-2,3-dihydro-1H-indole-2,3-dione, N-methylindol-2,3-dione, OL-57, NSC 42449, 1H-Indole-2,3-dione, 1-methyl-

CAS No.
2058-74-4
Jingsj CID
J-3826-9
Molecular Formula
C9H7NO2
Chinese Name
1-甲基靛红
Molecular Weight
161.157 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point130-133 °C(lit.)
Boiling Point294.3±23.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point137.4±15.0 °C

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 1-methylisatin?

2058-74-4

What are the molecular formula and molecular weight of 1-methylisatin?

C9H7NO2, molecular weight 161.157 g/mol

Is 1-methylisatin hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026