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5-Methoxy-2-methyl-1,3-benzoselenazole

5-甲氧基-2-甲基苯并硒唑

Also known as: 5-Methoxy-2-methylbenzoselenazole, 5-Methoxy-2-methylbenzselenazole, 2-Methyl-5-methoxybenzoselenazole, Benzoselenazole, 5-methoxy-2-methyl-, NSC 366221, 5-Methoxy-2-methyl-1,3-benzoselenazole

5-Methoxy-2-methyl-1,3-benzoselenazole (CAS 2946-17-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H9NOSe and a molecular weight of 226.134 g/mol. It is also known as 5-Methoxy-2-methylbenzoselenazole, 5-Methoxy-2-methylbenzselenazole and 2-Methyl-5-methoxybenzoselenazole. Key properties include a melting point of 22°C(凝固点), a boiling point of 311.3±0.0 °C at 760 mmHg, a density of 1.491 g/mL at 25 °C(lit.) and a flash point of 122.4±19.8 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2946-17-0
Jingsj CID
J-40102-7
Molecular Formula
C9H9NOSe
Chinese Name
5-甲氧基-2-甲基苯并硒唑
Molecular Weight
226.134 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point22°C(凝固点)
Boiling Point311.3±0.0 °C at 760 mmHg
Density1.491 g/mL at 25 °C(lit.)
Flash Point122.4±19.8 °C

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 5-Methoxy-2-methyl-1,3-benzoselenazole?

The CAS number of 5-Methoxy-2-methyl-1,3-benzoselenazole is 2946-17-0.

What are the molecular formula and molecular weight of 5-Methoxy-2-methyl-1,3-benzoselenazole?

5-Methoxy-2-methyl-1,3-benzoselenazole has molecular formula C9H9NOSe and molecular weight 226.134 g/mol.

Is 5-Methoxy-2-methyl-1,3-benzoselenazole hazardous?

5-Methoxy-2-methyl-1,3-benzoselenazole has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "5-Methoxy-2-methyl-1,3-benzoselenazole (CAS 2946-17-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40102-7 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.